Grapevine Leafroll Disease

Grapevine leafroll is a very complex viral disease. This publication addresses various aspects of disease symptoms, accurate diagnosis, vector management, and the absolute necessity of taking preve ...

SKU: EB2027E
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Pest Management Guide for Grapes in Washington

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Guide to control of diseases, insects, weeds, and vertebrate pests on commercial grapes. Weed controls - both soil-active and foliage-applied herbicides - are outlined for new and established plantings. Disease and insect controls are coordinated to pest and crop stage.
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Powdery Mildew in Western Washington Commercial Grape Production: Biology and Disease Management

There are few plant diseases that have the same combination of international distribution and importance as grapevine powdery mildew (PM), which is present almost anywhere that susceptible grape varieties are grown.
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Blackleaf in Grapes

Recent research shows that blackleaf in grapes is due to a combination of water stress and high UV-B radiation. Learn how to identify and control this disease in Concord and winegrapes by addressin ...

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Powdery Mildew in Eastern Washington Commercial Grape Production: Biology and Disease Management

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