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Okanogan Horticultural Society Meeting

February 7, 2023 @ 9:00 am - 3:30 pm


Join us for Okanogan Horticultural Society Day. We plan to have a full day of pest management and horticultural information for you. 4 WSDA pesticide update credits will be available pending WSDA approval.

Co-sponsored by:  WSU Extension and Okanogan County Horticultural Association

No pre-registration required.


  • Apple Maggot
  • Update on Invasive Insects
  • X-disease Vector Management
  • Spotted Wing Drosophila
  • Pear IPM
  • Labor Management
  • Making Capital Investment Decisions

and More!


4  WSDA pesticide update credits pending approval.


In person event.

Agenda (Draft)

Okanogan Horticultural Assoc. Annual Meeting
February 7, 2023
Okanogan County Agriplex (County Fair Grounds)
175 Rodeo Trail, Okanogan, WA 98840
4 WSDA pesticide update credits pending approval.
Sponsored by the Okanogan County Horticultural Association.

9:00 AM Apple Maggot – Current Status and Quarantine Impacts Panel
Will Carpenter, Pest Board; Mike Bush, WSDA, Jon Devaney, Apple Maggot Subcomitee, Washington State Tree Fruit Association
What is the current status of apple maggot in Okanogan County? What measures are being done to contain apple maggot? Potential quarantine restrictions.

9:40 AM Invasive & Emerging Insects Update
Betsy Beers, WSU Entomology
Brown marmorated stink bug, Spotted lantern fly, Apple leaf curl midge, and more.

10:10 AM Break

10:30 AM X-disease Vector Management in Washington State
Tobin Northfield, WSU Entomology
Identifying the leafhopper vectors of X-disease, statewide distribution and seasonal infectious levels, monitoring, cultural controls and efficacious spray rotation.

11:00 AM Spotted Wing Drosophila and Western Cherry Fruit Fly Management
Beers lab
Best management practices for Western Cherry Fruit Fly (WCFF). Organic post harvest management of SWD and WCFF. Introduction to new SWD baits. Identification tools.

11:30 AM Codling Moth

12:10 PM Lunch Okanogan Catering, sponsored by Nutrien Ag

12:50 PM Opportunities Okanogan Conservation District
Jordana Ellis, Okanogan Conservation District

1:00 PM Integrated Pest Management and How it Works for Pear Psylla and Mites
Robert Orpet, WSU Entomology

1:30 PM Making Capital Investment Decisions
Jon Driver, WSU Extension
Two examples of how to use relevant cash flows to determine the financial feasibility of an investment.

2:00 PM Tree Architecture, Deleafers, Hedging and Platforms to Optimize Labor
Karen Lewis, WSU Extension

2:30 PM Current Status of Laws Impacting Labor
Pam Lewison, Washington Policy Center Initiative on Agriculture

2:50 PM Strategies to Increase Labor Availability
Diana Fernandez, WAFLA

3:15 PM Closing and Credits



Vendors contact Corbin Moser to reserve your space at the trade show (509) 560-9389

 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.

 All agendas are draft and subject to change.


February 7, 2023
9:00 am - 3:30 pm


WSU Extension – Tianna DuPont
(509) 293-8758


Okanogan County Agriplex
Omak, WA United States + Google Map
Washington State University