Tree Fruit News – Fruit Matters, April 2023

In perennial fruit trees, most nutrient uptake occurs between bloom and rapid vegetative growth. Sweet cherry root growth starts when soil temperatures reach approximately 59 F during spring, usually after bloom in Washington soils. In…

Written by Bernardita Sallato C., Gary Grove and Alexandra Johnson, Washington State University, August 2021. Reviewed by Dr. Frank Zhao, January 2022. Bacterial canker in sweet cherries is caused by the bacterium Pseudomonas syringae pv….

Trechnites insidiosus generally start to occur during bloom. What are things to know about trechnites?

With bloom opening and warm conditions next week be prepared to manage fire blight for blocks with different risk.

Written by Marcella Galeni, Washington State University–Irrigated Agriculture Research and Extension Center and Carolina Torres, Washington State University–Tree Fruit Research and Extension Center, Wenatchee. Organic apple production in Washington represented 13% of the total harvest…

Honeycrisp Meetup: Crop Load Part 1. Introduction to the Honeycrisp Meetup Series developed in collaboration with Cornell Cooperative Extension, Michigan State University Extension and Washington State University Extension. Part 1. Terence Robinson, Cornell University talks…

With increasing organic acreage and scrutiny of antibiotics use, alternatives to antibiotics for the control of fire blight are necessary. Dr. Ken Johnson, Oregon State University, talked about biopesticide efficacy and their use for the…