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Apple Scab on Crabapples.
Small Fruits All Locations
Venturia inaequalis
Posted on: March 19, 2017 by Rich Guggenheim
The wet weather and cooler temperatures this spring has led to favorable conditions for apple scab to develop. Apple scab can lead to the defoliation of ornamental crabapples planted in the landscape.
The first visible symptoms of apple scab in the spring are pale, water-soaked spots the size of a pinhead on the new leaves.
Sanitation practices are the best cultural way to manage the spread of this fungal disease. Avoid water on the leaves to prevent spread of fungal spores.
» https://pnwhandbooks.org/plantdisease/host-disease/crabapple-malus-spp-scab
» http://extension.oregonstate.edu/gardening/how-control-apple-scab
» http://ipm.ucanr.edu/PMG/PESTNOTES/pn7413.html
» http://utahpests.usu.edu/ipm/htm/fruits/fruit-insect-disease&apple-scab
Spotted Wing Drosophila
Small Fruits Treasure Valley - Oregon
Spotted wing drosophila
Posted on: October 15, 2013 by Stuart Reitz
Spotted wing Drosophila has been detected in Malheur County. Larvae were found infesting raspberries collected from a homeowner’s garden in Ontario. Spotted wing drosophila (SWD), Drosophila suzukii, is an invasive insect pest of economically valuable small fruit and tree fruit crops that was first identified in the Western United States in late 2008. Spotted wing drosophila has previously been confirmed in 2012 and 2013 in neighboring counties in Idaho (Canyon and Payette) so the discovery in Malheur County is not unexpected. In those Idaho counties, it has been found infesting raspberries, grapes and peaches.
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 healthy, undamaged ripening fruit; the common species will only attack overripe, damaged, or dropped fruit. Drosophila larvae in sound ripening fruit are likely to be spotted wing drosophila. Spotted wing drosophila have the potential to be a very serious pest of tree and small fruits. Commercial fruit producers and home gardeners should take all appropriate management efforts for this pest, including:
Monitoring: check fruit regularly for ripeness, damage and presence of SWD. Commercial or home traps are useful for monitoring for SWD adults, and may be useful for control.
Sanitation: remove and destroy infested and overripe or damage fruit
Early harvest: harvest as early as possible to reduce exposure to SWD
Netting: while not practical for large commercial operations, netting may be useful small fruits, and small or single trees or tree branches.
Pesticides: This pest is new and limited information is available on pesticides for control of SWD, but sprays must be timed to kill adults before they lay eggs in fruit.
Please see the following websites for information on identification, biology, monitoring and management of spotted wing drosophila for additional and specific information. 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.
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
Monitoring, identification and management including trapping information:
http://pnwhandbooks.org/insect/pnw-insect-management-handbook/emerging-pest-spotted-wing-drosophila also see appropriate sections for each commodity, e.g. raspberry, from this list:
http://pnwhandbooks.org/insect/search/content/spotted%20wing%20Drosophila
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
http://www.ipm.ucdavis.edu/EXOTIC/drosophila.html
spotted wing drosophila
Small Fruits Treasure Valley
spotted wing drosophila
Posted on: September 26, 2013 by Jerry Neufeld
Spotted Wing Drosophila Southwest Idaho update
Spotted wing drosophila (SWD), Drosophila suzukii, is an invasive insect pest of economically valuable small fruit and tree fruit crops that 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 Counties., ID in August of 2012, and in June of 2013 SWD adults were collected by a crop consultant from traps in an orchard near Fruitland, ID. The presence of the flies in samples this early in the 2013 season indicates the flies may have overwintered in southwest Idaho in 2012.
We have continued to find SWD throughout the summer in traps placed in the vicinity of southwest Idaho tree fruit and berry crops. Numbers of SWD in traps have increased dramatically over the last fdrew weeks and we have reared SWD adults from larvae found in raspberries, grapes and peaches. Spotted wing drosophila is a temperate vinegar or pomace fly native to Southeast Asia preferring temperatures of 20-30 °C (68-86 °F). The cool, wet weather we are now experiencing is ideal for SWD, and in combination with the presence of ripe, damaged and rotting fruit is likely contributing to the observed increase in the SWD population 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 healthy, undamaged ripening fruit; the common species will only attack overripe, damaged, or dropped fruit. Drosophila larvae in sound ripening fruit are likely to be spotted wing drosophila. Spotted wing drosophila have the potential to be a very serious pest of tree and small fruits. Commercial fruit producers and home gardeners should take all appropriate management efforts for this pest, including:
Monitoring: check fruit regularly for ripeness, damage and presence of SWD. Commercial or home traps are useful for monitoring for SWD adults, and may be useful for control.
Sanitation: remove and destroy infested and overripe or damage fruit
Early harvest: harvest as early as possible to reduce exposure to SWD
Netting: while not practical for large commercial operations, netting may be useful small fruits, and small or single trees or tree branches.
Pesticides: This pest is new and limited information is available on pesticides for control of SWD, but sprays must be timed to kill adults before they lay eggs in fruit.
Please see the attached information on identification, biology, monitoring and management of spotted wing drosophila for additional and specific information. 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.
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
Monitoring, identification and management including trapping information:
http://pnwhandbooks.org/insect/pnw-insect-management-handbook/emerging-pest-spotted-wing-drosophila also see appropriate sections for each commodity, e.g. raspberry, from this list:
http://pnwhandbooks.org/insect/search/content/spotted%20wing%20Drosophila
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
http://www.ipm.ucdavis.edu/EXOTIC/drosophila.html
YOU ALSO MAY 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.
Fruit Advisory newsletter - Issue 2
Small Fruits All Locations
Codling Moth, Fireblight, Cherry Mildew, and Leafroller
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
Organic Grape Production and Composting Featured at Upcoming
Small Fruits All Locations
Field Day
Posted on: September 25, 2012 by Nora Olsen
Organic Grape Production and Composting Featured at Upcoming Field Day
Thursday, September 27
1:30 - 4 pm
Rocky Fence Vineyard
Emmett, Idaho
Mike and Liz Medes of Rocky Fence Vineyard in Emmett, Idaho invite growers to attend.
The tour will feature organic methods of table and wine grape production, with a special emphasis on increasing berry size and managing powdery mildew. The vineyard has been producing organic grapes since 2004, during which the Medes have been involved in several research projects to enhance production practices.
Mario de Haro Marti, University of Idaho Gooding County Extension, will share his work with the vineyard to compost grape vine prunings. The vineyard wants to retain nutrients, reduce and potentially eliminate burning of the prunings, and control the spread of diseases and insects with proper composting techniques.
The Northwest Center for Alternatives to Pesticides is assisting the vineyard in offering this tour. More tour details at www.pesticide.org. RSVP with Jennifer Miller (jmiller@pesticide.org, 208-850-6504) or at www.pesticide.org. The cost is $10. A grape tasting and snacks will be provided.
The vineyard is located at 3770 Fuller Rd, Emmett, ID 83617.
Pomology Table Grape School
Small Fruits Treasure Valley - Idaho
Posted on: February 13, 2012 by Tony McCammon
2012 University of Idaho Pomology Program Table Grape School
University of Idaho Pomology and Viticulture Program in junction with the Snake River Table Grape Growers Association will hold its 2012 Table Grape School on Saturday, February 18, 2012 at Parma High School, Common area, 137 Panther Way, Parma, ID 83660. We invite all tree fruit grower, grape growers, home gardeners and other interested people to participate in this educational school. Several speakers have been invited to talk about their areas of expertise and many aspects of table grape production, from propagation, planting, training, irrigation, nutrition, storage, diseases, and chemical applications will be discussed in the meeting. The lectures will be given at the high school and lunch will be served. Then, audience will be guided to the University of Idaho Pomology and Viticulture vineyards to observe and to practice training and pruning of vines at different ages.
Agenda:
8:00 AM: registration $25 per adult, including lunch ($15 without lunch)*
8:50 AM Opening and Welcoming Remarks, Dr. Mike Clark, President, Snake River Table Grape Growers Association.
9:00-10:15 AM: Principals in Production of Table Grape in the Intermountain West. The seminar will include: Propagation, Planting, Training, Irrigation, Nutrition, Cluster Management, GA application, Protection, Harvest and Postharvest. Speaker: Dr. Essie Fallahi, Professor of Pomology and Viticulture, University of Idaho
10:15-10:45 Critical Issues in Commercial Table Grape Production. Speaker: Tom Elias, Tundra Vineyards
10:45-11:15 Break and Visit with Booths
11:15-11:45 Table Grape Disease. Dr. Krishna Mohan, Professor of Plant Pathology, University of Idaho
11:45-12:15 Chemicals for Table Grapes. Speaker: Tom Lyon, Wilbur Ellis
12:15-1:00 Lunch(catered)
12:30-1:00 PM Marketing for Intermountain Table Grapes (During Lunch Break). Speaker: Jonathan Demcak
1:00- 1:15 PM Irrigation Design for Table Grapes. Speaker: Dick Bronson, Pipe-co
1:15-5:00 PM Practical/ Hands on Training and Pruning and Canopy Formation in Various ages of Table Grape. Instructors: Dr. Essie Fallahi and Tom Elias, University of Idaho Pomology and Viticulture Vineyards (about 2 miles north of High School).
5:00 PM Conference Adjourns
Please RSVP with number of people planning to attend, By Feb. 14th
Phone (208)722-7246 or E-Mail hannanibler@srtgga.org
U-Idaho Fruit Conference
Small 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. Open 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
Agritourism
Small Fruits Treasure Valley - Idaho
Posted on: November 7, 2011 by Tony McCammon
GROWING AGRITOURISM IN IDAHO
If you are involved in any sort of agricultural tourism, you won’t want to miss this one day workshop!
Featuring relevant topics, speakers with real world experience, and plenty of networking opportunities – there is truly something for everyone!
DATE: Thursday, December 8, 2011
LOCATION: Idaho State Dept. of Agriculture, 2270 Old Penitentiary Rd, Boise, ID 83712
TIME: 8:30-4:00
DEADLINE: Register by December 2. SPACE IS LIMITED.
Find complete registration information at the link below.
http://www.agri.idaho.gov/Categories/Marketing/Documents/registrationAGRITOURISM.pdf
AGENDA:
8:30 Registration
9:00 Welcome and group introductions
9:15 Making the Most of Agritourism Opportunities on YOUR Operation
Lacey Menasco, Idaho State Department of Agriculture
9:45 Making the Connection – Adding Agritourism to the Visitor’s Itinerary
Diane Norton, Idaho Department of Commerce Division of Tourism
10:15 Break
10:30 Sharing Agritourism Success
Farm Diners: Josie Erskine, Peaceful Belly Farms
Entertaining Guests on the Farm: Ron Bitner, Bitner Vineyards
U-picks and Farm Stands: Fred Schreffler, The Berry Ranch
Diversifying the Experience to Increase Profits: Sherrie and Randy Feist, Linder Farms
11:30 Planning and Zoning
Diana Sanders, Ada County Development Services
12:00 Networking Lunch
Jim Toomey with the UI Food Tech Center will be available to discuss value-added food processing
The four “Success Story” speakers will each be hosting round table discussions
1:00 Getting the Right Insurance Coverage and Minimizing Risk
Stewart Hyndman, Hyndman Insurance
2:00 Introduction to Farm Loops
Lacey Menasco, Idaho State Department of Agriculture
2:15 Break
2:30 “Loop” Break-out Discussions by Region
(Sunny Slope, Emmet, Meridian/Kuna, other as needed)
3:30 Wrap Up and Evaluation
4:00 Adjourn
Find complete registration information at the link below.
http://www.agri.idaho.gov/Categories/Marketing/Documents/registrationAGRITOURISM.pdf
Table Grape Demonstration in Parma
Small Fruits Treasure Valley - Idaho
Cluster thinning
Posted on: June 8, 2010 by Tony McCammon
Dr. Essie Fallahi, Professor & Director of Pomology - University of Idaho has scheduled an on site / hands on training class.
Learn How to properly complete shoot thinning and how to manage Frost Damaged Vines on
June 14th 11:00 AM at the University of Idaho Table Grape Research site in Parma Idaho.
Please join Dr. Fallahi and fellow table grape growers for this informative training session.
Hands on training - Shoot Thinning and How to Manage Frost Damaged Vines
When: June 14th 2010 – 11:00 AM
Where: Parma Table Grape Research, 29603 U of I Lane, Parma, Idaho 83660
Cost: FREE
Call 208-573-8405 for Questions or email
Powdery Mildew on organic Table grape
Small Fruits Treasure Valley - Idaho
Posted on: September 19, 2008 by Tony McCammon
Field Day and Vineyard Tour: Managing Powdery Mildew at Rocky Fence Vineyard Saturday, September 20, 1‐3 pm, Emmett, Idaho
Presented by: University of Idaho Extension, Rocky Fence Vineyard, University of Idaho Pomology Program
Funded by: Western Sustainable Agriculture Research and Education (WSARE) 2008 Professional + Producer Grant
AGENDA
1:00 PM Welcome, registration, introductions
1:30 PM Begin facilitated vineyard tour of the powdery mildew project
2:30 PM Question and answer with grower, Extension faculty and researchers, refreshments
3:00 PM Adjourn
Organic table grape production may be a good match for southwest Idaho’s rapidly changing agricultural
landscape. Population has increased over 30% since 2000 and farms are downsizing. Producers want successful
alternative crops to diversify operations and generate income.
Michael Medes of Rocky Fence Vineyards, a producer of organic table grapes, will use this Professional + Producer
Grant to seek solutions to powdery mildew, the most threatening disease to marketable fruit. With Ariel
Agenbroad and Tony McCammon, and with the support of Dr. Esmaeil Fallahi and Dr. Krishna Mohan, they will test the effectiveness of preventive management practices, implement an expanded trellis system, scout and test for early detection and use climate‐based disease forecasting and organically approved fungicide treatments.
Project findings will be shared at two annual on‐farm demonstration events, conferences and in future Extension publications. This field day is the first of these events.
Emmett Vinyard Field Day
Small Fruits Treasure Valley - Idaho
Posted on: September 8, 2008 by Tony McCammon
September 5, 2008
Contact: Ariel Agenbroad at (208) 459-6003 or ariel@uidaho.edu in Caldwell or Tony McCammon at (208) 850-6798 or tonym@uidaho.edu in Payette.
Table Grape Growers Can Learn About Powdery Mildew
Management at Sept. 20 Field Day in Emmett
EMMETT, Idaho—While organic table grapes have the potential to become a lucrative new alternative crop for small- to mid-range producers in southwestern Idaho, powdery mildew is threatening growers’ ability to harvest high-quality, marketable fruit. Most of the available information on managing this disease has been developed for growers in California, Washington and Oregon, but Treasure Valley producers can tour ongoing local research from 1 to 3 p.m. Saturday, Sept. 20, at a field day at Rocky Fence Vineyard in Emmett.
“Managing this disease is critical to the success of producers and to the sustainability of the industry,” says Ariel Agenbroad, University of Idaho Canyon County Extension educator. She and colleague Tony McCammon of Payette County and grower Mike Medes will lead a tour and hands-on demonstration of research funded by a two-year Western Region Sustainable Agriculture Research and Education Producer + Professional Grant.
Entitled “A Multi-Faceted Approach to Managing Powdery Mildew on Organic Table Grapes in Southwest Idaho,” the project’s partners include University of Idaho pomologist Essie Fallahi and plant pathologist Krishna Mohan, both located in Parma.
The free field day will be held at 3770 Fuller Road in Emmett. The tour will focus on:
• developing powdery mildew management protocols for southwestern Idaho
• trellising systems and pruning strategies for optimal air flow and operator access
• timing and materials for preventative treatment
• scouting and early detection of the disease organism
• using disease forecasting models
• timing treatments with organically approved materials
• exploring the use of composts and compost teas in fertility and disease control
Refreshments will be provided and RSVP is appreciated. For more information, call the University of Idaho’s Canyon County Extension Office at (208) 459-6003.
Essie's Fruit Fair Announcement
Small Fruits Treasure Valley - Idaho
Posted on: July 18, 2007 by Tony McCammon
The University of Idaho Annual Fruit Field Day will be held on Thursday, September 6, 2007 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
