News Articles

A pest of apples, including ornamental malus species, the apple leafcurling midge larvae feed in the growing shoots, causing gall-like thickening and rolling the leaves. The…

Are you interested in seeing natural enemy and psylla/mite levels in WA and OR pear orchards? Scouting data for 16 WA and OR locations is…

WSU Extension Specialist Karina Gallardo has recently revised the Tree Fruit Extension Economics website. We have also updated the Economics page on our Tree Fruit…

WSDA is offering on-farm technical assistance to train growers on proper calibration techniques that can reduce drift from airblast sprayer applications. Properly calibrated equipment is…

Without any intervention, codling moth numbers increase about four-fold from generation to generation. Therefore, targeting the first generation is important to reset the population size…

Proper identification of damage, defects, diseases, and disorders is the first step in solving the issue and producing quality fruit. Many issues can be difficult to identify…

The following questions arrose during the discussion at the end of the presentation by Dr. Matthew Whiting on Flowering, fruit set, and pollination biology hosted…

One of the most important steps you can take to protect yourself and your workers from COVID-19 and any other disease, is to properly wash…

New research results confirm resistance to Group 11 fungicides. More than half of the powdery mildew isolates had developed various levels of DMI (Group 3)…

Written by Tianna DuPont, WSU Extension. February 5, 2020. Update April 15, 2020. Fig. 1. X Phytoplasma symptoms in Rainier cherries (left) versus healthy cherries…