News Articles
Plan for Multiple Fire Blight Conditions, Be Agile
With bloom opening and warm conditions next week be prepared to manage fire blight for blocks with different risk.
WSU Decision Aid System Update April
In early Spring, one of the most important models to watch is tree bloom. The apple, pear, blueberry, and grape models have all started; use…
USDA Organic Materials Comment Period Now Open
Sanitizers, calcium chloride, pear ester, and other materials important to organic tree fruit are open for public comment this month to the USDA National Organic…
Introducing Two New Tree Fruit Extension Educators
The Tree Fruit Extension Team is happy to introduce two new Extension Educators, Lexie McDaniel, PhD, Horticulture Extension Educator and Dattatray Bhalekar, PhD, Horticulture Technology…
What’s budding across the country?
Catch the first SPARC Orchard Roundup podcast for a roundup of phenology updates from PA, NY, WA, MI and ME!
OSU Tree Fruit Economics Symposium
Join us for the Tree Fruit Economics Symposium on April 8, 2026, at the Columbia Gorge Discovery Center in The Dalles.
Metamitron: A New Postbloom Thinning Agent for WA Apples and Pears
Chemical thinning can be tricky, even when you have a lot of experience with a given product. Here are some things we have learned in…
Using Insect Growth Regulators as a Tool in Pear IPM
Integrated pest management (IPM) uses cultural and biological as well as insecticidal controls and employs monitoring and economic thresholds. Insect growth regulators can be used…
2026 WA Tree Fruit Research Commission Grant Awards for Apple Crop Protection
For 2026, the WA Tree Fruit Research Commission approved $271,515 to help fund four (4) new Apple Crop Protection projects.
2026 WA Tree Fruit Research Commission Grant Awards for Apple Horticulture and Postharvest
For 2026, the Washington Tree Fruit Research Commission approved $182,260 to help fund four (4) new Apple Horticulture and Postharvest projects.
