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Botrytis Bunch Rot & Blight
(New York State IPM Program, 1984)
Botrytis bunch rot and blight of leaves, shoots and blossom clusters, also called gray mold, occurs throughout the viticultural world. The fungus causing the disease grows and reproduces on senescent or dead plant tissue. ...
Angular Leaf Scorch
(New York State IPM Program, 1992)
Angular leaf scorch was first described in 1985. Its symptoms are similar to those of rotbrenner, a disease of grapevines found in the cool grape-growing regions of Europe such as Austria, Germany, the Alsace and Champagne ...