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Apple Day

January 19, 2017

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Apple Day is still on and all speakers talking.

Co-sponsored by North Central Washington Fieldmen’s Association

Tree fruit producers and industry professionals are invited to the North Central Washington Apple Day on January 19, 2017 in Wenatchee, WA. Topics include: Mechanization, Geneva Rootstocks, Apple Fertility, Sunburn Management, Brown Marmorated Stink Bug, Post Harvest Disease Management, Codling Moth, Fire Blight, Woolly Apple Aphid.

This event is part of five WSU Tree Fruit Extension Programs in North Central Washington on January 16, 17, 18, 19 and February 7. Co-sponsored by the Northwest Cherries, Pear Bureau Northwest, NCW Fieldmen’s Association 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.

Agenda (Draft, Speaker Times may change)

8:45- 9:00 New Tree Fruit Resources

9:00-9:40 Mechanization in Apples

Karen Lewis, WSU Extension

9:40-10:10 Geneva Rootstocks*

Disease resistance; +/- of available Genevas; how they compare to M9 sizes; G935 issue; impact on water and nutrient uptake.

Tom Auvil, Tree Fruit Research Commission

10:10-10:30 Coffee Break

10:30-11:15 Apple Fertility and Fertigation

Nutrient needs by cropload; what should my soil test look like; what does my tissue test tell me; why is fertigation a good choice for N; how much N,P,K,B to fertigate; special case of young trees.

Denise Neilsen, AgriFood Canada

11:15-11:40 Importance of timing and trap counts for Codling Moth Management *

How many traps to use. What trap counts tell us. Larvae and eggs as targets. New lures to add. DAS. Myth buster.

Vince Jones, WSU Entomology

11:40-12:05 Brown Marmorated Stink Bug*

Betsy Beers, WSU Tree Fruit Entomology

Noon-1:00 Lunch

1:00-1:30 Post Harvest Disease in Apple – Start Management in the Field*

Achour Amiri, WSU Plant Pathology, TFREC

1:30-2:00   Sunburn Management

Sunburn physiology; overhead cooling; netting; clay.

Lee Kalscits, WSU Horticulture, TFREC

2:00-2:30 Fire Blight*

Why was 2016 such a bad year? Preventative programs in problem areas for 2017.

Common questions and answers.

Tianna DuPont, WSU Extension

2:30-3:00   Woolly Apple Aphid*

Robert Orpet, WSU Entomology

 3 Pesticide education certification credits awarded for program attendance.


January 19, 2017


WSU Extension – Tianna DuPont
(509) 293-8758


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