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Washington State University Tree Fruit Extension is offering a webinar series Jan. 18–22. The series is designed to provide information on key horticulture and pest management topics. Co-sponsors are NCW Fieldmen’s Association, NW Pears, NW Cherry Growers.

Registation is availabe at treefruit.wsu.edu/events

For more information contact: Tianna DuPont, WSU Extension, at (509) 293-8758, tianna.dupont@wsu.edu.

Schedule:
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, TBA

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.

*Qualifies for pesticide update credits.