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Several statewide and regional programs are in place to help with your plant diseases. The OSU Plant Clinic can help you diagnose the problem while the PNW Plant Disease Management Handbook can help with solutions. Several OSU faculty are located throughout the state to also assist with plant problems.

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Grapevine Trunk Diseases in Oregon

A summary of the main trunk diseases causing issues in Oregon and management methods.

By Melodie Putnam, | Article

Eyespot of Wheat: How to identify and control this common fungal disease

Eyespot is a fungal disease that causes losses of up to 50 percent in winter wheat fields. The disease is also called strawbreaker foot rot. Learn the steps you can take to keep eyespot of wheat from infecting fields, and to limit its spread.

By Duncan Kroese, Christina Hagerty | OSU Extension Catalog

Climate change anomaly intensifies Swiss needle cast in some Douglas-fir forests

Dec 18, 2018
The fungal disease reacts favorably to the wet, foggy environment on the west slope of the Oregon Coast Range.

By Kym Pokorny | News Story

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Have a Question? Ask an Expert!

Ask an Expert is a way for you to get answers from the Oregon State University Extension Service. We have experts in family and health, community development, food and agriculture, coastal issues, forestry, programs for young people, and gardening.

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My pears have rust, what can I do?

Last year crop was a total failure due to this. This year I have gently removed close to 6 small fruit starts. I just found some leaves on the pear with these spores. I have been treating the soil and the tree with neem granules, for soil, and neem oil spray for leaves and branches and fruit....

By Jean R. Natter | Featured Question