News Articles
Monitor and Manage Vectors of X-disease phytoplasma
Both leafhopper population numbers and X-disease phytoplasma concentration in the tree are likely to be higher after harvest. When phytoplasma concentration in the tree is…
Cold weather can be tough for trees and for bees. Strong colonies and lots of them is a good place to start
Cold temperatures keep bees from flying. This topic of bee flight and temperature comes up a lot. Almost everything I read says bumble bees and…
Using the Pear Psylla Phenology Model for “soft” (IPM) Programs
Using the pear psylla phenology model in the WSU Decision Aid System can increase the effectiveness of a pear psylla IPM program (i.e., a “soft”…
What does the X-disease/Little Cherry Disease Test Results Numbers Means in Terms of Disease Progression?
Summary by Corina Serban, WSU Extension, Scott Harper, WSU Plant Pathology. May 3, 2022. Updated June 2, 2023. The little cherry and X-disease outbreak has…
Blue orchard bees
As early spring bees, BOBs are better adapted for flying under poor weather conditions than most other bees. BOBs forage and pollinate under overcast skies…
Summary of WSU session on cold weather effects on pollination, fruit set, and hardiness in apples and cherries.
On April 12, 2022, Matthew Whiting, Professor in the Horticulture Department, and Bernardita Sallato, Tree Fruit Extension Specialist, at Washington State University, hosted a meeting…
Crop Load Management: Back to Basics
A brief overview of your opportunities as growers to set yourself up for success in crop load management.
Honey Bee Management in Tree Fruit Orchards
An update on honeybee management for tree fruit orchards from Tim Lawrence, WSU Extension, and Tory Schmidt, WA Tree Fruit Research Commission.
Titer and Distribution of Candidatus Phytoplasma pruni in Prunus avium
The parallel outbreak of Little Cherry and X-disease has become a singular threat to the PNW cherry industry, causing the removal of ca. 1000 acres…
Rootstock and Nutrient Imbalance Leads to ‘‘Green Spot’’ Development in ‘WA 38’ Apples
Green spot is a disorder that can lead to considerable losses for growers of ‘WA 38’ apples, here we summarize key findings on GS in…
