Tree Fruit Days 2021 webinar series starts Jan. 18

Join WSU Tree Fruit Extension for a webinar series Jan 18 to 22. This series is designed to bring you research-based information while maintaining your safety from Covid19. Each webinar is 30 to 50 min. Choose 13 webinars the topics that most interest you.
Nine sessions offer 1 pesticide update credit approved by WSDA and ODA (marked with an astrix*).
Co-sponsors NCW Fieldmen’s Association, NW Pears, NW Cherry Growers Register at
Contact: Tianna DuPont, WSU Extension, (509) 293-8758,

Jan. 18, 9 a.m. - Organic Apple Mildew Management*, Ashour Amiri, WSU Plant Pathology. Using new research results to improve your powdery mildew management.
Jan. 18, 10 a.m. -  The Latest Fire Blight Research*. Kerik Cox, Cornell; Ken Johnson, OSU; Kari Peter, PSU; Tianna DuPont, WSU
Jan. 18, 1 p.m. -  Selecting New Varieties. Bill Dodd, Midwest Apple Improvement Association, Dr Brewster, Plant and Food New Zealand
Jan. 19, 9 a.m. - Mating Disruption as a Basis for Apple IPM*. Don Thomson, Pacific BioControl; Coverage is Key in Apple IPM* Gwen Hoheisel, WSU Extension. How MD works: competitive attraction. Higher populations are more difficult to control. Aerosol emitter BMPs. Potential of resistance. Coverage is essential and there are some key components that should be looked at this year to ensure that spray is reaching all areas of the canopy.
Jan. 19, 11 a.m. -  Codling Moth Apple IPM – Don’t Forget the Basics, SIR Update*, Betsy Beers, Matt Jones WSU Entomology. Success is influenced by weather. Monitoring basics. Rotate products. Virus in conventional IPM. Organic programs. Using cultural controls. Incorporating SIR into your IPM program successfully.
Jan. 19. 1 p.m. -  The Labor Piece of the Production Puzzle. Karen, Lewis, WSU Extension. De-leafers, Cyclone, Scout, pedestrian orchards.
Jan. 20, 9 a.m. - Pear IPM*. Louis Nottingham, WSU Entomology. Key components to successful pear IPM programs. Latest research.
Jan. 20, 10 a.m. - Using Honeydew Washing to Improve Pear IPM*. Chris Strohm, WSU Extension. Case studies and research results from 2020.
Jan. 20, 1 p.m. - Irrigating Pears for Quality. Lee Kalcsits, WSU Horticulture. This webinar will provide the latest research on irrigating pears for high quality fruit from WSU’s Lee Kalcsits.
Jan. 21, 9 a.m. - X-disease and Little Cherry Virus*. Scott Harper, WSU Pathology; Tobin Northfield, WSU Entomology; Louis Nottingham, WSU Entomology; Cody Molnar, WSU Extension. Symptoms and Sampling. New biology information: symptom types and biological effects per-variety. Vector ID, biology and management. New vector management study results. New vector management product trial results. Tree removal case studies.
Jan. 21, 1 p.m. - Cherry Powdery Mildew Product Resistance*. Gary Grove, WSU Pathology. 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.
Jan. 22, 9 a.m. -  Rodent Control for Orchards*. Roger Baldwin, UC Davis. Efficacy of common and new rodenticides, burrow fumigants and repellents.
Jan. 22, 10 a.m. - Apple Thinning*. Poliana Francescatto, Valent BioSciences. How PGRs and PGR-like compounds can manipulate two of the most common practices: fruit thinning and flower formation. Current and new products.
Jan. 22, 1 p.m. - Matching Rootstocks to Scions and Varieties. Jenny Bolivar, WSU Extension. Major characteristics of common rootstocks. Overview of data of honeycrisp on different rootstocks. Case studies of success.
• Please note that in order to try to accommodate the ability to receive pesticide credits each webinar has individual registration. We apologize for the inconvenience.
• Extension programs and employment are available to all without discrimination. Evidence of noncompliance may be reported through your local Extension office.

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