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Necrosis of Grapevine – Phomopsis viticola

Infected portions of the leaf may turn yellow, then brown - American Phytopathological Society

Grapevine (Vitis) and virginia creeper (Parthenocissus quinquefolia) species are the only known hosts.

Distribution in North America: Canada (Ontario), United States (Florida, New York, California, Pennsylvania)

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