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 […]
Grape: Brown marmorated stink bug categories: Grape Grape Insects Small Fruits revision date: 2022-12-06 12:00 Brown marmorated stink bug adultPhoto by: M. Bush Biology The brown marmorated stink bug (BMSB) is an introduced pest species from Asia that is spreading quickly across the United States. Nymphs and adults feed on a wide variety of plant […]
Grape: Cutworms and armyworms categories: Grape Grape Insects Small Fruits revision date: 2023-04-12 12:00 Climbing cutworm, dark brown and hairlessPhoto by: K. Grey Biology Cutworms are the larvae of noctuid moths. These common moths are medium-sized with fairly dull coloration. The greenish, grayish, or tan caterpillars are hairless, nocturnal, and generally spotted, striped, or otherwise […]
Grape: Grape erineum mite categories: Grape Grape Insects Small Fruits revision date: 2024-04-08 11:46 Grape erineum mite damagePhoto by: A.L. Antonelli Biology The grape erineum mite (Collomerus vitus) is actually a type of eriophyid mite. They are very tiny, whitish, worm-like, and spindle-shaped. Their bodies have definite annulations or rings, and only two pairs of […]
Grape: Spider mites categories: Grape Grape Insects Small Fruits revision date: 2022-12-06 12:00 Spider mites under microscopePhoto by: L.K. Tanigoshi Biology Spider mites are tiny, eight-legged mites which may range in color from yellowish to green or red. Several species may occur on grape. They typically feed on the underside of leaves, causing a yellowish […]
Grape: Spotted wing Drosophila (SWD) categories: Grape Grape Insects Small Fruits revision date: 2022-12-06 12:00 Spotted wing drosophila larva and fruit damagePhoto by: W. Hoashi-Erhardt Biology Spotted wing Drosophila (SWD) resembles other Drosophila species (fruit flies or vinegar flies) in appearance, but unlike other members of the family which attack only overripe, damaged or decaying […]