News Articles
Optimization of Light Interception, Leaf Area and Yield in “WA 38”: Comparisons among Training Systems, Rootstocks and Pruning Techniques – A Summary
Written by Brendon Anthony, Sara Serra, and Stefano Musacchi, WSU TFREC, Wenatchee, WA. June 2020. Proper modern management of orchards should include the simplification of…
Fruit set and S-alleles in pear
Written by Ryan Sheick and Stefano Musacchi, WSU Tree Fruit Research and Extension Center, Wenatchee. June 2020. Introduction European pear (Pyrus communis L.) is an…
X-disease Phytoplasma & Little Cherry Virus Scouting & Sampling
It is critical to scout and sample for X-disease phytoplasma and Little cherry virus-1, 2 this year in order to stop the spread of the…
Apple Leafcurling Midge
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…
Online Pear IPM Insect Data
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…
Airblast Sprayer Calibration and Configuration
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…
How to Effectively Manage Codling Moth
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…
Q & A from “Flowering, fruit set, and pollination biology”
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…
Current Status of the Powdery Mildew Fungicide Toolbox in Cherries
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)…
X Phytoplasma Epidemic
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…
