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All Tree Fruits Alerts

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Thinning Fruits - Cultural Practices

Tree Fruits    Treasure Valley, Treasure Valley - Idaho, Eastern Idaho, Magic Valley

Posted on: June 21, 2023 by Brad Stokes

2023 Fruit Thinning – June 21, 2023


Cultural Alert

Fruits which are crowded on limbs should be thinned. Apples, pears, Asian pears, apricots, plums, and peaches all respond positively to thinning. Cherries and nut trees are usually not thinned. Thinning fruit will 1) increase fruit size, 2) improve the trees productivity in the year to come, and 3) reduce limb breakage as fruits begin to size. Too many fruits on a tree translates into small fruit that is often of poor quality.

General rules for thinning: 1) the earlier the better, 2) remove smaller fruits and leave the larger ones, 3) remove fruits with disease spots, hail damage, or other defects, 4) aim for even spacing. 

General guidelines by fruit – see links below for additional detail. 

Apples & pears:  Almost always need thinning. Should be thinned to one fruit per spur with a good spacing of one fruit per 6” of branch. Asian pears spaced at one fruit per 6-8” of branch. Be careful not to break off spurs while thinning – spurs produce flowers and fruit for many years if not broken. Recommend to thin apples within 40 days of full bloom and pears within 60 days of full bloom. 

Peaches & nectarines: Should be spaced at one fruit per 6-8” of branch. Fruits that are joined should be removed. Recommend to thin peaches about 70 days past full bloom.

Plums: Should be thinned to have spacing at 6” between fruit along the branch.

Apricots: If tree experiences heavy fruit set thin fruit spaced to 3” along branch. 

Trees will exhibit “June Drop” which is when the tree will naturally drop fruit. Some prefer to wait until this event happens to thin, however there are great advantages to thinning early. More details can be found in the links below.

 

https://extension.wsu.edu/maritimefruit/fruit-thinning-for-high-quality/

http://homeorchard.ucdavis.edu/8047.pdf or attach as PDF from complete reference library

 

 

Other reference:

https://extension.oregonstate.edu/gardening/berries-fruit/fruit-thinning

2020 Western Cherry Fruit Fly - ISDA

Tree Fruits    Treasure Valley

Western Cherry Fruit Fly (Rhagoletis indifferens)

Posted on: May 29, 2020 by Paul Castrovillo, Ph.D.

On May 28 the first 2020 Western Cherry Fruit Fly captured in an Idaho State
Department of Agriculture WCFF trap was reported from Canyon County.
Historically we expect to find WCFF in Gem County traps about a week after
the first one is found in Canyon County.

Online phenology and degree-day models for WCFF predicted first flight on
May 24 in Ontario, May 27 in Caldwell and Emmett, May 28 in Parma and Boise
and May 30 in Nampa.

If treatment for WCFF is not already underway it should begin now.

For more information contact Paul Castrovillo at
paul.castrovillo@isda.idaho.gov or call 208-332-8627.

Pear Blister Mite

Tree Fruits    All Locations

Eriophyes pyri

Posted on: May 9, 2018 by Rich Guggenheim

Pear leaf blister mite, Eriophyes (=Phytoptus) pyri , is an eriophyid mite found on pear, and apple. Young trees can be damaged by severe infestations.
CONTROL:
Treat large infestations in early fall, before leaf drop, when mites are migrating from leaves to buds. Options include carbaryl, horticultural oil, or lime sulfur. Dormant oil applications in spring are also effective. Blister mites cannot be treated in summer.

Peach Leaf Curl

Tree Fruits    All Locations

Peach Leaf Curl

Posted on: May 7, 2018 by Rich Guggenheim

Taphrina deformans

Peach leaf curl is affecting peach leaves now. Proper timing of fungicides, in the fall, can prevent this disease aLime sulfur or Ziram work great for commercial growers. Home grown trees will need something but avoid Monterey Liqui-Cop as it did not work. Ortho MAX Garden Disease Control was a little better than nothing. Bottom line for home growing - replace with a resistant tree after the current ones dies.

» https://pnwhandbooks.org/plantdisease/host-disease/peach-prunus-persica-leaf-curl

» http://ipm.ucanr.edu/PMG/PESTNOTES/pn7426.html

» https://extension.usu.edu/files/publications/factsheet/peach-leafcurl.pdf

» http://extension.oregonstate.edu/gardening/node/924

Peach Tree Borer

Tree Fruits    All Locations

Synanthedon exitiosa

Posted on: May 4, 2018 by Rich Guggenheim

Peach tree borer are in the clear wing moth category. They usually attack prunus trees near the ground. Signs of infestation include gumosis oozing from the trunk near the soil.
Peachtree borer eggs are laid during the summer on the bark at the base of trees. Larvae overwinter in the tree trunk near the soil line. They feed in the crown area and burrow up into the tree

Pear psylla

Tree Fruits    All Locations

Cacopsylla pyricola

Posted on: April 7, 2018 by Rich Guggenheim

Pear psylla is one of the most serious insect pest of pears because of its ability to develop resistance to insecticides and to vector the pathogen that causes pear decline.

Adults hold their transparent wings rooflike over their dark to reddish brown bodies when at rest; they resemble tiny cicadas. A dark spot on the top middle edge of both wings helps to distinguish pear psylla from other psylla. Tiny, elongated yellowish eggs, which are barely visible without a hand lens, are laid on or near fruit spurs starting in late January or early February.

Pesticides applied to pears greatly reduce the effectiveness of natural enemies. Soft pesticide programs that spare natural enemies would reduce the need for chemical control of pear psylla and other pear pests.

White apple leafhopper

Tree Fruits    All Locations

Homoptera: Cicadellidae

Posted on: April 7, 2018 by Rich Guggenheim

The overwintering eggs begin hatching at about the tight cluster stage of apple development, with peak hatch during or after bloom. There are five nymphal instars. It takes about 27 days for nymphs of the first generation to develop and 23 days for second generation nymphs.

Fruit Orchard Leaf Rollers.

Tree Fruits    All Locations

Fruit Tree Leaf Rollers

Posted on: April 7, 2018 by Rich Guggenheim

Various types of leaf rollers may cause damage to fruit trees. Begin using traps to monitor and establish bio-fix and management timing.

Peach Twig Borer -Anarsia lineatella

Tree Fruits    All Locations

Peach Twig Borer

Posted on: April 6, 2018 by Rich Guggenheim

Peach twig borer can damage stone fruits by feeding in shoots and causing shoot strikes, or by feeding directly on the fruit. Shoot damage is most severe on the vigorous growth of young, developing trees because feeding kills the terminal growth and can result in undesirable lateral branching. As fruit matures, it becomes highly susceptible to attack; damage is most likely to occur from color break to harvest. Twig borer larvae generally enter fruit at the stem end or along the suture and usually feed just under the skin.
Adults from the overwintered generation usually begin emerging in April or early May. First generation larvae usually develop in twigs during May and June and give rise to the next flight of moths in late June or early July. Larvae from this and subsequent generations may attack either twigs or fruit depending on fruit maturity and population density.

Coryneum Blight

Tree Fruits    All Locations

Coryneum blight/shothole disease

Posted on: April 6, 2018 by Rich Guggenheim

Environmental conditions are favorable for the development of Coyneum blight on prunus spp. the fungal pathogen, Wilsonmyces carpophhilus attacks peach, apricot, plum, and cherry. Early season infections are characterized by the presence of a reddish-purple halo surrounding a light tan, scab-like center spot, which is the dead fruit skin killed by the fungus. These are similar to damage caused by San Jose Scale, and great care is required to avoid confusion. Depending on weather factors, the spots may remain tiny or enlarge to 1/4 inch in diameter. In severe cases, lesions coalesce and cause skin cracking. Severe, early season infections also can have gummy ooze on the fruit surface.
Management includes cleaning and removal of infected plant material. Fungicides can be used, but are preventalitive and not curative and may be applied at schuck fall. Commercial growers may need to apply at regular intervals during wet weather.

Time to spray for Peach Leaf Curl Fungus!

Tree Fruits    Treasure Valley

Peach Leaf Curl

Posted on: October 17, 2017 by Dian Roberson

We had many clients visit our Master Gardener Plant Clinics with peach leaf curl, a fungal infection. As leaf drop occurs in the fall, any open sights become infection points that will carry over to the next growing season. By the time you spray your delayed dormant copper in the spring, these infected sights will have already effected the newly developing leaves.

Now, during leaf drop is the time to apply fall coppers. The first application should be at 30% leaf drop and a second at 70% leaf drop. It is also advisable to use a good sticker product to adhere the copper to the open wounds. The recommended copper use rates will vary based on product choice.

You will also need to repeat the copper fungicide in the spring.

Peach Twig Borer

Tree Fruits    Treasure Valley

Peach Twig Borer

Posted on: June 15, 2016 by Dian Roberson

It is time to spray for Peach twig borer. This is a major pest of apricots, peaches, plums, and prunes. There are no known hosts outside the orchard. The larvae injure fruit and trees. Feeding on the buds and twigs occurs early in the season, after which the larva bores into the shoots, causing a characteristic "flagging" or wilting of the new growth. Later generations of larvae feed on shoots or fruit, disfiguring the fruit. Flagging of twigs indicates an infestation.

Fire Blight on Apple and Pear Trees

Tree Fruits    All Locations

Fire Blight

Posted on: May 18, 2016 by Dian Roberson

We are seeing a lot of fire blight on pears come into the Canyon County Extension Office! Fire blight is a bacterial disease that affects certain species in the rose family (Rosaceae). It is especially destructive to apples (Malus spp.), pears (Pyrus spp.), and crabapples (Malus spp.). It likes warm wet springs like the one we had this year. There is no cure for fire blight. Prevention is the best solution. Purchase resistant varieties, minimize rapid growth and succulent tissue, prune out blighted twigs and cankered branches. Check out the publications and websites below for more information.

May 9th Tree Fruit Pest Advisory

Tree Fruits    All Locations

Codling Moth, Aphids, Fire Blight, Thinning

Posted on: May 9, 2016 by Tony McCammon

Codling moth is in early hatch for most of Southwestern Idaho. Southern and Eastern Idaho are not far behind. open the attached pest advisory for more information on Codling moth management.

Prepare to treat your Peach and Nectarine Trees this fall

Tree Fruits    All Locations

Various Peach/Nectarine Tree Fungal Diseases

Posted on: October 5, 2015 by Ariel Agenbroad

If you had confirmed cases of Shothole Disease, Peach Leaf Curl or other fungal diseases in your Peaches, Apricots and Nectarines, fall spraying can be an effective part of your protection and prevention strategy.

At about 50% leaf fall, spray an approved Copper Based Fungicide, Bordeaux Mixture or Lime Sulfur at the rate listed on the product.

For more information and specific products to use, visit the links below.

Spotted Wing Drosophila

Tree Fruits    Treasure Valley - Idaho

Spotted Wing Drosophila

Posted on: June 15, 2015 by Jim Barbour

We are getting a few spotted wing drosophila from our traps.

Spotted wing drosophila has been showing up in very small numbers from traps in Payette, Canyon and Owyhee County orchards: only one or two flies per trap per week as of June 9. Populations can grow quickly, so frequent monitoring of susceptible crops is advised. See the attached information for biology and management information. Also, check out the helpful link from the PNW Emerging Pests page.


Spotted Wing Drosophila

Tree Fruits    Treasure Valley - Idaho

Spotted Wing Drosophila

Posted on: June 15, 2015 by Jim Barbour

We are getting a few spotted wing drosophila from our traps.

Spotted wing drosophila has been showing up in very small numbers from traps in Payette, Canyon and Owyhee County orchards: only one or two flies per trap per week as of June 9. Populations can grow quickly, so frequent monitoring of susceptible crops is advised. See the attached information for biology and management information. Also, check out the helpful link from the PNW Emerging Pests page.


Western Cherry Fruit Fly Treatment Forecast

Tree Fruits    Treasure Valley

Western Cherry Fruit Fly

Posted on: May 21, 2015 by Paul Castrovillo

According to the degree-day model from the Online Phenology and Degree-Day Models published at the OSU Integrated Plant Protection Center Website the forecasted dates for beginning treatment against Western Cherry Fruit Fly are: Ontario (May 25), Caldwell (May 29), Boise and Parma (June 4), Nampa (June 5) and Emmett (June 9). These are based on recommended first treatment at 1060 degree-days per "Orchard Pest Management" as published by the "Good Fruit Grower", Yakima 1993.

The first Idaho Western Cherry Fruit Fly for 2015 was recently found in a trap in Homedale on May 19.

Coddling Moth Timing

Tree Fruits    All Locations

Coddling Moth

Posted on: May 19, 2015 by Tony McCammon

Wilbur Ellis Spray Scheduling for this week:
Fruitland/Payette May 24th 350 DD
Parma/ Roswell May 23rd 350 DD
SunnySlope May 23rd 350 DD


Magic Valley May 25 350 DD
Pocatello May 30 350 DD
Rexburg June15 350 DD

Fruit Pest Advisory Issue 2

Tree Fruits    All Locations

Codling Moth, Aphids, Fireblight, Thinning recommendations

Posted on: April 23, 2015 by Tony McCammon

This is the second Pest advisory, Things are not slowing down, if you have a crop to protect get prepared.

Fruit Pest Advisory Issue 1

Tree Fruits    All Locations

Posted on: April 7, 2015 by Tony McCammon

Here is the first Pest advisory for fruit crops in Idaho for this year. More to come.

First Brown Marmorated Stink Bug found in Ada County

Tree Fruits    All Locations

Brown Marmorated Stink Bug

Posted on: October 30, 2014 by Paul Castrovillo

On October 20, 2014 the first capture of a brown marmorated stink bug (Halyomorpha halys) in Ada County was confirmed. An alert homeowner in the Boise North End found the living insect in his garage and brought it to ISDA for verification of his identification. A follow-up inspection of the property failed to turn up any more specimens, which at this time would be attempting to locate suitable protected overwintering sites. In the spring, when stink bug activity would be expected to resume another inspection will be made and brown marmorated stink bug pheromone traps will be set up in the neighborhood to determine whether or not a population has established. Brown marmorated stink bug is an invasive pest from Asia. In the US it was first collected in Pennsylvania during the late 1990’s and since then has been detected in 41 states, with large infestations in the East and even some outbreak areas in Oregon, Washington and Utah. It feeds on a number of fruit and vegetable crops and can be a nuisance pest when congregating in human dwellings. In 2012 several specimens were transported from Maryland to Nampa, with reports of a few escaping, however no evidence of an established population has been uncovered in that area through subsequent inspections or trapping. With questions please contact Paul.Castrovillo@agri.idaho.gov or call 208-332-8627.

Fruit Pest Advisory

Tree Fruits    All Locations

PDF file error correction

Posted on: June 18, 2014 by Tony McCammon

My apologies if your PDF document did not open. Here is the correction.

Fruit Tree Advisory

Tree Fruits    All Locations

WFCC, Codling Moth, Leafhopper, Mites, and Shothole disease

Posted on: June 18, 2014 by Tony McCammon

Attached find an advisory covering current spray recommendations and better orchard management considerations.

Fruit Tree Advisory

Tree Fruits    All Locations

Codling Moth, Thinning, PTB

Posted on: May 28, 2014 by Tony McCammon

Here is the latest advisory for fruit growers. This issue covers thinning, fertilization, PTB, codling moth, and shot hole disease.

GDD Forecast for Western Cherry Fruit Fly

Tree Fruits    Treasure Valley

Western Cherry Fruit Fly

Posted on: May 23, 2014 by Paul Castrovillo

According to the degree-day model from the Online Phenology and Degree-day Models published at the OSU Integrated Plant Protection Center Website,the forecasted dates for the Western Cherry Fruit Fly adult emergence is nearing. The attached pdf has predicted emergence dates for 6 areas in the Treasure Valley and recommended spray dates.

Fruit Pest Advisory Issue 2

Tree Fruits    All Locations

Codling Moth, Fireblight, Aphid, Blister Mite

Posted on: May 13, 2014 by Tony McCammon

Open the document to view the second issue of the Pest advisory for Idaho. Codling Moth Spray Timing, IPM for Codling moth, Fireblight awareness. Get off on the right foot in your fruit management.

Fruit Pest Advisory

Tree Fruits    All Locations

Codling Moth, Fireblight,

Posted on: April 29, 2014 by Tony McCammon

In this newsletter get ready for Codling Moth protection as we enter the first stage of Control measures. Increase your scouting for Fire blight and new aphid colonies. And get an answer to how safe is our food.
Open the pdf file to view the advisory.

ew Tart Cherry and Table Grape Insurance Coverage and Fruit

Tree Fruits    All Locations

Insurance Coverage

Posted on: October 23, 2013 by Tony McCammon

New Tart Cherry and Table Grape Insurance Coverage and Fruit Sales Closing Dates

SPOKANE, Wash., Oct. 23, 2013 — USDA’s Risk Management Agency (RMA) today announced the coverage availability for Tart Cherry Actual Revenue History and Table Grape Multi-Peril Crop Insurance (MPCI) programs for the 2014 crop year.

Tart Cherry (for processing) Actual Revenue History (ARH) Insurance is available in Adams, Franklin, and Grant counties in Washington.

Table Grape Crop Insurance is available in Canyon County, Idaho.

Fruit producers are reminded of the upcoming sales closing date Wednesday, November 20, for apple, blueberry, sweet and tart cherry actual revenue history, cranberry, grape, pear, table grape, and stonefruit crops (apricots, nectarines, freestone peaches, and plums/prunes).

Current policyholders and uninsured growers must make all of their decisions on crop insurance coverage before the sales closing date. If there is no coverage in a county for a specific crop under the traditional MPCI program; producers may ask a crop insurance agent whether they would be eligible for coverage under a written agreement.

Producers are encouraged to visit their crop insurance agent soon to learn specific details for the 2014 crop year. Federal crop insurance program policies are sold and delivered solely through private crop insurance companies and agents. A list of crop insurance agents is available at all USDA service centers throughout the United States or on the RMA web site at www3.rma.usda.gov/tools/agents.

Composting Field Day September 10

Tree Fruits    All Locations

Posted on: August 19, 2013 by Tony McCammon

This is a FREE workshop! Join us at Rocky Fence Vineyard at 3770 Fuller Rd., Emmett, ID 83617 for a field day demonstrating three different composting techniques applicable to producers of different sizes, how adding carbon sources affect dairy compost quality, how to reduce air emissions from grape, wine, and dairy production, and how to implement composting on your farm.
Topics to be covered during the field day
•Overview of mechanically turned, forced aerated, and passive aerated windrows composting systems.
•Challenges for handling vine prunings and other carbon rich materials and nitrogen rich manures.
•What to do if the compost process doesn’t work as intended. Can I still use it?
•Preliminary results from a University of Idaho Extension year-long study on composting grape vine prunings and dairy manure.
•Field day features work supported by an Idaho Natural Resources Conservation Service, U.S. Department of Agriculture, CIG grant

Parma Idaho Fruit Field Day 2013

Tree Fruits    All Locations

Posted on: August 19, 2013 by Tony McCammon

The University of Idaho Annual Fruit Field Day will be held on Friday September 6, 2013 8:30 am to 1:00 pm at the U of I Parma Research and Extension Center Pomology Orchard and Vineyard site, about 4 miles north of Parma, Idaho. The registration will start at 8:30 am and program will start at 9:00 am (sharp). Several cultivars of new table grapes, peaches, nectarines, apples, plums, quince, Asian pears, and other alternative fruits will be presented during the tour. Participants can taste many of these fruits. Highlights

spotted wing drosophilla

Tree Fruits    Treasure Valley

spotted wing drosophilla

Posted on: June 28, 2013 by Jerry Neufeld

The following information about Spotted Wing Drosophila was provided by Dr. Jim Barbour, IPM Specialist at the University of Idaho SW Idaho Research and Extension Center in Parma, Idaho.

Spotted Wing Drosophila Found in Southwest Idaho

Spotted wing drosophila (SWD), Drosophila suzukii, is an invasive insect pest of economically valuable small fruit and tree fruit crops. The spotted wing drosophila was first identified in the Western United States in late 2008. Since July 2009, it has been found in Florida, Oregon and Washington and now appears to be established in many Pacific Northwest fruit crops. Spotted wing drosophila was confirmed in samples from Nez Pierce, Latah and Canyon Cos., ID in August of 2012. In June of 2013, two adult spotted wing drosophila, a male and a female, were found in in an orchard south of Fruitland, Idaho being monitored for spotted wing drosophila by crop consultant Jennifer Riebe. Spotted wing drosophila is a temperate vinegar or pomace fly native to Southeast Asia preferring temperatures of 20-30 °C (68-86 °F). The presence of the flies in samples this early in the season indicates the flies may have overwintered in southwest Idaho.

Spotted wing drosophila differs from the common drosophila species such as Drosophila melanogaster that occur in Pacific Northwest fruit crops in that it can attack undamaged fruit still on the tree; the common species will only attack damaged, overripe, or dropped fruit. Spotted wing drosophila have the potential to be a very serious pest of tree and small fruits. Commercial fruit producers and home gardeners should monitor their crops for presence of SWD. Please see the attached information on identification, biology, monitoring and management of spotted wing drosophila. Because of the relatively recent nature of this introduction, the provided information is subject to change as we learn more about the biology of this pest.

PLEASE REPORT SUSPECT SWD INFESTATIONS:
Preserve specimens in alcohol (rubbing alcohol is fine) and send to:
Idaho State Department of Agriculture, Plant Industries Division, P.O. Box 790 Boise, ID 83701. Please include your name, address and phone number or you may call (208) 332-8620 to report the possible find.

Or:

Jim Barbour, University of Idaho, Parma Research and Extension Center, 29603 U of I Lane, Parma, ID 83660. Or call (208) 722-6701 to report the find or for more information on this insect.

Samples also may be submitted to your County Educators at your local University of Idaho Cooperative Extension office.

Other Resources:
Identification and Management resources:

Identification and biology: http://spottedwing.org/

Identification card SWD males: http://www.ipm.ucdavis.edu/PDF/PMG/SWD_IDCard.pdf

Identification card SWD females: http://www.ipm.ucdavis.edu/PDF/PMG/SWD-ID-Dsuzukii.pdf

Identification and management including trapping information:

http://jenny.tfrec.wsu.edu/opm/displaySpecies.php?pn=165

http://ipm.wsu.edu/small/pdf/Concord_Grape_SWD_Bulletin_v1_02.pdf

http://extension.usu.edu/files/publications/publication/ENT-140-10.pdf

Western Cherry Fruit Fly

Tree Fruits    Treasure Valley

Western Cherry Fruit Fly

Posted on: May 29, 2013 by Jerry Neufeld

Click on the pdf below for information about emergence dates for Western Cherry Fruit Fly at various Treasure Valley locations. Jodie Ellis from the Idaho State Department of Agriculture provided this information.

Western Cherry Fruit Fly

Tree Fruits    Treasure Valley - Idaho

Western Cherry Fruit Fly

Posted on: May 23, 2013 by Jerry Neufeld

The following information was submitted to the PestAlert Network by Jodie Ellis, Program Manager with ISDA.

"On Thursday, May 23rd, seven adult Western cherry fruit flies were found on an ISDA trap near Caldwell (Sunnyslope Road) in Canyon County. If growers observe that their cherries are yellowing, they may wish to start control measures for this pest before oviposition in the fruit begins. Pesticides commonly used for Western cherry fruit fly are carbaryl, malathion, spinosad, Delegate, Imidan, or Asan. Always use pesticides according to label recommendations."

Jodie Ellis
Program Manager
Idaho State Department of Agriculture
Jodie.Ellis@agri.idaho.gov
208.332.8627 (office)
765.543.4533 (cell)

Pest Advisory

Tree Fruits    All Locations

Codling Moth, Fireblight, Fruitworm, and aphids

Posted on: May 15, 2013 by Tony McCammon

Click on the link to view the advisory newsletter. In this issue, Timing for codling moth has started in all of Southern Idaho. Other pests to watch for are aphids, mites, thrips, and fire blight.

Scab and Fireblight

Tree Fruits    All Locations

Apple Scab and Fire Blight coming soon!

Posted on: May 6, 2013 by Tony McCammon

Apple scab infections also can occur when leaf wetness extends for as little as six hours in temperatures around 70 degrees. Southern Idaho has not had large outbreaks of scab over the past several years due to the reduction of overhead sprinkler use. If you have had a bad scab year in the past two or three years you might consider treating your trees this week and changing your irrigation system in the future.

Fire Blight infections occur when leaf wetness or high humidity accompany a temperature around 65 degrees or higher for a 24 hour period. The forecast of thunderstorms and moderate temperatures this coming weekend could prove dangerous for your trees. Forecasts rate the likelihood of infection as EXTREMELY HIGH. Have an antibiotic such as serenade or agri-mycin on hand. Homeowners can use blight ban or Mico-shield. If you do not choose to control fire blight at this time monitor very closely for new infections and prune them out. They usually show up within 7 to 14 days.

In both cases young trees are more susceptible than older trees. And young flowers are more susceptible than older flowers.

Fruit Advisory Newsletter - Issue 2

Tree Fruits    All Locations

Posted on: April 30, 2013 by Tony McCammon

In this issue, I have updated the Degree days for South Western, Southern, and added Eastern Idaho. Between 5-8 percent of adults moths have emerged. Fire Blight infection is likely this week, Cherry mildew is a concern, and leafrollers are in their 4th instar. Shothole disease is also making its rounds again.

Please email me if you have any articles you would like researched or ideas to make this newsletter better and more usable. tonym@uidaho.edu www.hortmagic.org

SARE project research survey

Tree Fruits    All Locations

Posted on: September 26, 2012 by Tony McCammon

Corey Hanlon, a graduate student at the University of Florida. Is trying to conduct some research on how farmers perceive soil testing, through the use of a 10-minute, anonymous online survey. The sample of respondents that he is searching for includes any farmers that produce horticultural goods, including fruits, vegetables, nuts, nursery stock, sod, trees and more. If you are willing to help me reach my goal of 200 respondents, the survey can be accessed through the following link: http://www.surveymonkey.com/s/WYWF3YD Thank you for your help!

Traps working in Gem County

Tree Fruits    Treasure Valley - Idaho

Wester Cherry Fruit Fly

Posted on: June 4, 2012 by Tony McCammon

ISDA traps confirmed that western cherry fruit fly have emerged in Gem county. As of last Friday they caught 12 flies. If your Cherries are turning Yellow control this pest before they lay their eggs in the fruit. Use Carbaryl, malathion, Spinosad, delegate, Imidan, or Asana according to label recommendations.

Western Cherry Fruit Fly

Tree Fruits    Treasure Valley - Idaho

WCFF - Cherry Maggot

Posted on: May 21, 2012 by Tony McCammon

Jodie Ellis ISDA entomologist put together the upcoming emergence chart for Western Cherry Fruit fly. See the attached Memo.

Fruit Pest Alert

Tree Fruits    Treasure Valley - Idaho

Peach Leaf Curl, Fire Blight, and other Fruit Pests

Posted on: May 21, 2012 by Tony McCammon

Attached Find the third Advisory for homeowner and Fruit grower Fruit Pests.

Tree Fruit Advisory

Tree Fruits    Treasure Valley - Idaho

Fire blight, Codling moth, leafrollers

Posted on: April 30, 2012 by Tony McCammon

Continue monitoring for fire blight infections if you did not put on a protective spray during our warm, wet weather we experienced the last two weeks.

Start planning the implementation of a control schedule for your fruit trees. Sprays need to be applied soon.

See the attached advisory for more information.

Fire Blight Extreme Alert

Tree Fruits    Treasure Valley - Idaho

Fire Blight

Posted on: April 24, 2012 by Tony McCammon

CougarBlight Models are predicting infection of Fire blight this week for those areas that receive precipitation. Infection is possible when trees have open flowers, had late season pruning, or open wounds and injured branches. For infection to occur at least two hours of moisture during 70 degree temperatures are necessary. Monitor moisture in your apples and pears. If the wetting occurs and flowers are open, apply an antibiotic such as serenade or agri-mycin. Homeowners can use blight ban or Mico-shield. If you do not choose to control fire blight at this time monitor very closely for new infections and prune them out. They usually show up within 7 to 14 days. More information to follow in Monday’s Advisory.

Apple scab infections occur when leaf wetness extends for as little as six hours in temperatures around 70 degrees. The treasure valley has not had large outbreaks of scab over the past several years due to the reduction of overhead sprinkler use. If you have had a bad scab year in the past two or three years you might consider treating your trees this coming weekend and changing your irrigation system in the future.

Pest Advisory and Temperature Update

Tree Fruits    Treasure Valley - Idaho

Codling Moth and Peach Twig Borer Models

Posted on: April 16, 2012 by Tony McCammon

Here is the first alert for the year. Model predictions are ranging between a week to two weeks ahead of last year calculations. Get ready for the season of protecting your fruit! It is upon us! Open the attached file to view the advisory.

U-Idaho Fruit Conference February 7-8

Tree Fruits    Treasure Valley - Idaho

Posted on: January 30, 2012 by Tony McCammon

There is still seats left. Call Today to reserve your spot for this educational opportunity. I have organized a fantastic lineup of speakers for regional fruit growers. Speakers from Oregon, Utah, and Idaho are combining research and expertise to present on multiple topics that will help you make better decisions in your orchards.

8- Idaho and 7- Oregon Pesticide recertification Credits are available. Contact the Washington County Extension Office for more details at 208-414-0415.

Tuesday and Wednesday, February 7-8, 8-4 pm at the Vendome Center, Weiser, ID.

U-Idaho Fruit Conference February 7-8

Tree Fruits    Treasure Valley - Idaho

Posted on: January 23, 2012 by Tony McCammon

Do you need Pesticide Certification Credits? Plan on joining the fruit industry for a pest management conference on February 7-8 in Weiser, Idaho. 8 Idaho and 7 Oregon Credits are offered. Open the attachments for registration details. Space is limited.

U-Idaho Fruit School

Tree Fruits    Treasure Valley - Idaho

Posted on: January 13, 2012 by Tony McCammon

Early bird registration ends today. Please either drop your registration off or have it postmarked today and in the mail. The registration Form is attached as well as the agenda. Your consideration is appreciated!

I have organized a fantastic lineup of speakers for regional fruit growers. Speakers from Oregon, Utah, and Idaho are combining research and expertise to present on multiple topics that will help you make better decisions in your orchards.

Pesticide credits available. Contact the Washington County Extension Office for more details at 208-414-0415.

Tuesday and Wednesday, February 7-8, 8-4 pm at the Vendome Center, Weiser, ID.

U-Idaho Fruit Conference

Tree Fruits    Treasure Valley - Idaho

Posted on: January 6, 2012 by Tony McCammon

Announcement January 6, 2012 Now open for Registration
The University of Idaho Extension presents U-Idaho Fruit Conference: Pest Management

Weiser. The Washington County Extension office has organized a fantastic lineup of speakers for regional fruit growers. Speakers from Oregon, Utah, and Idaho are combining research and expertise to present on multiple topics that will help you make better decisions in your orchards. Pesticide credits available. Contact the Washington County Extension Office for more details at 208-414-0415. See attachment for Registration details. Register ASAP to secure your spot.

Tuesday and Wednesday, February7-8, 8-4 pm at the Vendome Centre, Weiser, ID.

Please pass this information on to your departments and associates.

Thanks,

Tony McCammon

Crop Insurance Deadlines

Tree Fruits    Treasure Valley - Idaho

Posted on: October 31, 2011 by Tony McCammon

USDA Invests in Crop Insurance Education Awarding
$651,954 throughout the Pacific Northwest

SPOKANE, Wash., October 28, 2011 - Agriculture Secretary Tom Vilsack announced today that the U.S. Department of Agriculture's (USDA) Risk Management Agency (RMA) will support crop insurance education and outreach in 47 states to ensure that small and underserved producers get the information they need to effectively manage their risk and remain productive. Awards totaling approximately $13.6 million from two RMA programs—Targeted States and the Education and Outreach programs—will support thousands of American farmers, ranchers and producers.

Of that total, $651,954 in partnership agreement awards will support crop insurance education and outreach in the Pacific Norwest Region serviced by RMA’s Spokane Regional Office. “The partnerships will provide farmers and ranchers access to a complete set of conferences, targeted instruction, strategies, and networking opportunities at a local level.” Dave Paul, Director of RMA’s Spokane Regional Office stated, "We are very excited about the diversity of these partnership agreements and believe, through these programs, many farmers and ranchers will be better equipped to address the many risk management related challenges faced on their farms and ranches.”

RMA accepted proposals from public and private entities, including colleges and universities; Federal, State, and local agencies; non-profit and for-profit organizations; and others. All partnership agreements were competitive and awarded based on merit.

The following awardees represent approved projects in the RMA Spokane Regional Office area only (representing Alaska, Idaho, Oregon, and Washington).

Northwest Center for Alternatives to Pesticides – “AGR-Lite and Farm Products Branding Training for Organic Specialty Crop Producers in Idaho” to ensure an effective program of agricultural risk management education and information through small sessions will be established in the State of Idaho that will meet the needs of its producers.

Oregon Cattlemen's Association – “Oregon Risk Management Outreach on Livestock Risk Protection Ins. and Ranch, Pasture, Range, Financial and Legal Management for Traditionally Undeserved Livestock Producers” to provide risk management outreach and education for livestock producers in Oregon who are traditionally underserved

Washington State University – “Breaking New Ground -- Using Agri-tourism as a Risk Management Strategy in the Spokane Region” to assist priority producers in the region to develop new agri-tourism enterprises that can capture additional income for producers, and help stimulate local economies. A major part of this project will be working with producers so they understand, and can mitigate both traditional risks of farming, as well as some unique new risks associated with agri-tourism.

Oregon State University – “Expanding Niche Livestock Ranching in Oregon” to strengthen risk management programming for underserved livestock producers throughout Oregon

RightRisk, LLC – “Risk Management Education for RMA’s Spokane Region: RME on Insurance, Succession Planning, Marketing, and Financial Planning to Women/New/ Hispanic/Senior/Specialty Crop/Other Producers in Idaho and Oregon” to promote sustained profitability for agricultural producers in Idaho and Oregon through effective risk management decision making.

Washington State University – “Enhancing Farming Practices and Marketing Skills as Risk Management Tools for Hispanic, Asian American, and Beginning Farmers in Washington State” to expand the successful implementation of “Cultivating Success” farm production and business management curricula with Hmong and Latino farmers in Washington.

Washington State University – “Education and Outreach Project for Producers, Ranchers, Limited Resource Producers, Ranchers, New and Beginning Farmers in Northeastern Washington, RMA Spokane District” to provide multiple learning and networking opportunities in aspects of small agriculture risk management.

Board of Regents of the University of Wisconsin System – “Delivery of Educational Materials to Increase LGM-Dairy Utilization by Dairy Farm Operators in General and Limited Resource Operators in Particular in Washington State” to develop and subsequently deliver an integrated education program composed of computer-based LGM-Dairy training workshops

Rural Community Development Resources – “Risk Planning Education for Socially Disadvantaged Farmers Sustainability in Washington State” to provide outreach and create awareness of risk management issues for SDA producers, provide individual risk planning and provide outreach to RMA regional offices in regard to the new and beginning farmers and the Center’s role within Washington State.

Institute for Washington’s Future – “Production, Financial, and Human Risk Management Outreach and Education to Hispanic Farmers in Washington State” to develop and conduct a promotional program crop insurance and other risk management tools in Spanish.

The Risk Management Education and Outreach programs are designed to help ensure that farmers and ranchers effectively manage their risk through difficult periods, helping to maintain America's robust food supply and the survival of small, limited resource, socially disadvantaged and other traditionally under-served farmers. RMA administers these partnership projects as well as the Federal crop insurance program, with funding and authority from the Federal Crop Insurance Act.

RMA helps producers manage their business risks through effective, market-based risk solutions. RMA's mission is to promote, support, and regulate sound risk management solutions to preserve and strengthen the economic stability of America's agricultural producers. Federal crop insurance provides support to American producers as part of the "farm safety net." A strong farm safety net is important to the vitality of American agriculture. Complete listings of the agreements can be found on the RMA Web site at: http://www.rma.usda.gov/aboutrma/agreements/.

USDA is an equal opportunity provider, employer and lender. To file a complaint of discrimination, write: USDA, Director, Office of Civil Rights, 1400 Independence Avenue, SW, Washington, DC 20250-9410 or call (800) 795-3272(voice), or (202) 720-6382 (TDD).

Annual Fruit Field Day

Tree Fruits    Treasure Valley - Idaho

Posted on: August 31, 2011 by Tony McCammon

The University of Idaho Annual Fruit Field Day will be held on Tuesday, September 20, 2011 8:30 am to 1:00 pm at the U of I Parma Research and Extension Center Pomology Orchard and Vineyard site, about 4 miles north of Parma, Idaho.

Soil Fumigation Training

Tree Fruits    Treasure Valley - Idaho

Posted on: August 15, 2011 by Tony McCammon

The Idaho State Department of Agriculture is offering Soil Fumigation Training August 15-17 in different locations throughout Idaho. See the attachment for contact information and scheduled classes.

Parma Fruit Field Day

Tree Fruits    Treasure Valley - Idaho

Posted on: August 8, 2011 by Tony McCammon

The University of Idaho Parma Fruit Field Day will be Tuesday, September 20, 2011 8:30 am to 1:00 pm at the UI Parma Research and Extension Center Pomology Orchard and Vineyard site, about 4 miles north of Parma, Idaho.

Codling moth damage

Tree Fruits    Treasure Valley - Idaho

Codling Moth

Posted on: July 16, 2011 by Tony McCammon

codling moth damage will be seen now if precautions were not taken during the first generation.

Pest Advisory 6

Tree Fruits    All Locations

Peach Twig Borer

Posted on: June 28, 2011 by Tony McCammon

Here is the final issue of the Pest Advisory for 2011. Hopefully you are on the right path to success. Good luck with your harvest and I hope it is bountiful. In this issue I covered the key pests for July and August. Good luck,

Western Cherry Fruit Fly

Tree Fruits    Treasure Valley - Idaho

Flys Caught

Posted on: June 17, 2011 by Tony McCammon

The ISDA confirmed trap catches of the Western Cherry Fruit Fly in Gem and Canyon Counties on Thursday. Temperatures indicate they will be mature enough to lay eggs this weekend. Cherries become susceptible to egg laying adults when skins on the cherries soften or when cherries turn a straw yellow color.

Products containing spinosad, Acetamiprid, carbaryl, or Kaolin clay are recommended for homeowners.

Acetemiprid, carbaryl, chlorpyrifos
diazinon, dimethoate, esfenvalerate, malathion, Phosmet, spinetoram, and spinosad all have registered products for commercial use.

Tree Fruit Pest Advisory

Tree Fruits    Treasure Valley - Idaho

Codling moth, Cherry Fruit Fly, and tree borers

Posted on: June 13, 2011 by Tony McCammon

Here is the fifth issue of the Pest Advisory containing information on:

Codling Moth
Western Cherry Fruit fly
Gummosis
Thinning recommendations
and other related pests.

Open the PDF to view the advisory.

Western Cherry Fruit Fly

Tree Fruits    Treasure Valley - Idaho

Western Cherry Fruit Fly

Posted on: June 7, 2011 by Jerry Neufeld

Click on the pdf below for information about the forecasted emergence and spray dates for Western Cherry Fruit Fly. This information is being provided by Mike Cooper from the Idaho State Department of Agriculture.

Tree Fruit Pest Advisory

Tree Fruits    Treasure Valley - Idaho

Advisory Newsletter Attached

Posted on: May 27, 2011 by Tony McCammon

Things have remained cool, but warm weather is coming up. Here are recommendation for what you should do this weekend and through the next couple weeks to be prepared for key pests in your commercial and back yard fruit trees.

In this issue:
Good Year for Virus applications and why?
Codling Moth spray timing
Trapping and scouting
Apple Powdery Mildew
Peachtwig Borer
Western Cherry Fruit Fly.


Pest Advisory Issue 3

Tree Fruits    Treasure Valley - Idaho

Codling Moth, Leafroller, ect

Posted on: May 16, 2011 by Tony McCammon

The warm weather has changed things around significantly Fruit pests are on the move. In this attached file you will find updates on:
Codling Moth
Leafroller
Fire Blight
San Jose Scale
If you have any questions please contact me. Also if you would like a topic researched and added to the advisory please email me.

Scab and Blight

Tree Fruits    Treasure Valley - Idaho

Apple Diseases

Posted on: May 9, 2011 by Tony McCammon

Apple scab infections occur when leaf wetness extends for as little as six hours in temperatures around 70 degrees. The treasure valley has not had large outbreaks of scab over the past several years due to the reduction of overhead sprinkler use. If you have had a bad scab year in the past two or three years you might consider treating your trees this coming weekend and changing your irrigation system in the future.

Fire Blight infections occur when leaf wetness or high humidity accompany a temperature around 65 degrees or higher for a 24 hour period. The forecast of thunderstorms and moderate temperatures this coming weekend could prove dangerous for your trees. I will keep you posted. Have an antibiotic such as serenade or agri-mycin on hand. Homeowners can use blight ban or Mico-shield.

In both cases young trees are more susceptible than older trees. And young flowers are more susceptible than older flowers.

Fire Blight Next 24 hours

Tree Fruits    Treasure Valley - Idaho

Fire Blight

Posted on: May 6, 2011 by Tony McCammon

If you had Fire blight in the past year in your orchard and you have blooms open on your apples or pears. Then you should watch very carefully for leaf wetness and temperatures above 65 degrees in the next 24 hours. If you are more prone to infection then it is recommended that you spray your anti bacterial sprays now. If you are less prone you should keep an eye on the tips of your trees 10 to 12 days from now. That is when the symptoms will begin to make themselves manifest if indeed they were affected in this period.

Good luck!

Nut Growers Conference

Tree Fruits    Treasure Valley - Idaho

Posted on: May 6, 2011 by Tony McCammon

The Northern Nut Growers Association is a national organization of amateur and
commercial nut growers, researchers, breeders, and foresters. The NNGA has decided to
hold their 2011 annual meeting in Logan on the USU campus, with USU Extension as a
conference co-sponsor.

This conference should be very educational for growers, hobbyists and master gardeners,
and it is a rare opportunity to have the meeting held in our back yards.

The conference is scheduled for July 17-22. More information can be found at their
conference website http://nngaconference.usu.edu/program.cfm.

UI Tree Fruit Pest Advisory

Tree Fruits    Treasure Valley - Idaho

Fruit trees

Posted on: May 2, 2011 by Tony McCammon

The Tree Fruit Pest Advisory Issue 2 Dated May 2
Topics include:
Organic Peach Twig Borer
Degree Day Countdown
Frost Damage
Cold Weather Pollination
Wilbur-Ellis Company Report

If you have a topic you would like written about in this advisory please email tonym@uidaho.edu. Thanks,

Fruit Pest Advisory Newsletter

Tree Fruits    Treasure Valley - Idaho

Posted on: March 29, 2011 by Tony McCammon

It is that time of year again. I hope these messages will help you get started on the right foot as you control the pests in your orchards. Please feel free to email me if you have additional questions or information you would like posted in the advisories. If you would like me to cover a specific topic feel free to request it through email. Thanks and happy growing. Open the PDF file to view the newsletter.

Idaho's Trade Managers Appointments

Tree Fruits    Treasure Valley - Idaho

Posted on: December 7, 2010 by Tony McCammon

Scheduled Dates

Armando Orellano will be in Idaho Febuary 7th through the 18th. To schedule an appointment Click Here

Eddie Yen and Xu Fang will be in Idaho Febuary 14th through the 22nd. To schedule an appointment Click Here

Idaho's Trade Office Managers for Mexico, Southeast Asia
and China
Agriculture companies have the opportunity for one-on-one consultations with Eddie Yen, Idaho's Asia Trade Office Manager, Xu Fang, Idaho's China Trade Office Manager, and Armando Orellano, Idaho's Mexico Trade Office Manager, to identify strategies for expanding sales in these markets. Their visits primarily focus on meeting one-on-one with individual companies to provide market intelligence and consulting. If your company is interested in entering or expanding in these markets, Eddie Yen, Xu Fang, and Armando Orellano are excellent resources. Please contact Laura Johnson or Kim Peterson if you are interested in learning more about Idaho's overseas trade offices, or would like to schedule meetings with any of the trade office managers.

Table Grape Association

Tree Fruits    Treasure Valley - Idaho

Posted on: December 2, 2010 by Tony McCammon

Hello Table Grape Growers and Friends,

Below is a Snippet of our November 2010 News Letter.
To View the Full Version of the "Snake River Table Grape Growers News Letter" please visit the link below.

https://sites.google.com/site/srtgga/srtgga-news-letter

Or visit our home page at www.srtgga.org

Fire blight outlook

Tree Fruits    Treasure Valley - Idaho

Fire blight / Coryneum Blight

Posted on: June 14, 2010 by Tony McCammon

Fire Blight infections on apples and pears through Thursday are extremely likely any late blooms, recent pruning cuts, or new succlent growth are susceptable. As blossoms are the primary infection site there is not any need to make an application. Numerous serious blight outbreaks have occurred in past when degree hours near or exceed 70 degrees and blossoms are wetted by rain, 2+ hours of dew, or light irrigation.

The use of chemical to control Fire Blight is recommended during bloom. Do not use antibiotics on trees after bloom; they are ineffective. Management for fire blight through the summer envolves pruning out new infections.

Coryneum blight (also known as shot hole) infections are showing up in orchards now, and in some areas, are worse than usual due to the cool, wet spring. Coryneum blight is caused by a fungus that overwinters in buds, causing small gummy cankers. From there, it spreads to leaves and later, to developing fruit by rain water slashing on infected areas.

Captan or a copper product like Kocide are most effective against this disease when sprayed at 50% leaf fall in the Fall and again in February. Use Captan or Bravo Weather Stik at shuck fall in the spring.

Right now I recommend, where practical, pruning out the dead, diseased, or dying branches. Make sure your sprinklers in the lawn are not hitting the trees. This fall and winter hit it with Captan or a copper product. In the Spring hit it with Captan, bravo, or spectracide immunox. During May and June I would be careful what you use. I do not recommend Captan after shuck fall. Spectracide immunox, however, can be applied up to the day of harvest.

Tree Fruit Pest Advisory

Tree Fruits    Treasure Valley - Idaho

Codling Moth, Western Cherry Fruitfly

Posted on: June 7, 2010 by Tony McCammon

The attached Pest Advisory covers the following topics:
-Pests Area Updates - Codling moth, Fireblight,
Western Cherry Fruitfly, Flatheaded Borers.
-Rainfast Pesticides for our wet spring weather
-Chemical recommendations for Western Cherry Fruitfly
-Critical Timing for Codling Moth coverage

New pest Outbreaks

Tree Fruits    Treasure Valley - Idaho

Drosophila Fly

Posted on: May 25, 2010 by Tony McCammon

The Spotted wing Drosophila has been trapped in Umatilla county Oregon. We do not want this fruit tree pest in Idaho. If you are willing to monitor for this pest in your orchards please contact Ben Simko with the ISDA.

Tree Fruit Advisory

Tree Fruits    Treasure Valley - Idaho

Posted on: May 25, 2010 by Tony McCammon

Codling moth
Fire Blight
Leafhoppers
Thinning
New Pests ISDA
Organics

Fruit Tree Advisory Newsletter

Tree Fruits    Treasure Valley - Idaho

Fruit Tree Pests Update

Posted on: May 13, 2010 by Tony McCammon

Warm temperatures have increased insect activity in fruit trees. The attached file includes:
Codling moth Biofix ~ May 8th
Fire Blight update
Apple aphid
Sustainable control methods for Codling moth
2010 chemicals registered for Codling moth

Spanish Pesticide Program

Tree Fruits    Treasure Valley - Idaho

Posted on: February 2, 2010 by Tony McCammon

Fruitgrowers,

Be advised that there is a free pesticide program for Spanish Speaking industry workers and professionals. This is a good opportuniity to educate your employees on insects, diseases, and pesticide safety. Please pass this information on to them and send them to support this program. See the attached document. With so many Extension programs on the chopping block this year we need your support in our programs that contribute to your industry.

Blue Mountain Horticulture Society Annual Meeting

Tree Fruits    Treasure Valley - Idaho

Posted on: January 26, 2010 by Tony McCammon

This is to announce the Annual Meeting of the Blue Mountain Horticulture Society scheduled for Tuesday, February 2, 2010, starting at 7:45 a.m. The meeting will be held at Blue Mountain Community College (BMCC), 311 North Columbia (next to Safeway), in Milton-Freewater. Pesticide recertification credits will be available for Oregon, Washington, and Idaho. Speakers such as Jay Bruner, Tim Smith, and Clive Kaiser. Pre-register by calling phone 541-938-7176. See the Meeting agenda in the attachment.

SWCD Healthy Soil for Healthy Crops

Tree Fruits    Treasure Valley - Idaho

Posted on: January 26, 2010 by Tony McCammon

The Payette Soil Water Conservancy district has put together a great program to help Build your productive soil. Soil Specialists and Horticulturalists will be speaking. Speakers include Mir Seyedbagheri UI Extension Soil Educator, Rhonda Hirnyck UI Pesticide Program Coordinator, and Anita Azarenko Oregon State Horticulture Department Head. See the attached flyer for more Information. From more information on this program or to register call 642-4402.

Parma Tree Fruit Field Day

Tree Fruits    Treasure Valley - Idaho

Posted on: August 31, 2009 by Tony McCammon

The Parma Fruit Field Day begins thursday September 3rd at 8:30am and will finish around 1pm. Support for the Parma Research and Extension Center is critical this year. Please plan on attending this event.

Export Meeting for FruitGrowers

Tree Fruits    Treasure Valley - Idaho

Posted on: August 25, 2009 by Tony McCammon

ISDA is providing Eddie (Taiwan) and Armando (Mexico), trade managers, for a luncheon discussion on export, packaging, and quality updates. We will meet for lunch in Caldwell on Friday, September 4 12-1:30 pm at the University of Idaho Caldwell Complex on Chicago. Please RSVP as soon as possible to tonym@uidaho.edu or by calling 642-6022.
lunch will be provided!!! RSVP today!

Export meeting for fruit growers

Tree Fruits    Treasure Valley - Idaho

Posted on: August 25, 2009 by Tony McCammon

ISDA is providing Eddie (Taiwan) and Armando (Mexico), trade managers, for a luncheon discussion on export, packaging, and quality updates. We will meet for lunch in Caldwell on Friday, September 4 12-1:30 pm at the University of Idaho Caldwell Complex on Chicago. Please RSVP as soon as possible to tonym@uidaho.edu or by calling 642-6022.
lunch will be provided!!! RSVP today!

Codling Moth 2nd Generation is upon us!

Tree Fruits    Treasure Valley - Idaho

Posted on: July 9, 2009 by Tony McCammon

Codling Moth 2nd Generation hatch has begun get your sprays on your apples and pears. See the attached Pest alert for more details on this Tree Fruit Advisory.

Codling Moth 2nd Generation is upon us!

Tree Fruits    Treasure Valley - Idaho

Posted on: July 9, 2009 by Tony McCammon

Codling Moth 2nd Generation hatch has begun get your sprays on your apples and pears. See the attached Pest alert for more details on this Tree Fruit Advisory.

Fruit Advisory

Tree Fruits    Treasure Valley - Idaho

Posted on: June 11, 2009 by Tony McCammon

Codling moth models indicate 35% of Larvae have hatched out. This is the most critical time to protect your fruit as another 30% of first generation larvae will be hatching out this week. This weekend Peach, nectarine, and apricot trees should be protected from the Peach twig Borer. The weather forecasts rain showers off and on for the next week. Use rainfast product for your applications. For more information on Rainfast products, and additional information concerning this alert view the payette county Extension website and check out the June 11 advisory.

Tree Fruit Pest Advisory

Tree Fruits    Treasure Valley - Idaho

Posted on: June 11, 2009 by Tony McCammon

The Attached Advisory contains Peach twig Borer, Peach tree borer, Codling Moth, White Leafhopper, and western Cherry fruitfly information for Commercial and Home orchardists. View the Payette County Extension Website
for further information.

western Cherry Fruit Fly

Tree Fruits    Treasure Valley - Idaho

Posted on: June 1, 2009 by Tony McCammon

To confirm the previous Alert. Cherry Fruit Flies have been caught in the sunnyslope area of Canyon County. Mature adults will be laying eggs by the 4th of June. Be prepared.

Western Cherry Fruit Fly, Fire Blight, Codling Moth

Tree Fruits    Treasure Valley - Idaho

Posted on: June 1, 2009 by Tony McCammon

Current Warnings:

Codling Moth (apple worm): June 1-15

The peak egg hatch period has begun. It is a short window of time (between 1-2 weeks) where 15-80% of all eggs hatch and the surface area of each fruit expands. With the expansion of the fruit chemical sprays loose effectiveness quickly. During this rapid egg hatching and fruit expansion, it is important that your fruit is protected with insecticide to prevent larval entry. Keep track of when your first treatment was applied and how long it lasts. If it is waning during the period of peak egg hatch, consider applying your second application sooner (by 1-2 days).

Insecticides that target both larva and egg stages are recommended. Such as: Altacor, Assail, Calypso, and Intrepid. Homeowners should use horticulture oil with a product such as sevin for their first spray. The oil will smother unhatched eggs and the sevin will protect the fruit from hatched larva. Good residue coverage on your fruit is vital during the first generation. Growers should continue to apply the chosen material(s) at the interval provided on the label.

Fireblight: June 1-3

Fire Blight is forecasted for Monday through Friday of this week with a possibility of continued infection early next week. Infection is likely when trees have open flowers, had late season pruning, or open wounds and injured branches. For infection to occur at least two hours of moisture during 70 degree temperatures are necessary. Monitor moisture in your apples and pears. If the wetting occurs and flowers are open, apply an antibiotic such as serenade or agri-mycin. Homeowners can use blight ban or Mico-shield. If you do not choose to control fire blight at this time monitor very closely for new infections and prune them out. They usually show up within 7 to 14 days. For more information review the attached advisories.

Western Cherry Fruit Fly: June 4

The cherry maggot adults are flying and will have reached maturity on June 4th. Sprays need to be applied if fruit have turned a straw- yellow color. Cherry fruit fly CAN-NOT penetrate the skin and lay eggs on green fruit. Therefore, materials should be applied only after the first few fruits have developed a salmon blush color over the yellow.

Be sure to note the pre-harvest interval (PHI) of your material. (This is the time period you must wait after a spray to harvest your fruit.)

Chemicals to control Western Cherry Fruit fly:

Homeowner: spinosad (GF-120, Natural Guard Spinosad, every 7 days), Sevin (every 7 days), permethrins (every 7-14 days)

Commercial Grower: imidacloprid (Merit, Provado-every 14 days), phosmet (Imidan-every 14 days, but not on sweet cherry), chlorpyfros (Lorsban-every 14 days but not on sweet cherry), diazonon (every 14 days), spinosad (GF-120, Success), permethrins

For more information visit the Payette County Extension Office website. Also visit the new Orchard Review Board link on the website.

More Fruit Advisory

Tree Fruits    Treasure Valley - Idaho

Posted on: May 29, 2009 by Tony McCammon

Attached is an advisory for Updates on Codling moth Western Cherry Fruit Fly, Wooly apple aphid. Please advise others of these alert.

Western Cherry Fruit Fly

Tree Fruits    Treasure Valley - Idaho

Posted on: May 28, 2009 by Tony McCammon

The Western Cherry Fruit Fly will be showing up in traps Monday or Tuesday of next week. Keep a look out. Information on the Western Cherry Fruit Fly and control methods are available on the Payette County Website (http://extension.ag.uidaho.edu/payette/fruit.htm).

The pdf files below, from Bem Simko at ISDA, contain additional information related to the Western Cherry Fruit Fly.

Memorial Day Weekend

Tree Fruits    Treasure Valley - Idaho

Posted on: May 21, 2009 by Tony McCammon

Cougar Blight models predict Fireblight extreme risk possibilities through Monday the 25th. Codling moth hatch is predicted to begin Friday the 22nd. Visit www.extension.ag.uidaho.edu/payette/ for more information. Have a safe weekend.

Protect yourself from Fire Blight

Tree Fruits    Treasure Valley - Idaho

Posted on: May 18, 2009 by Tony McCammon

Fire Blight is forecasted for Monday through Friday of this week with a possibility of continued infection early next week. Infection is possible when trees have open flowers, had late season pruning, or open wounds and injured branches. For infection to occur at least two hours of moisture during 70 degree temperatures are necessary. Monitor moisture in your apples and pears. If the wetting occurs and flowers are open, apply an antibiotic such as serenade or agri-mycin. Homeowners can use blight ban or Mico-shield. If you do not choose to control fire blight at this time monitor very closely for new infections and prune them out. They usually show up within 7 to 14 days. For more information review the attached advisory.
Old advisories and additional information are available on my website at:
http://extension.ag.uidaho.edu/payette/fruit.htm

Tree Fruit Pest Advisory May 1

Tree Fruits    Treasure Valley - Idaho

Posted on: May 1, 2009 by Tony McCammon

Fruit Grower Pest Advisory May 1, 2009.

http://extension.ag.uidaho.edu/payette/images/Storage/Fruit%20Advisory/April_2alert.pdf

Or visit the Payette County Website.

Tree Fruit Pest Advisory Report

Tree Fruits    Treasure Valley - Idaho

Posted on: April 20, 2009 by Tony McCammon

Download the PDF file to view the Alert Advisory or go to http://extension.ag.uidaho.edu/payette/fruit.htm

Fruit Grower Test

Tree Fruits    Treasure Valley - Idaho

Posted on: April 20, 2009 by Tony McCammon

This is a test from the computer in Payette to Fruitgrowers in Southwest Idaho.

Tree Fruit Pest Advisory Report

Tree Fruits    Treasure Valley - Idaho

Posted on: April 20, 2009 by Tony McCammon

Download the PDF file to view the Alert Advisory or go to http://extension.ag.uidaho.edu/payette/fruit.htm

Tree Fruit Pest Advisory

Tree Fruits    Treasure Valley - Idaho

Posted on: April 17, 2009 by Tony McCammon

To view the advisory click on the pdf file below or visit the Payette County Extension website.

Tree Fruit Pest Advisory Newsletter

Tree Fruits    Treasure Valley - Idaho

Posted on: April 17, 2009 by Tony McCammon

Download the PDF file to view the Alert Advisory or go to http://extension.ag.uidaho.edu/payette/fruit.htm

Parma Field Day of Fruit

Tree Fruits    Treasure Valley - Idaho

Posted on: September 8, 2008 by Tony McCammon

Contact: Essie Fallahi at (208) 722-6701, Ext. 225, or efallahi@uidaho.edu in Parma or communications specialist Marlene Fritz at (208) 364-6165 or mfritz@uidaho.edu in Boise.

Sample Fruit and Tour Horticultural Research on Sept. 12
at University of Idaho’s Parma Research and Extension Center

PARMA, Idaho—On Sept. 12, Treasure Valley residents can see and taste what’s growing on the trees and vines at the University of Idaho’s Parma Research and Extension Center. Anyone interested in fruit production—including commercial growers, small-farm and alternative producers, home gardeners, hobbyists and horticultural professionals—is encouraged to attend.

Beginning promptly at 8:30 a.m., participants can nibble on new table grapes, peaches, nectarines, apples, quinces, Asian pears and other alternative fruit. They’ll learn about the use of growth bio-regulators in fruit crops before heading to the Fuji apple orchard for information on water-conserving irrigation practices, progressive pest-management, and innovative fertilization and chemical-thinning.

Then, they’ll tour experimental rows of alternative fruit crops—including quinces, Asian pears, persimmons, jujubes, haskaps and mulberries—and see a new canopy experiment in table grapes. They’ll compare varieties of peaches and nectarines and participate in a question-and-answer discussion about planting, growth regulators, pest management, pruning, thinning, girdling, irrigating and other fruit-growing practices.

The delicious event is free and slated to end at about 1 p.m. Four pesticide recertification credits will be offered.

The Parma Research and Extension Center is located about a mile north of Parma on U of I Lane. For more information, call University of Idaho pomologist Essie Fallahi at (208) 722-6701, Ext. 225, or the main office at Ext. 228.

Fruit Field Day

Tree Fruits    Treasure Valley - Idaho

Posted on: August 27, 2008 by Tony McCammon

The University of Idaho Annual Fruit Field Day will be held on Friday, September 12, 2008 from 8:30 am to 1:00 pm. The registration will start at 8:30 am and program will start at 9:00 am. Several cultivars of new table grapes, peaches, nectarines, apples, quinces, Asian pears, and other alternative fruits will be presented during the tour. Participants can taste many of these fruits. Highlights of this event will be:
1) Presentation and tasting of several types and cultivars of fruits at the main office complex and discussion on application of growth bio-regulators in fruit crops
2) Tour of the U of I comprehensive research projects on ‘Fuji’ apple irrigation and nutrition, chemical thinning, and pesticides uses
3) Tour of the alternative fruit crops, including quinces, Asian pears, persimmons, Jujube, Haskaps, and mulberries
4) Tour of the table grape vineyards, new grape canopy experiment, peaches and nectarines, and discussion/ questions/answers on various cultural practices of fruit crops, including planting, growth regulators, pruning, thinning, girdling, pest control, irrigation
Where: University of Idaho, Parma Research & Extension Center in Parma, on the lawn in front of the main office complex. Going west on Highway 20/26 in Parma, turn right at M&W grocery store, go for about 1/3 miles and turn left on U of I Lane and go north for about 1 mile.
When: Friday, September 12, 2008, Starts at 8:30 am (sharp) till 1:00 pm
Cost: Free of Charge

Emmett Fruitgrower Lunch Meeting

Tree Fruits    Treasure Valley - Idaho

Posted on: June 20, 2008 by Tony McCammon

June 25th: Fruitgrowers are invited to learn about Abiotic and Biotic Orchard diseases next Wednesday at 11:00am in Emmett at the La Costa Family Mexican Restaurant in Emmett. 517 N. Washington Ave. 365-1567.

Speakers: Essie Fallahi UI Pomology Specialist and Krishna Mohan UI Pathology Specialist. Tom Tankersley orchard Updates.

Western Cherry Fruit Fly

Tree Fruits    Treasure Valley - Idaho

Posted on: June 12, 2008 by Jerry Neufeld

Ben Simko from ISDA has prepared a memo with the recommended first treatment dates for Western Cherry Fruit Fly for several areas in the Treasure Valley. To see the memo click on “Crop Info” then “Tree Fruit” then “Cherry” then “Western Cherry Fruit Fly” then click on the link entitled “Western Cherry Fruit Fly Predicted Emergence for 2008.” For treatment information scroll down to the Western Cherry Fruit Fly Alert Tony McCammon posted on June 3, 2008.

Western Cherry Fruit Fly Alert

Tree Fruits    Treasure Valley - Idaho

Posted on: June 3, 2008 by Tony McCammon


Western cherry fruit fly is a serious pest of tart and sweet cherries. Although residential growers can “tolerate” several wormy cherries, please keep in mind that a commercial growers’ crop can be rejected by the processing plant if worms are detected. If residential trees are adjacent to commercial orchards, it is essential that they are treated for cherry fruit fly.

The timing of your spray depends on the development of the fruit. We usually recommend starting applications at 1060 degree days after March 1. However, the flies cannot penetrate the skin of the cherry to lay eggs until the cherry has developed a salmon-blush color. So use that guideline for when to start spraying. Check the fruits at the top of the tree and in the sunniest locations as these will color up first.

Currently in the warmest sites in the Treasure Valley we are at 880 DD in cooler sites we are 820 DD in either case the Valley Growers should be preparing to spray next week.

Once control treatments begin based on timing information described above, maintain protection of fruit through harvest. Reapply insecticides based on the protection interval stated on the label. It is best to rotate the type of insecticide applied between applications to reduce development of resistance and negative effects on beneficial insects and mites. For example, insecticides such as carbaryl, malathion, and the synthetic pyrethroids are especially toxic to predatory mites.

Recommended Insecticides*
For home and commercial orchards:
• spinosad (GF-120, Success, Entrust) – reapply every 7 days
• carbaryl (Sevin) – reapply every 7 days
• malathion (Malathion) – best when used just before harvest as it lasts approximately 3 days
• synthetic pyrethroid insecticides – reapply every 7-14 days
• cyfluthrin (Baythroid) – commercial use only
• esfenvalerate (Asana, Ortho products)
• lambda-cyhalothrin (Warrior) – commercial use only
• permethrin (Ambush, Pounce, Ortho products)

For commercial orchards only:
• imidacloprid (Provado) – reapply every 14 days
• azinphosmethyl (Guthion) – reapply every 14 days (scheduled for phase-out by 2012 by the U.S. Environmental Protection Agency)
• phosmet (Imidan) – reapply every 14 days; do not use on sweet cherry
• chlorpyrifos (Lorsban) – reapply every 14 days; do not use on sweet cherry
• diazinon (Diazinon) – reapply every 10-14 days
• spinetoram (Delegate) – Reapply every 7 days

Spinosad, GF-120 is used by many growers across the country with great success (in Washington, they use this product almost exclusively). If you have a heavy infestation, it will take 1-2 seasons of use to bring 100% control with this product. It contains a bait that attracts the fly to eat it, and the active ingredient is called spinosad. Spinosad is a metabolite from the naturally occurring soil bacterium, Saccharopolyspora spinosa. GF-120 must be applied every 7 days, but complete coverage is not necessary.

Ground Cover and Mulches
It has been demonstrated that ground cover around the base of trees can prevent larvae from burrowing into the soil to complete development into the pupal stage. Successful vegetation covers include grasses and other plants with extensive, dense root systems (e.g., clover) that physically impede fruit fly larvae. Landscape fabric has been shown to prevent larval burrowing and emergence of adults from pupae in the soil. Mulches of other dense materials may also interfere with their life cycle.

Codling Moth Update

Tree Fruits    Treasure Valley - Idaho

Posted on: June 3, 2008 by Tony McCammon

Codling Moth
Cooler weather in my experience has created less of a gap between first and second generations Moth pressure will remain constant through this cooler spell. Trap catches of codling moth adults have declined due to the combination of cover sprays and the weather induced waning moth flight. However, we have entered the peak period of egg hatch (340-640 DD after biofix) where it is very important to have the fruit protected. This is the time where you might consider overlapping with your first cover spray.

Some new research out of Washington State University by Jay Brunner and others discusses tank mixing two different types of materials: one that acts as an ovicide (Rimon, Esteem) with one that acts as a larvicide (Assail, Calypso) as an alternative to the organophosphates. This combination provides a one-two punch of killing existing and future eggs (depending on residual time) and existing and future larvae (whose eggs had not been killed).

Otherwise stick to your guns and continue your regimes. Current DD for your areas are below:
Caldwell: 462.8
Parma: 357.8
Fruitland: 374.8
Payette: 337.4
Emmett: 321.2

Fruitgrower Meeting Wednesday at 11:00

Tree Fruits    Treasure Valley - Idaho

Posted on: June 3, 2008 by Tony McCammon

University of Idaho Fruitgrower Meeting Held at Tips restaurant in Payette off Highway 95. Starts at 11:00.

Essie Fallahi, Kelly Henggeler, and Ron Yoder will be there to instruct and carry the discussion. Please come and enjoy your fellow industry professionals.

Tony McCammon

Codling Moth First Generation Cover Spray

Tree Fruits    Treasure Valley - Idaho

Posted on: May 22, 2008 by Tony McCammon

Codling Moth Degree Days have reached critical temperatures and eggs will be hatching this weekend. On Friday May 23rd 1% of Eggs will be hatching in all parts of the Treasure Valley. Cover Sprays should be applied according to label instructions for control on codling moth on apples and pears.

Many of you should apply your first codling moth treatment to catch the first few eggs that are hatching. Please keep in mind that if you use a pyrethroid such as Warrior, chose a pesticide from a different class for your second spray, such as Assail, Calypso, Intrepid, or Imidan. Insects can develop resistance to pyrethroids very quickly.

Altacor and Delegate are available in small quanities from Wilbur Ellis. Call Tom Tankersley for more information.

Synthetic Insecticides*
Chloronicotinyls:
• acetamiprid (Assail)
• clothianidin (Clutch)
• thiacloprid (Calypso)
Insect Growth Regulators:
• azadirachtin (Aza-Direct, Azatin)**
• methoxyfenozide (Intrepid)
• novaluron (Rimon)
• pyriproxyfen (Esteem)
• tebufenozide (Confirm)
Organophosphates:
• azinphosmethyl (Guthion)
• chlorpyrifos (Lorsban), apples only
• diazinon (Diazinon)
• dimethoate (Dimethoate)
• malathion (Malathion)**
• phosmet (Imidan)
Carbamates:
• carbaryl (Sevin)**
• indoxacarb (Avaunt)
Synthetic pyrethroids:
• esfenvalerate (Asana)
• fenpropathrin (Danitol)
• lambda-cyahalothrin (Warrior)

It is important for commercial growers to continue to
monitor the codling moth population with pheromone
traps throughout the season. This information will help you to determine how well your treatment program is working.
If you are using Mating Disruption, use two different types of lures:
• one trap with a 10x or DA-Combo lure to monitor
moth flight (the 10x lure has a very high dose of pheromone for male moths and the Combo lure has a “pear
ester” that also attracts female moths), and
• one trap with a 1x lure; if you catch NO moths in this
trap, you know your mating disruption is working (the
1x lures have a lower dose of pheromone that trap male
moths only)

Fruit Grower Meeting - Marsing

Tree Fruits    Treasure Valley - Idaho

Posted on: May 19, 2008 by Tony McCammon

Proper Soil and Nutrient Management will increase fruit marketablility. Mir Seyedbagheri UI Educator in Elmore County will present on these topics wednesday at 11:00 At the Sandbar Restaurant in Marsing. 18 1st Ave W, 896-4124.

See you there!
Tony McCammon

Fruit Grower Meeting

Tree Fruits    Treasure Valley - Idaho

Posted on: May 12, 2008 by Tony McCammon

Marketing and protecting our fruit are at the top of the list for fruit growers. Wednesday at 11:00 at Nichols Steakhouse in Fruitland representatives from the ISDA will discuss what they are doing and what you can do to protect your fruit from abandoned orchards. The Idaho Preferred program will talk about marketing opportunities for your fruit. If you have any questions on this meeting call Tony McCammon at 642-6022.

Rimon Ovicide degree day applications

Tree Fruits    Treasure Valley - Idaho

Posted on: May 7, 2008 by Tony McCammon

The Rimon label states that it wants to be on between 50-75 degree days(DD) in Western states. If we Include the success of the trials Wilbur Ellis completed with this product, appling material at 100 and 1000 DD,
The 1st generation has a window that could be from 50 to 100 DD giving large orchadists a little more time to cover their acres. The 2nd generation should be applied starting at 1000 degrees. Submitted by Tom Tankersly

Estimating DD with the projected forcast expect to reach 50 DD on Monday in most parts of the Treasure Valley.

Good Luck!

Codling Moth Biofix all Over Treasure Valley

Tree Fruits    Treasure Valley - Idaho

Posted on: May 6, 2008 by Tony McCammon

Biofix for Codling moth was reached May 5 in all locations in the treasure Valley. Emmett, Sunnyslope, Parma, Fruitland, and the Upper Snake River Valley all caught 4 or more moths. Altacor has recieved federal Registration and are wating on State registration. Ovicides should be purchased for this weekends application. Apply Ovicides at 70 to 100 degree days. Further information on Codling Moth control with be forthcoming.

Tony McCammon

Chemical Fruit Fair: Feb 22

Tree Fruits    Treasure Valley - Oregon

Posted on: February 15, 2008 by Tony McCammon

Ontario Sizzler Restaurant

Registration starts at 8:00

Lunch is provided.
See you there!

Coddling Moth and Cherry Fruit Fly Update

Tree Fruits    Treasure Valley - Idaho

Posted on: June 7, 2007 by Tony McCammon

As of
June 5th:                                         
Coddling Moth DD  
Biofix ACC.DD. 340dd 920dd(END Hatch)
Emmett    25-Apr 510.6    13-May 27-Jun
Fruitland 24-Apr 604.4    19-May 22-Jun
Parma       24-Apr 540.4   20-May 26-Jun
Snake River
Valley 25-Apr 610.0  20-May 21-Jun
Sunny Slope 25-Apr 540.5  20-May 25-Jun

Larval emergence for the first generation of codling moth is 69-79% completed for Southwest Idaho. Keep fruit protected from newly emerging codling moth larvae through the projected end of the 1st generation. Currently, the codling moth model predicts that egg hatch for the 1st generation will end between June 22 and June 26. A critical period for codling moth control is 340-640 DD after biofix (first adult activity). The percentage of egg hatch (larval emergence) for the first generation changes from 12 to 80% during this period. This relatively short 300 DD window of time (approx. 10-15 days in length) will see the greatest amount of codling moth pressure. It is important to have adequate residues of insecticide present on fruit during this period. There will be a 5-7 day “break” between the 1st and 2nd generation where fruit protection is not necessary.

Western Cherry Fruit Fly
Biofix AccDD
Emmett 25-May 228.7
Fruitland 27-May 283.3
Parma 28-May 171.9
Snake River
Valley 27-May 259.7
Sunny Slope 29-May 157.9


Based on numerous years of observation in Idaho, fruit is not susceptible to egg-laying from cherry fruit fly females until it changes from yellow to a salmon or blush color. When the earliest maturing fruit on the tree takes on a blush color, protect cherries with an insecticide application. Based on research, adult females are not ready to lay mature eggs until 7-10 days after first catch of the season. Use these two pieces of information for your location to initiate insecticide sprays to protect fruit from cherry fruit fly. Flies will develope according to temperatures like most insects. Spray timing can also be based on 190 Degree Days. Use the temperatures from the top of this page to time your applications.
Insecticides effective for WCFF:
- Spinosad GF-120 NF (apply with an electric pump sprayer mounted on a 4-wheeler; reapply every 7 days; excellent adulticide; not rainfast)
- Provado (moderate adulticide, excellent larvicide, can kill larvae within fruit; reapply every 14 days; watch for mite flare-up with repeated applications)
- Success and Entrust (reapply every 7 days)
- Dimethoate (Be careful follow instructions closely)
- Guthion (reapply every 14 days; 15 day PHI)
- Sevin (reapply every 7 days; watch for mite flare-up with repeated use)
- Diazinon (reapply every 7-10 days; 21 day PHI)
- Malathion (reapply every 3 days; watch for mite flare-up with repeated use)

Fruitgrower Meeting Wednesday June 6th

Tree Fruits    Treasure Valley - Idaho

Posted on: May 31, 2007 by Tony McCammon

Fruitgrower meeting next wednesday 12:00 Marsing Sandbar restaurant. Just over the Bridge driving into marsing take a right.

Tom Tankersly will give us updates on orchard scouting observations
Tony McCammon will lead discussion on drought conditions and Cherry mildew information

For any questions contact Tony McCammon at 642-6022
or email at tonym@uidaho.edu

Western Cherry Fruit Fly

Tree Fruits    Treasure Valley - Idaho

Posted on: May 30, 2007 by Tony McCammon

Western Cherry Fruit Fly (Sweet and tart cherry): Western cherry fruit fly adults have been caught in locations of Emmett May 25th and Sunny Slope May 29th. Based on numerous years of observation in Idaho, fruit is not susceptible to egg-laying from cherry fruit fly females until it changes from yellow to a salmon or blush color. When the earliest maturing fruit on the tree takes on a blush color, protect cherries with an insecticide application. Based on research, adult females are not ready to lay mature eggs until 7-10 days after first catch of the season. Use these two pieces of information for your location to initiate insecticide sprays to protect fruit from cherry fruit fly.
Insecticides effective for WCFF:
- Spinosad GF-120 NF (apply with an electric pump sprayer mounted on a 4-wheeler; reapply every 7 days; excellent adulticide; not rainfast)
- Provado (moderate adulticide, excellent larvicide, can kill larvae within fruit; reapply every 14 days; watch for mite flare-up with repeated applications)
- Success and Entrust (reapply every 7 days)
- Dimethoate (Be careful follow instructions closely)
- Guthion (reapply every 14 days; 15 day PHI)
- Sevin (reapply every 7 days; watch for mite flare-up with repeated use)
- Diazinon (reapply every 7-10 days; 21 day PHI)
- Malathion (reapply every 3 days; watch for mite flare-up with repeated use)

Western Cherry Fruit Fly

Tree Fruits    Treasure Valley - Idaho

Posted on: May 16, 2007 by Jerry Neufeld

Ben Simko, Program Manager from ISDA has prepared a letter showing the predicted emergence dates for Western Cherry Fruit Fly for several areas in the Treasure Valley. To read the letter click on “Crop Info”, “Tree Fruit”, “Cherry”, “Western Cherry Fruit Fly” and lastly the link entitled “Western Cherry Fruit Fly predicted emergence for 2007”.

Fruitgrower Meeting

Tree Fruits    Treasure Valley - Idaho

Posted on: May 8, 2007 by Tony McCammon

This is a reminder of Wednesdays May 9th Growers Meeting at Nichols Steak House. High noon!

See you there.

Degree Day Accumulations

Tree Fruits    Treasure Valley - Idaho

Posted on: May 8, 2007 by Tony McCammon

Projected Degree days for Coddling Moth as of May 7th 2007.

Coddling Moth DD 150dd 250dd
Emmett May 9 May 20
Fruitland May 9 May 19
Parma May 11 May 22
Snake River Valley May 10 May 20
Sunny Slope May 12 May 22

At 150dd to 200dd apply Esteem 35WP or Intrepid 2F to control Coddling moth at the early egg laying period. For best control during this period supplement this treatment with Pheromone treatments.

Fruitgrower Meeting Fruitland

Tree Fruits    Treasure Valley - Idaho

Posted on: May 3, 2007 by Tony McCammon

Universtity of Idaho Extension in Payette County will host a Fruitgrower meeting on May 9th at 12:00 noon at Nichols Steak House in Fruitland. Essie Fallahi will lead a discussion on nutrient management of side blooms on apples, Kelly Henggeler will lead a discussion on labor issues, and Tom Tankersley on an orchard scouting update.

A second meeting will be offered on June 6th in Marsing at the Sand Bar Resturaunt. More information will follow.

Coddling Moth Degree Day Update

Tree Fruits    Treasure Valley - Idaho

Posted on: May 3, 2007 by Tony McCammon


Temperatures are estimated days when said Degree days will be achieved.

Coddling Moth DD ActualDD 100dd 150dd 250dd

Snake River Valley 91.3 May 4 May 9 May 19
Fruitland 94.6 May 4 May 10 May 20
Sunny Slope 93.1 May 6 May 12 May 22
Parma 80.3 May 6 May 12 May 22



Fruitgrower Meeting

Tree Fruits    Treasure Valley - Idaho

Posted on: March 20, 2007 by Tony McCammon

Fruit Grower Meeting – Gem County USDA Office
April 4, 2007 7:00pm - 9:00pm


7:00 pm Welcome
Tony McCammon

7:10 pm Gem Co. Orchard Review Board Report
Al Dimmick – ORB Member

7:45 pm Temperatures, Trapping, & Timing
Tony McCammon – University of Idaho Extension

8:20 pm FSA Insurance Options
Rob Maurer – County FSA Executive Director
8:55 pm Solutions for Commercial Growers
Tom Tankersley - Wilbur and Ellis

Fruit Grower Advisory Meeting

Tree Fruits    Treasure Valley - Idaho

Posted on: December 13, 2006 by Tony McCammon

TO: Interested Tree Fruit Growers and Friends

FROM: Bill Ford (the one with some E Mail addresses) :-)

We will be holding our third planning session in the Henggeler Packing Company's lunch room, this Thursday (14) at 6:00 P.M..

OBJECTIVE: To finalize discussion of possible projects, and make decisions as to what projects we want to pursue.

If you are unable to attend, send a representative from your organization!

Tony McCammon, the University of Idaho's Fruit Production Extension Educator will lead out.

Promar Insurance Feedback Sessions

Tree Fruits    Treasure Valley - Idaho

Posted on: December 7, 2006 by Tony McCammon

INVITATION TO FEEDBACK SESSIONS
ON PERENNIAL CROP INSURANCE

(Apples, Grapes, Pears, Peaches, Cranberries, and Blueberries)

USDA¡¦s Risk Management Agency has contracted with Promar International, a food and agricultural consulting firm based in Virginia, to evaluate the insurance programs for those perennial crops for which the insurable value is based on a grower¡¦s actual production history. While they are looking at all aspects of these programs, Promar has been directed to focus particularly on the adjustments made to approved yields for instances of either alternate bearing or down trending yields. Key questions include:

„Ï How often are growers¡¦ approved yields being automatically reduced by the RMA formulas that trigger these adjustments?
„Ï Have the adjustments been appropriate?
„Ï Should all of these crops be subject to adjustments for alternate bearing?

The states covered by RMA¡¦s Spokane Washington Regional Office include Washington, Oregon, Idaho, and Alaska. The insured perennial crops of interest in this region are apples, grapes pears, peaches, cranberries, and blueberries. Feedback sessions for growers, insurance providers, agents, and extension staff are being conducted in Washington and Idaho because of the concentration of growers in that state, but the sessions are open to interested parties from any of these states, and all are invited.

Feedback sessions have been scheduled as follows:

Idaho:
Tuesday , December 12, 2006
AmeriTel Inn ¡V Boise Spectrum
Arrow Rock North Room
7499 W. Overland
Boise, ID 83709
9:00 - 11:00 am Washington:
Wednesday, December 13, 2006
WSU ¡V IAREC , Large Conference Room
24106 N. Bunn Rd.
Prosser, WA
10:00 - 12:00 am
Friday, December 15, 2006
Washington State Fruit Commission
Downstairs Meeting Room
105 S. 18th str.
Yakima, WA 98901
9:00 - 11:00 am

University of Idaho Fruit Field Day

Tree Fruits    Treasure Valley - Idaho

Posted on: July 27, 2006 by Jerry Neufeld

The University of Idaho Annual Fruit Field Day will be held on Wednesday, September 6, 2006 from 8:30 am to 1:00 pm. The registration will start at 8:30 am and the program will start at 9:00 am. Several cultivars of new table grapes, peaches, nectarines, apples, quinces, Asian pears, and other alternative fruits will be presented during the tour. Participants can taste many of these fruits. Highlights of this event will be:
1) Presentation and tasting of several types and cultivars of fruits at the main office complex and discussion on application of growth bio-regulators in fruit crops
2) Tour of the U of I comprehensive research projects on ‘Fuji’ and ‘Gala’ apple irrigation and rootstock selections, chemical thinning, and pesticides uses
3) Tour of the alternative fruit crops, including quinces, Asian pears, persimmons, Jujube, and mulberries
4) Tour of the table grape vineyards, peaches and nectarines, and discussion/ questions/answers on various cultural practices of fruit crops, including planting, growth regulators, pruning, thinning, girdling, pest control, irrigation
Where: University of Idaho, Parma Research & Extension Center in Parma, on the lawn in front of the main office complex. Going west on Highway 20/26 in Parma, turn right at M&W grocery store, go for about 1/3 mile and turn left on U of I Lane and go north for about 1 mile.
When: Wednesday, September 6, 2006, Starts at 8:30 am (sharp) till 1:00 pm
Cost: Free of Charge
Who Can Participate? Open to the Public. Those interested in fruit production, including commercial growers, small farm growers, alternative fruit growers, home gardeners, Master Gardeners, horticultural professionals and graduate students, extension and research faculty/staff, horticultural hobbyist, and fruit industry representatives are welcome. For additional information, please call: 208-722-6701 Extension 228 OR contact Dr. Essie” Fallahi at 208-722-6701 Ext. 225

Cherry Fruit Fly

Tree Fruits    Treasure Valley - Idaho

Posted on: June 6, 2006 by Steven Reddy

Ben Simko, Entomology Program Manager ISDA, reported that one of his scouts brought in a positive Western Cherry Fruit Fly on a yellow panel trap from the rural Nampa area on June 5th.
According to the insect model, June 3-4 was the recommended treatment date for Cherry Fruit Fly in Canyon County.

Cherry Fruit Fly Forecasts

Tree Fruits    Treasure Valley - Idaho

Posted on: May 25, 2006 by Steven Reddy

According to the degree-day model from the Online Phenology and Degree-day Models published at the OSU Integrated Plant Protection Center Website, below are the forecasted dates for the Western Cherry Fruit Fly adult emergence and recommended spray dates.
These dates were determined using actual temperature data from these locations up to May 24 and forecasted temperatures thereafter. Chemical control should be applied before the eggs are laid.
Ben Simko, Program Manager
Pest Survey and Detection Program
Division of Plant Industries, ISDA

Western Cherry Fruit Fly Degree Day Accumulations 2006
Site Forecast First Forecast First
Adult Emergence Treatment @1060 DD
Boise May 21 June 1
Caldwell May 23 June 3
Emmett May 27 June 6
Nampa May 22 June 3
Payette May 20 May 31
Parma May 21 June 1





Pomology Program Annual Fruit Field Day

Tree Fruits    Treasure Valley - Idaho

Posted on: August 29, 2005 by Jerry Neufeld

The University of Idaho Annual Fruit Field Day will be held on Wednesday, September 7, 2005 from 8:30 am to 1:00 pm. The registration will start at 8:30 am and program will start at 9:00 am. Several cultivars of new table grapes, peaches, nectarines, apples, quinces, Asian pears, and other alternative fruits will be presented during the tour. Participants can taste many of these fruits. Four Credits will be given toward the Idaho Pesticide Applicator License.

Highlights of this event will be:
1)Presentation and tasting of several types and cultivars of fruits at the main office complex and discussion on application of growth bio-regulators in fruit crops
2)Tour of the U of I comprehensive research projects on ‘Fuji’ and ‘Gala’ apple irrigation and rootstock selections, chemical thinning, and pesticides uses
3)Tour of the alternative fruit crops, including quinces, Asian pears, persimmons, Jujube, and mulberries
4)Tour of the table grape vineyards, peaches and nectarines, and discussion/ questions/answers on various cultural practices of fruit crops, including planting, growth regulators, pruning, thinning, girdling, pest control, irrigation

Where: University of Idaho, Parma Research & Extension Center in Parma, on the lawn in front of the main office complex. Going west on Highway 20/26 in Parma, turn right at M&W grocery store, go for about 1/3 miles and turn left on U of I Lane and go north for about 1 mile.

When: Wednesday, September 7, 2005, Starts at 8:30 am (sharp) till 1:00 pm

Cost: Free of Charge

Who Can Participate? Open to the Public. Those interested in fruit production, including commercial growers, small farm growers, alternative fruit growers, home gardeners, Master gardeners, horticultural professionals and graduate students, extension and research faculty/staff, horticultural hobbyist, and fruit industry representatives are welcome. For additional information, please call: 208-722-6701 Extension 228 OR contact Dr. Esmaeil “Essie” Fallahi at 208-722-6701 Ext. 225

Cherry Fruit Fly

Tree Fruits    Treasure Valley - Idaho

Posted on: May 31, 2005 by Steven Reddy

Michael Cooper (ISDA) reported a confirmed Cherry Fruit Fly capture in a sticky trap in Gem County.
This capture is close to the Degree Day model prediction calculated on May 21.

Codling moth

Tree Fruits    Treasure Valley - Idaho

Posted on: May 26, 2005 by Steven Reddy

Fruit growers should be prepared for large codling moth hatch pressure in the next 1 to 2 weeks. Crop Advisor: Tom Lyon reports that the initial codling moth generation was weak due to cool, wet weather conditions. Conditions now, however, are right for a large larva hatch. Growers should have trees protected with cover sprays.

Cherry Fruit Fly

Tree Fruits    Treasure Valley - Idaho

Posted on: May 21, 2005 by Steven Reddy

Degree Day calculations made on May 20th for Western Cherry Fruit Fly (using the OSU On-Line Phenology and Degree Day Models) include:
Payette: 821.1 DD First adult emergence about May 21
Parma: 769.8 DD First adult emergence about May 24
Caldwell: 740.3 DD First adult emergence about May 26
Nampa: 740.1 DD First adult emergence about May 26
Emmett: 678.9 DD First adult emergence about May 29
Chemical control applications are recommended on or before 1060 Degree Days to target egg-laying adult flies (source: Orchard Pest Management).

Codling Moth

Tree Fruits    Treasure Valley - Idaho

Posted on: May 19, 2005 by Steven Reddy

Codling moth degree days have been slower to accumulate than anticipated. On 5/18/05 (Parma data) 146 degree days were calculated. First generation egg hatch will begin at approximately 250 degree days.
Growers in the Payette/Fruitland area will meet May 24th to review the anticipated first hatch and control options. If you would like more information on this meeting call Washington Co. Ext. Office (414-0415)

Codling Moth Biofix Set

Tree Fruits    Treasure Valley - Idaho

Posted on: May 5, 2005 by Steven Reddy

Crop Advisor, Tom Lyon reported the first consistent codling moth flight on May 1. This date is being designated as the Codling Moth Biofix date. Growers should contact their crop advisors now to determine codling moth control options. The first generation egg hatch will begin approximately 250 Degree-days after Biofix. Additional Degree-day alerts will be given as we get closer to first hatch.

Pomology Program Annual Fruit Field Day

Tree Fruits    Treasure Valley - Idaho

Posted on: August 26, 2004 by Jerry Neufeld

The University of Idaho Annual Fruit Field Day will be held on Thursday, September 2, 2004 from 9:00 am to 12:30 pm. Several varieties of new table grapes, peaches, nectarines, apples, and plums will be presented during the tour, and participants can taste these fruits. The highlights of the field day are:

1.Presentation and tasting of several types and cultivars of fruits at the main office complex
2.Tour of the U of I comprehensive and modern Fuji and Gala apple irrigation projects and apple rootstock selections, etc…
3.Tour of the alternative fruit crops, including quince, Asian pears, persimmons, and mulberries.
4.Tour of the table grape vineyards, peaches and nectarines, and discussion/questions/ answers on various cultural practices of fruit crops, including planting, pruning, thinning, growth regulators, girdling, irrigation etc.

Where: University of Idaho, Parma Research/Extension Center, in front of the main office complex. Going west on highway 20/26 in Parma, turn right at M&W grocery store, go for about 1/3 miles, turn left on U of I Lane, and go north for about 1 mile.

When: Thursday, September 2, 2004, Starts at 9:00 AM (sharp) until 12:30 PM.

Cost: Free of Charge

Who Can Participate? Open to the Public. Those interested in fruit production, including commercial growers, small-scale growers, alternative fruit growers, home gardeners, Master gardeners, horticultural professionals, extension and research faculty/staff, and horticultural hobbyist are welcome.

For additional information, please call 208-722-6701 Extension 228 OR contact Dr. Essie Fallahi at 208-722-6701 Ext. 225

Western Cherry Fruit Fly Emergence Dates

Tree Fruits    Treasure Valley - Idaho

Posted on: May 5, 2004 by Tim Davis

As of today May 5th we are currently at 730 degree days for the Western Cherry Fruit Fly in the Caldwell area and the model is predicting accumulations of 1060dd on May 22nd. In the Emmett are we are currently at 700dd and the model is predecting accumulations of 1060dd on May 25th. In the Payette area we are currently at 760dd and the model is predicting 1060dd on May 21st. A cover spray should be applied on or before 1060dd to target mature, egg-laying flies.

Codling Moth Larval Emergence Date

Tree Fruits    Treasure Valley - Idaho

Posted on: May 5, 2004 by Tim Davis

As of today May 5th we are currently any where from 150-185 degree-days for the Codling Moth. This range depends on when your biofix was set and the area you are in. The model is predicting larval emergence (250dd) any where from May 12-15 again depending on you local temperature and biofix date. The Fruitland/Payette area is on the earlier end of the prediction as it has been a bit warmer here this year. The Caldwell area is on the later end of this prediction. Plan your cover sprays accordingly and DONT BE LATE!

Annual Pomology Field Day

Tree Fruits    Eastern Idaho

Posted on: August 28, 2003 by Jerry Neufeld

The University of Idaho Annual Fruit Field Day will be held on Tuesday, September 9, 2003 from 9:00am to 12:30. Several varieties of new table grapes, peaches, nectarines, apples, and plums will be presented during the tour, and participant can taste these fruits. The highlights of the field day are:

1)Presentation and tasting of several types and cultivars of fruits at the main office complex

2)Tour of the table grape vineyards, peaches and nectarines, and discussion/ questions/ answers on various cultural practices of fruit crops, including pruning, thinning, growth regulators, girdling, variety and rootstock selections, irrigation, etc..

3)Tour of the U of I comprehensive and modern Fuji and Gala apple irrigation projects.

4)Tour of the alternative fruit crops, including quince, Asian pears, persimmons and mulberries.

Where: University of Idaho, Parma Research/Extension Center, in front of the main office complex

When: Tuesday September 9, 2003, Starts at 9 am (sharp) till 12:30

Cost: Free of Charge

Who Can Participate? Open to the Public. Those interested in fruit production, including commercial growers, small-scale growers, alternative fruit growers, home gardeners, Master gardeners, horticultural professionals, extension and research faculty/staff, and horticultural hobbyist are welcome.

For Additional Information, Please call: 208-722-6701 Extension 228 OR contact Dr. Essie Fallahi at 208-722-6701 Ext. 255

Western Cherry Fruit Fly

Tree Fruits    Treasure Valley - Idaho

Posted on: June 3, 2003 by Tim Davis

The Idaho State Department of Ag detected another adult WCFF in a trap near Sunnyslope June 2, 2003. According to the model this is a bit late for the first adult emergence but anyhow your applications should be applied if you have not already done so.

Western Cherry Fruit Fly

Tree Fruits    Magic Valley

Posted on: June 3, 2003 by Tim Davis

The Idaho State Department of Ag detected another adult WCFF in a trap near Sunnyslope June 2, 2003. According to the model this is a bit late for the first adult emergence but anyhow your applications should be applied if you have not already done so.

WCFF adult found in Gem County

Tree Fruits    Treasure Valley - Idaho

Posted on: May 30, 2003 by Tim Davis

Mike Cooper from the department of Ag found the first Western Cherry Fruit Fly adult in a Cherry Orchard in Gem County Wednesday May 27. The degree-day model was predicting emergence May 28 and first egg laying June 3 so the model was just about right on. Gem county is the latest area around so other areas in the Treasure Valley should have had adults caught by now. Applications should be applied now.

Western Cherry Fruit Fly Spray Dates

Tree Fruits    Treasure Valley - Idaho

Posted on: May 27, 2003 by Tim Davis

This is the second alert for the WCFF. Dates have remained close to the estimated dates from the previous alert. These dates are the estimated day for first egg laying. Get your sprays on before this date in your area.

Payette May 27
Parma May 29
Weiser June 2
Caldwell June 3
Emmett June 4

Codling Moth Spray Dates

Tree Fruits    Treasure Valley - Idaho

Posted on: May 22, 2003 by Tim Davis

According to the degree-day model from the OSU Extension Website
(http://ippc2.orst.edu/cgi-bin/ddmodel.pl?clm)
these are the forecasted dates for the Codling Moth. These dates were determined using actual temperature from these locations up to May 20th and forecasted temperatures thereafter. Date of spray allpication is achieved when 250 degree days are reached after biofix. The biofix date was set for May 2 when Tom Lyon found a consistant catch in a trap near Payette. There was a week of a cold spell where there was not much activity and then more consistant catches during the second week in May but to avoid early stings I reverted back to May 2 for all areas.

Payette: May 28
Parma: May 30
Caldwell: May 30
Weiser: May 31
Emmett: June 1

Spray applications should be applied before these dates in your area.

Western Cherry Fruit Fly Forcasted Spray Dates

Tree Fruits    Treasure Valley - Idaho

Western Cherry Fruit Fly

Posted on: May 16, 2003 by Tim Davis

According to the degree-day model from the OSU Extension Website (http://ippc2.orst.edu/cgi-bin/ddmodel.pl?spp=cff)
these are the forecasted dates for the Western Cherry Fruit Fly. These dates were determined using actual temperature from these locations up to May 15 and forecasted temperatures thereafter. Chemical control should be applied before the eggs are laid.

Location First Adults Emerge First Eggs laid on Fruit

Parma 5/21 5/28

Payette 5/21 5/30

Weiser 5/26 6/1

Caldwell 5/25 6/4

Emmett 5/28 6/4

Adult Western Cherry Fruit Fly Found in traps

Tree Fruits    All Locations

Posted on: June 10, 2002 by Tim Davis/Will Cook

An adult Western Cherry Fruit Fly was found in a trap in the Emmett area on June 7th. Cover sprays should be added if not already.

Western Cherry Fruit Fly Activity

Tree Fruits    All Locations

Posted on: May 21, 2002 by Tim Davis

Using temperature data from the Caldwell weather station the degree day model is predicting Adult Emergence on May 30, eggs laid on first fruit on June 5, and first egg hatch by June 9. The weather station in Parma is predicting the same dates. The weather station in Ontario predicts all activity four days earlier.

Coddling Moth Degree Days Near 250

Tree Fruits    All Locations

Posted on: May 21, 2002 by Tim Davis

As of May 20th the Ontario weather station is reporting 189 degree days and forcasting accumulation of 250 dd's (3% hatch) on May 26. The Caldwell weather station reports 176 dd's and forcasts 250 dd's on May 28. The Parma weather station reports 178 dd's and also forcasts 250 dd's on May 28. Your first cover spray should be prior to these listed dates depending on your location.

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