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University Category: Fungus

Western WA – Building Better Spray Programs

Description Fungicide resistance to Powdery mildew and Botrytis bunch rot is a growing concern for grape producers. Developing spray programs that focus not only on…

FRAME Powdery Mildew Sampling Workshop – Lake Chelan, Washington

This mini-workshop is being co-organized with Chelan-area growers in Washington State. The FRAME team is interested in a concentrate effort in tracking and managing fungicide…

Grower Information

Powdery Mildew and Fungicide Resistance Testing Field Sampling Instructions Grape powdery mildew sampling instructions - Using the cotton swab or the glove method  (PDF) Video…