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Cherry Powdery Product Resistance: Webinar

January 21 @ 1:00 pm - 2:00 pm

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Cherry mildew has been quickly evolving resistance to key fungicides in Washington. Dr Gary Grove will describe new research which has found that resistance to group 3 and 11 fungicides in all production regions as well potential as resistance in other groups.

This event is part of Cherry Institute co-sponsored by NW Cherry Growers.


  • Brief review of Cherry Powdery Mildew biology and IPM control.
  • Resistance within Group 3.
  • Resistance within Group 11.
  • Recommendations for product rotations with high efficacy products.


Gary Grove is a Professor in WSU Department of Plant Pathology. His work focuses on epidemiology and management of fungal diseases of stone fruits, grapes, and hops; disease forecasting and fungicide resistance management. He also teaches Diseases of Fruit Crops, Biology and Management of Plant Diseases, and a graduate course in Plant Disease Epidemiology.


A 35-min talk will be followed by 15-min facilitated discussion.


To register visit


This session will qualify for one Washington or Oregon pesticide re-certification credit with WSDA/ ODA approval. To receive credit attendees must attend the entire 50 min seminar and participate in polls within the session.

Tree Fruit Days Webinar Series

This webinar is part of the Tree Fruit Days Webinar Series co-sponsored by WSU Extension, NW Cherry Growers, Okanogan Hort Assoc., Pear Bureau NW, NCW Fieldmen’s Assoc.

For additional educational opportunities see and the WSU Winter Institute



January 21
1:00 pm - 2:00 pm


WSU Extension – Tianna DuPont
(509) 293-8758
Washington State University