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North American Grapevine Yellows Disease: Current Knowledge and Management Recommendations for Wine Growers
North American grapevine yellows (NAGY) is a lethal, insect-transmitted disease of grapevines caused by phytoplasmas (cell wall-less bacteria). North American grapevine yellows occurs throughout the Mid-Atlantic region of the U.S., but it is particularly prevalent in the Blue Ridge and Piedmont regions of Virginia, where it causes significant vine loss in susceptible Vitis vinifera varieties. This publication reviews what is known about NAGY, provides management options based on our current knowledge, and describes ongoing research needed to better understand this complex disease.
Sep 18, 2013 AREC-48P