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Malheur Experiment Station SUMMER FARM FESTIVAL
Announcements Treasure Valley - Idaho
Posted on: July 5, 2011 by Jerry Neufeld
YOU ARE INVITED TO THE Malheur Experiment Station SUMMER FARM FESTIVAL and Annual Field Day.
Presented by the OSU Malheur Experiment Station,
Ontario Chamber of Commerce, KSRV and others.
We will also feature: Agricultural Trade Show Booths and Many Different Events and Contests with Prizes.
July 13, 2011 from 8:30 AM - 1:00 PM
Complimentary lunch will be served.
Please reserve lunch by calling Janet Jones
(541) 889-2174 Or emailing her at janet.jones@oregonstate.edu
Malheur Experiment Station
595 Onion Ave.
Ontario, OR 97914
Cooperating to bring you the Summer Farm Festival and Field Days include the Ontario Chamber of Commerce, KSRV, OSU Malheur County Extension Service, University of Idaho, Malheur County Soil and Water Conservation District, Malheur Watershed Council, Owyhee Watershed Council, USDA NRCS, and the Lower Willowcreek Working Group.
Click on the pdf below for more information.
Late blight in potato
Potato All Locations
Phytophthora infestans
Posted on: June 29, 2011 by Jeff Miller
Late blight has been found in the Columbia Basin and is present in four fields north of the Tri-Cities.
It is recommended that all growers prepare for late blight due to the favorable weather conditions experienced this spring and the presence of late blight in many seed areas this past year. A summary of fungicides that are effective against late blight can be found at the link below.
If you find any suspicious samples, please send them to University of Idaho extension personnel or to us here at Miller Research. Even if you know you have found late blight, we would like samples in order to determine the genetic strain. This will better help us understand where the late blight originated. All submissions will be held confidential and reported only on a county basis.
» http://www.millerresearch.com/reports/LateBlight/Overview_of_Fungicides_for_Late_Blight.pdf
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,
Agri-Mek Section 18 approved
Onion All Locations
Thrips
Posted on: June 27, 2011 by Steve Norberg
Section 18 approved for Agri-Mek in Oregon for thrips in onions. See Oregon Department of Agriculture for label at
http://oregon.gov/ODA/PEST/sec18.shtml or see attached label and letter.
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.
cereal leaf beetle
Small Grains Treasure Valley - Oregon
cereal leaf beetle
Posted on: June 15, 2011 by Jerry Neufeld
Dr. Clint Shock, Superintendant at the OSU Malheur Experiment station is reporting that cereal leaf beetle larvae are being found in Malheur County winter wheat fields. Click on the link below to read CIS 994 titled “Cereal Leaf Beetle” from the University of Idaho to find out more about this pest.
onion thrips
Onion All Locations
onion thrips
Posted on: June 14, 2011 by Jerry Neufeld
Dr. Clint Shock, Superintendant at the OSU Malheur Experiment station is reporting that thrips counts have passed three per plant at the Oregon State University Malheur Experiment Station. Dr. Mike Thornton from the UI-CALS Parma Research and Extension Center is reporting average thrip counts of nearly one per plant. Recent research has shown that most control programs are most effective when early season sprays start when populations are no more than 1 to 3 thrips per plant.
Colorado Potato Beetle
Potato Magic Valley
Colorado Potato Beetle
Posted on: June 14, 2011 by Jerry Neufeld
Dr. Erik Wenninger, Extension Entomology Specialist with UI-CALS in Kimberly is reporting that Colorado potato beetles were observed in Kimberly late last week. So far, only overwintered adults have been observed, and they will do little damage to potatoes. Scouting should begin soon for eggs and for larvae, which can cause considerable damage.
To guard against development of insecticide resistance, post-emergence applications of neonicotinoid insecticides should not be used if a neonicotinoid seed treatment or other at-planting neonicotinoid treatment was used. Examples of neonicotinoid seed or at-planting treatments include Admire, Belay, Cruiser, Gaucho, and Platinum. Examples of foliar neonicotinoid sprays include Actara, Belay, Endigo ZC, Leverage, and Provado.
Those using “soft” chemistries against Colorado potato beetles should be especially vigilant about scouting to appropriately time sprays. Sprays against the first generation should be applied when the first mature larvae are seen; at this time most of the larvae have hatched, but are still relatively small and susceptible to insecticides.
Border sprays may be considered if populations have not spread into the interior of fields.
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.
Updated USDA GAP Audit
Potato All Locations
Posted on: June 9, 2011 by Nora Olsen
Please note an updated USDA Good Agricultural Practices (GAP)Good Handling Practices (GHP)Audit Verification Checklist is now available. This latest version was effective June 6, 2011. Visit the USDA website to view the newest version:
http://www.ams.usda.gov/gapghp
The University of Idaho will update their GAP organizational manual to coincide with the latest GAP Audit version. Visit www.kimberly.uidaho.edu/potatoes/gap.htm in the future to download the updated manual.
Only minor changes were made to the audit but these changes will need to be addressed in all future farm and storage audit visits.
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.
spider mites in mint
Mint Treasure Valley - Idaho
spider mites
Posted on: June 6, 2011 by Jerry Neufeld
Jeffery Christianson from Simplot Company is reporting that spider mites are already being found in established mint fields in the Treasure Valley. The mites were found during routine field scouting operations. It seems a bit early, but you may want to be on the lookout for these pests.
stripe rust
Small Grains Magic Valley
stripe rust
Posted on: June 2, 2011 by Jerry Neufeld
Dr. Oliver Neher from the UI Twin Falls R and E Center is reporting that stripe rust has been confirmed in small grains near Hanson. Some fungicides can’t be applied after heading and some can be applied up until flowering. In all cases apply according to the label.
Colorado Potato Beetle
Potato Treasure Valley - Idaho
Colorado Potato Beetle
Posted on: June 2, 2011 by Jerry Neufeld
Bill Buhrig from the UI, Parma Research and Extension Center, is reporting that overwintering Colorado Potato Beetle adults are beginning to emerge in southwest Idaho. This overwintering adult stage does not do much damage; however, females are beginning to lay eggs in potato fields. We could see the damaging larvae appear in about 7 to 10 days depending on temperatures. This is the time for growers to be scouting for CPB, especially if they are using "soft" foliar insecticides that target control of early instar larvae.
stripe rust
Small Grains Treasure Valley - Oregon
stripe rust
Posted on: May 31, 2011 by Jerry Neufeld
Dr. Clint Shock from the OSU Malheur Experiment station is reporting that wide spread stripe rust has been confirmed in Malheur County small grains. Some fungicides can’t be applied after heading and some can be applied up until flowering. In all cases apply according to the label.
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.
onion thrips
Onion Treasure Valley - Idaho
thrips
Posted on: May 18, 2011 by Jerry Neufeld
Dr. Mike Thornton from the UI Parma station is reporting that onion thrips adults are being caught on sticky traps, and larvae have been observed on volunteer onions. Even though the crop is behind schedule due to cool weather, he advises that growers begin scouting for thrips in the next few days to help in scheduling the first insecticide application.
stripe rust in winter wheat
Small Grains Treasure Valley - Idaho
stripe rust
Posted on: May 18, 2011 by Jerry Neufeld
UI Cereal Specialist, Dr. Brad Brown is reporting that stripe rust was found yesterday in winter wheat trials at the Parma R&E Center. The wheat is approaching the boot stage so fungicides will be used for control. Commercial fields of wheat and barley need to be scouted ASAP to determine if stripe rust is present so that fungicides can be used prior to the end of the label window for application. For additional information refer to the Extension Cereal website by clicking on “link 1” below.
Other stripe rust alerts for southern Idaho were previously published. That information can be accessed by clicking on “Link 2” below. As the previous alert indicated, do not assume that varieties that have historically had stripe rust resistance will always maintain that resistance. Scouting is essential. A sample of Stephens winter wheat was brought in yesterday with stripe rust present, and Stephens in western Idaho historically has had adequate adult plant high temperature (APHT) resistance. That may no longer be the case.
» http://www.extension.uidaho.edu/scseidaho/disease/disease_index.htm
» http://www.extension.uidaho.edu/scseidaho/disease/strst/5-16-11%20stripe%20rust%20alert.pdf
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.
Fire Blight
All Crops Treasure Valley - Idaho
Fire Blight off Cougar blight
Posted on: May 13, 2011 by Tony McCammon
Fire Blight is forecasted for Saturday through Monday of this weekend. Cougarblight models predict high probability of infection. 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.
Stripe Rust Alert
Small Grains All Locations
Pucinnia striiformis
Posted on: May 12, 2011 by Juliet Windes
Aberdeen, Bingham County, Idaho. Stripe rust is being reported in commercial fields as of May 12, 2011, in Brundage soft white winter wheat. Stripe rust also has continued to proliferate on the Aberdeen Research and Extension Center in USDA-ARS material, in UI Breeding plots and in the University of Idaho’s Cereal Extension plots. The infected plants were at the jointing growth stage. New leaves were not yet infected; sporulation was occurring on lower leaves as a result of an overwintering infection (the first I have seen here in southeast Idaho).
On the Aberdeen research station, Brundage had about 30% affected leaves throughout the plot, Moreland about 5% of the leaves affected. Active and abundant sporulation was occurring. Stripe rust was prevalent throughout the winter wheat variety trials, and two out of the four reps of both the soft white winter and hard red / white winter nurseries were sprayed with a fungicide last week.
Weather is very conducive for infection and rapid spread. It is imperative to protect susceptible varieties with a fungicide. Both strobilurin and triazole fungicides are effective in protecting against subsequent stripe rust infections. However, if stripe rust is currently in your crop, it is recommended that you utilize a triazole fungicide for their slightly curative activity. Fungicide ratings for stripe rust are: Excellent = azoxystrobin (Quadris), pyraclostrobin (Headline), metconazole (Caramba), tebuconazole (Folicur), and fungicide mixes rated Excellent for stripe rust includes Proline, Twinline, Quilt.
Additional information and pictures are available on the Cereals Extension website for southern and southeast Idaho: http://www.extension.uidaho.edu/scseidaho/disease/disease_index.htm
» http://www.extension.uidaho.edu/scseidaho/disease/disease_index.htm
Pest Alert Website
Announcements All Locations
Computers
Posted on: May 10, 2011 by Jerry Neufeld
Everyone,
Sorry for the multiple emails about the SWCD meetings for February. We are having website problems with an uncooperative computer. Please accept our apologies.
Jerry
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.
