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Grapevine Red Blotch Disease

Rick Dunst, Viticulturist, Double A Vineyards, Inc.    Grapevine red blotch-associated virus (GRBaV) is a recently identified virus which represents the latest addition to the long list of graft-transmissible agents that have been discovered in grapevines. This article will summarize what is currently known and not known about red blotch, and the future for the …

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