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Powdery Mildew of Grapes in Washington EB1202   Author(s): Dennis A. Johnson and M. Ahmedullah Wine grapes (Vitis vinifera) are susceptible to powdery mildew caused by the fungus (Uncinula necator). Full color photographs and clear, short discussion explain the symptoms and management of the disease. NOTE: Check labels before using chemical agents. Publisher: Washington State University Extension Publications Published: October 1991.   2 pages.   In Stock         Purchase: Price: $1.00  See also...  Grow Your Own Native Landscape: A Guide to Identifying, Propagating & Landscaping with Western Washington Native Plants More Info Our Price: $8.00  Washington Forest Products Industry: Current Conditions and Forecast 2004 More Info Our Price: $0.00  How to Identify Rhododendron and Azalea Problems More Info Our Price: $6.00

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