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Tree Fruit News March 12, 2018


2018 Adult Pear Psylla Bioassays

Psylla and mite bioassay results for early season sprays from Dr. Louis Nottingham and Dr. Elizabeth Beers. These results are part of a larger Pear IPM project. For additional results see

Apply Mating Disruption for Codling Moth

Mating disruption dispensers should be in place before the start of bloom.

Full Bloom Dates for Red Delicious Apples

Current degree days for Wenatchee are 445, + 35 from 30 year average and -154 from 2020 (March 21, 2021).


Codling Moth

by Jay Brunner, originally published 1993, revised 2018. Cydia pomonella (Linnaeus) (Lepidoptera: Tortricidae); Codling moth belongs to the family Tortricidae. This is one of the largest families of moths, with about 950 North American species….


WSU Postharvest Fruit School

The 2018 Post-harvest Fruit School is an excellent opportunity for warehouse and other professionals in the tree fruit and berry industries to deepen and develop their knowledge of post-harvest science and management with lectures, expert…


WSU Postharvest Fruit School March 20 @ 8:00 amMarch 22 @ 5:00 pm Wenatchee and Prosser

Irrigation Water Management Workshop – Spanish March 27 @ 9:00 am4:00 pm Hood River, OR

Irrigation Water Management Workshop – Spanish March 28 @ 9:00 am4:00 pm Hood River, OR

PSA Grower Training – Spokane  April 2 @ 8:00 am5:00 pm WSU Spokane Academic Center


Karen Lewis

Gwen Hoheisel

Tory Schmidt

Ines Hanrahan

Wendy Jones

Tianna DuPont

David Granatstein

Bernardita Sallato

Washington State University