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Evaluating grape bud damage prior to winter pruning.
Grape phylloxera is native to eastern United States, but has been distributed to other grape regions of the U.S. and is also established in Europe where it is of great economic importance.
1 603-052-0051 Quarantine; Grape (1) Establishing Quarantine. A quarantine is established against pests and diseases of wine grapes. (2) Area Under Quarantine. All states, districts, and territories of the United States, except Oregon. (3) Commodities Covered.
GRAPE (Vitis vinifera White Riesling, Chardonnay, Pinot Noir, Cabernet Franc) J. W. Travis, N. O. Halbrendt, Botrytis bunch rot; Botrytis cinerea B. Lehman, B. Hed & B. Jarjour Ripe rot; Colletotrichum sp.
Riverbank Grape, Vitis riparia - A high climbing woody vine, native to southeastern Canada and much of the eastern half of the United States. Similar to Fox Grape but with smaller black or purple fruit from August - September.
PHYSIOLOGICAL AND CHEMICAL ECOLOGY Sex Pheromone of Grape Berry Moth (Lepidoptera: Tortricidae) P. WITZGALL, M. BENGTSSON, AND R. M. TRIMBLE1 Department of Plant Protection Sciences, Swedish University of Agricultural Sciences, 230 53 Alnarp, Sweden Environ. Entomol.