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NCW Stone Fruit Day 2020

January 29, 2020 @ 8:30 am - 3:30 pm

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Tree fruit producers and industry professionals are invited to the North Central Washington Stone Fruit Day on January 29, 2020 in Wenatchee, WA. Join us to learn about stone fruit horticulture and pest management.
Download Flyer for all winter meetings

Co-sponsored by NW Cherry Producers

This event is part of five WSU Tree Fruit Extension Programs in North Central Washington on January 20, 27, 28, 29, 2020. Co-sponsored by the Northwest Cherries, Pear Bureau Northwest, NCW Fieldmen’s Association and the Okanogan Horticultural Association, these events provide the latest research-based information on horticulture, pest and disease management. We hope you will join us to network and learn this winter.

Register for networking lunch:


8:45-9:00                  Announcements

9:00-9:25                 Cherry Market BJ Thurlby, NW Cherries. Crop size, timing and market.

9:30-10:00               Blue Orchard Bees for Improving Pollination* Theresa Pitts-Singer, USDA ARS

10:00-10:10             Elections BJ Thurlby, NW Cherries

10:15-10:35             Coffee Break                                             

10:40-11:15             New Rootstocks and Varieties Lynn Long, OSU Professor Emeritus. Corette series (MSU), Krymsk and MM14 rootstocks; Pearl series, Coral Champaign, Tamara, and Royal series new varieties.

11:15-11:30             A New Tool for Frost Protection Brent Arnoldussen, WSU Horticulture

11:35 – 12:00          Horticulture Updates Matt Whiting, WSU Horticulture, Prosser IRAC Fruit quality variability and precision pollination updates.

12:00-1:00                Networking Lunch Pre-registration required for lunch. Networking lunch provides an opportunity to learn and network with your peers and visiting speakers. Register at

1:00-2:25                  Western X and Little Cherry Virus Symptoms, Vectors, Management and Open Questions* Scott Harper, WSU Plant Pathology; Tobin Northfield, WSU Entomology; Grower, TBA  Grower TBA will describe the urgency of the problem. Scott Harper will describe symptoms, pathogens and testing. Tobin Northfield will outline leafhopper biology. Tianna DuPont will cover management. Followed by twenty minutes of Q&A.

2:30-3:00                  Dangers of Dagger and Root Lesion Nematodes in Washington* Inga Zasada, USDA-ARS Corvallis

3:00-3:25                  Cherry Powdery Mildew Management and Fungicide Resistance Results* Gary Grove, WSU Plant Pathology, Prosser IRAC. Biology, cultural controls, spray rotations, and results from a new pesticide resistance study.         

3:30                            Pesticide Credits and Closing

2-3 WSDA 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.

For Vendors
Please contact NWF Fieldmen’s Association to reserve your vendor booth or sponsorship. 509-784-0357


January 29, 2020
8:30 am - 3:30 pm


WSU Extension – Tianna DuPont
(509) 293-8758


Wenatchee Convention Center
Wenatchee, 98801 United States + Google Map
Washington State University