NCW Stone Fruit Day CAHNRS Office of Research | Washington State University

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NCW Stone Fruit Day

January 16 @ 8:00 am - 5:00 pm

Co-sponsored by Washington State Extension & NW Cherry Growers

8:45-8:50                  Announcements, Tree Fruit News

8:50-9:25                  Record Crop, Record Challenges, Looking Back and Moving Forwar BJ Thurlby, James Michael, NW Cherries

Thurlby and Michael will share the results of a new survey on current acreage, plantings and varieties, provide an overview of volume sold this year throughout the season, and information from retailers and international buyers.                                 

9:25-10:10                Managing for Bigger High Quality Fruit

Matt Whiting, WSU Horticulture, Prosser. Why was my fruit soft, small, low color and low sugar? Dr. Whiting will describe cherry tree physiology and environmental effects on fruit size and quality as we go through the season as well as key management strategies including green fruit thinning, calcium applications, minimizing heat and water stress, and GA applications critical to meet size and quality demands.

 10:10                         Elections

 10:15                         Seeking Grower Input on Research Priorities Mike Willett, Washington State Tree Fruit Research Commission                   

 10:20-10:40             Coffee Break

 10:40-11:10             Managing for Bigger, High Quality Fruit: Grower Perspectives                         

Grower strategies for crop load management and the success they have had meeting fruit size goals.

11:10-11:50             Grower Experiences with Cherry Training Systems Mark Hanrahan, Hanrahan Orchard Management. Tim Welsh, Columbia Fruit.

Mark and Tim will describe their experiences with UFO and V trellis systems respectively including pluses and minuses.        

11:50-1:00                Lunch

1:15-2:00                  Spotted Wing Drosophila & Cherry Fruit Fly* Elizabeth Beers, WSU Entomology, TFREC

In 2017 SWD numbers were down and CFF numbers were up. WSU entomologists will discuss how new knowledge of SWD behavior and trapping can help us predict which fruit fly we should be managing when and what products have the best efficacy.

 2:00-2:45                  Cherry Virus UpdateScott Harper, WSU Prosser; Hannah Walters, Stemilt Growers

 2:45-3:30                  Cherry Powdery Mildew Management Questions and Answers* Dr. Gary Grove, WSU Prosser

 3:30                            Pesticide Credits and Closing


2 to 3 Pesticide education certification credits awarded for program attendance.

Extension programs and employment are available without discrimination. Evidence of noncompliance may be reported through your local Extension Office.

 Agendas are draft and subject to change.


January 16
8:00 am - 5:00 pm


Tianna DuPont


Wenatchee Convention Center
121 N Wenatchee Ave
Wenatchee, WA 98801 United States
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