Grape Diseases

Grape: Botrytis bunch rot (Gray mold) categories: Grape Grape Diseases Small Fruits revision date: 2022-12-06 12:00 Botrytis bunch rot (gray mold) on grapePhoto by: Univ. of Georgia/bugwood.org Biology This fruit rot is caused by a fungus which also causes disease in strawberries, raspberries, and many other plants. In grapes, the disease is typically limited to […]

Grape: Powdery mildew categories: Grape Grape Diseases Small Fruits revision date: 2022-12-06 12:00 Powdery mildew on grapePhoto by: R.S. Byther Biology Powdery mildew is a fungal disease which affects all aboveground portions of grapes. Leaves develop characteristic white to grayish patches of fungus on the underside. Both surfaces of shaded leaves may be affected. Young […]