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Pear Day – North Central Washington Tree Fruit Days

January 16 @ 8:45 am - 3:30 pm

Join WSU Extension for the latest research-based information. 4 WSDA and ODA pesticide update credits. Hybrid In-person and Virtual event. Co-Sponsor Pear Bureau Northwest.

North Central Washington Tree Fruit Days

Join us for WSU Tree Fruit Extension Programs in North Central Washington. Co-sponsored by Northwest Cherries, Pear Bureau Northwest, NCW Fieldmen’s Association, Chelan Future Farmers of America 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. Apple, Pear and Cherry Day will be held in Wenatchee, WA January 16-18, 2024 with a virtual webinar option. Okanogan Horticultural Day Feb 7, 2024.


Events in 2024 will be held in person with a virtual option through zoom webinars for Apple, Pear and Stone Fruit Days.

Pear Day Topics

Session 1: Pest and Disease Management

  • Managing Mites in Pears
  • Phenology-based Pear IPM Panel
  • Scouting and Thresholds Panel
  • Honeydew Washing Panel

Session 2: Preventing Pathogens

  • Fire Blight Management in Pears

Session 3: Production, Quality and Profits

  • Marketing
  • High Density Pears Panel


4 pesticide update credits will be available per day. Approved for WSDA and ODA.


Registration is required for virtual webinar attendance. In person attendees are welcome to register to have a back-up attendance method through the webinar link. Walk-ins okay for in person participation. Register for virtual attendance. In person event is free (sponsored, a $60 value). Virtual attendee registration fee ($20 per event) covers cost of audio visual technician/live streaming for event.


Join us for the sponsored networking lunch sponsored by Nova Source. Provides an opportunity to learn and network with your peers and visiting speakers. Sponsored lunch limited to the first 100 attendees per day. Register here.


NCW Pear Day
January 16, 2024 @ 9:00am-3:30 pm
Wenatchee Convention Center 121 N Wenatchee Ave, Wenatchee WA/ Virtual
4 WSDA and ODA pesticide update credits
Hybrid in-person and virtual event. Co-sponsored by Pear Bureau Northwest.

Session 1: Pest Management

9:00 AM Managing Mites in Pears
Rebecca Schmidt-Jeffris, USDA ARS
Spider mite, rust mite, blister mite. How different Ais work. Efficacy. Pesticide effects on natural enemies. Weed associations. Pesticide
impacts on outbreaks.

9:30 AM Phenology-based IPM Panel
A panel discussion with Darin Palmer, Sam Parker, TBD facilitated by Robert Orpet and Molly Sayles.
What sprays were applied? What was the psylla population? What benefits/drawbacks were seen for mite management? How did
cultural controls suckering and washing contribute?

10:10 AM Scouting and Thresholds Panel
Neil Johnson, Chris Strohm, Dave Brunett. Intro and facilitator Ricardo Lima Pinto.
How growers and consultants used scouting data and thresholds for psylla management decsions in 2023.

10:50 AM Break

11:10 AM Honeydew Washing Panel
A panel discussion with Dillon Miller, Josh Hill, Chet Walker, TBD. Moderator Tianna DuPont.
System design. Benefits. Challenges. Improvements. Costs.

11:40 AM Incorporating Thresholds into Your Pear Pest Management Program
Tianna DuPont, WSU Extension

12:15 PM Elections

12:30 PM Lunch

Session 2: Preventing Pathogens

1:30 PM Fire Blight Management in Pears
Aina Baro Sabe, WSU Extension
What worked and did not work in 2023. 2024 outlook. Organic fire blight management. Research updates.

2:00 PM Decay Prevention Strategies
Achour Amiri, WSU Plant Pathology
19 levers to pull from field to warehouse.

2:30 PM Break

Session 3: Production, Quality and Profits

2:45 PM High Density Pears Panel
Greg Hardnen , Rudy Prey. Moderator Bob Gix

3:15 PM Marketing Panel
Mike Taylor, Stemilt; Sarah Barkley CMI; Saquib Ahsan, USDA Office of Global Market Analysis
Consumer trends and demographics. What are our consumers looking for? Current marketing strategies.

3:45 PM Closing and Pesticide Credits


To join the tradeshow please contact the NCW Fieldmen’s association at


Rebecca Schmidt-Jeffris, Research Entomologist USDA ARS. Her lab focuses on biological control of arthropod pests of tree fruit, including apples, pears, and cherries.

Tianna DuPont is a Tree Fruit Extension Specialist. Her work focuses on helping growers understand and apply research based solutions for tree fruit pests and pathogens.

Robert Orpet has been a pear entomologist at WSU TFREC since 2019. He manages experiments and talks with people to create and share knowledge on how to integrate biocontrol, cultural tactics, and chemicals for pest management.

Achour Amiri is an Associate Professor in the Department of Plant Pathology at Washington State University. He focuses on tree fruit diseases in Washington State and Pacific Northwest with a focus on applied epidemiology of major pathogens in orchards and its linkage to post-harvest disease problems.

Saquib Ahsan is an agricultural economist at the Trade and Economic Analysis division at the USDA Foreign Agricultural Service.

Credits Q&A

WSDA and ODA pesticide update credits have been approved for the workshop. To receive credits for online attendance, participants must:

  1. Register each participant including pesticide license information. Make sure registrant name matches name on license.
  2. Attend the full morning session. The webinar software tracks the number of minutes each attendee has participation. 3 credit sessions require 150 minutes of pesticide related content.
  3. Respond to poll questions and check-ins during the workshop.

Common Zoom Problems and Trouble Shooting

  • Cannot enter the webinar.
    • Early? If you are early you will receive a message that the meeting has not started yet. Just wait and we will have webinar open soon.
    • Enter the passcode: you can attend the meeting without a zoom account, but you have to enter the passcode to get in. Passcode: 1111.
  • All online participants will be required to have a zoom account to sign in due to WSU security policies. Go to to sign up (free) and don’t forget to check your email to confirm. Please make sure to sign in early and check that zoom is working for you and that recent updates have been downloaded.
  • No sound
    • Check your audio settings in zoom. Click on the up arrow close to the microphone icon at the bottom of your screen. Choose audio settings and check that you have the correct speaker and microphone checked.
    • Check your audio in your computer settings.
  • Still having trouble. Call (509) 293-8792. Note these phone numbers will be forwarded to volunteers during the hour before and after the webinar starts as Tianna will be running the meeting.

Common questions:

  • Can I have multiple people watching on one computer? The webinar host can only verify attendance for each logged in participant. If it is not possible for each participant to login separately, please contact Tianna (509) 713-5346 in advance to designate a host for your site who can verify attendance.


January 16
8:45 am - 3:30 pm


WSU Extension – Tianna DuPont
(509) 293-8758


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