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76th Annual Lake Chelan Horticultural Meeting

January 21, 2023


Tree fruit producers and industry professionals are invited to the 76th Annual Lake Chelan Horticultural Meeting on Saturday January 21, 2023 at Chelan High School.

This event is part of five WSU Tree Fruit Extension Programs in North Central Washington on January 17, 18, 19, 21 and February 7, 2023 Co-sponsored by Northwest Cherries, Pear Bureau Northwest, NCW Fieldmen’s Association, Chelan High School FFA 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.

Co-sponsored by WSU Extension and Chelan High School FFA


4 pesticide education credits will be awarded for program attendance depending on final WSDA approval.


  • Planting Considerations
  • Bi-annual Bearing 101
  • Stone Fruit Viruses
  • Strategies for Pests from 2022
  • Smart Orchard Technology

and More!


In person only event.

Agenda (Draft)

76th Annual Lake Chelan Horticultural Meeting
Saturday January 21, 2023 @ 9:00am-3:30pm
Chelan High School, 215 Webster Ave, Chelan, WA 98816
4 WSDA and ODA pesticide update credits.

9:00 AM Replanting Considerations
Tianna DuPont, WSU Extension
Replant disease, phytophthora, and nematodes. Protection from winter injury. Avoiding rodents. Irrigation of young trees. Timing plantings. Rootstock, soil, location considerations.

9:30 AM X-disease and Little Cherry Virus Management
Scouting, sampling, vector management, tree removal, and replanting.

10:00 AM Break

10:15 AM From Campyloma to Cut Worms – Strategies for Pests from 2022
Betsy Beers, WSU Entomology

10:50 AM Integrated pest management and how it works for pear psylla
Robert Orpet, WSU Entomology
Psylla and mite management recommendations for early spring, summer and fall management.

11:35 AM Bi-annual Bearing 101
Tory Schmidt, Washington State Tree Fruit Research Commission
Thinning, physiology, PGRs, pruning to avoid and remediate bi-annual bearing.

12:05 PM Lunch

1:05 PM Codling Moth Management
Rob Curtis, WSU Entomology (pre‐recorded)
Effective codling moth management as a basis for apple IPM. Mating disruption, monitoring, organic
controls. New research.

Labor Efficiency and Technology for Increased Profitability
1:35 PM Smart orchard: Tools to monitor crop water use
Lav Knot, WSU Biological Systems Engineering
What are the tools? Ground and aerial systems imagery, ground truthing. What works? Does and donts with using the tools?

2:05 PM Smart orchard: soil mapping and testing methods
Bernardita Sallato, WSU Extension
Managing variability in orchards is key in precision agriculture to reduce crop losses and improve profitability. Soil mapping is an important component in understanding that variability, but what tools would work best for my orchard?

2:35 PM Deleafers for High Color Fruit
Karen Lewis, WSU Extension

3:05 PM Closing and Pesticide Credits

Trade Show

To join the trade show please contact the FFA BREANNE HANSON <>

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


January 21, 2023


WSU Extension – Tianna DuPont
(509) 293-8758


Chelan High School
Chelan, WA United States + Google Map
Washington State University