Cherry: Mottle leaf categories: Cherry Cherry Diseases Tree Fruits revision date: 2022-12-05 12:00 Cherry mottle leaf virus symptoms on leavesPhoto by: R.S. Byther Biology Mottle leaf is a virus disease of cherries. Symptoms are seen mainly on the leaves, which are puckered and mottled with light green to yellow blotches between the veins. The mottling […]
Cherry: Necrotic rusty mottle categories: Cherry Cherry Diseases Tree Fruits revision date: 2022-12-05 12:00 Necrotic rusty mottle symptoms on cherry leavesPhoto by: R.S. Byther Biology Necrotic rusty mottle is believed to be caused by a virus. Affected trees are slower to leaf out and bloom in the spring. Terminal buds may be killed and the […]
Cherry: Powdery mildew categories: Cherry Cherry Diseases Tree Fruits revision date: 2022-12-05 12:00 Powdery mildew on leafPhoto by: G.G. Grove Biology Powdery mildew attacks leaves, young shoots, and fruit. This fungal disease initially produces a light green, circular spot on either leaf surface. Later, a characteristic white, powdery coating of the fungus appears, typically on […]
Cherry: Prunus necrotic ringspot categories: Cherry Cherry Diseases Tree Fruits revision date: 2022-12-05 12:00 Prunus necrotic ringspot virus symptomsPhoto by: M.L. Putnam Biology Prunus necrotic ringspot is a viral disease affecting most cultivated Prunus species. Leaves may show various symptoms including brown, sunken, necrotic spots; chlorotic (yellowish to white) blotches or other patterns; or dark […]
Cherry: Shothole (Coryneum blight) categories: Cherry Cherry Diseases Tree Fruits revision date: 2022-12-08 12:00 Coryneum blight symptoms on leaves and fruitPhoto by: R.S. Byther Biology Shothole is a fungal disease typically attacking leaves and fruit on cherry. Lesions on leaves are initially small, purplish, round to oval areas which expand into brown spots with light […]
Cherry: Verticillium wilt categories: Cherry Cherry Diseases Tree Fruits revision date: 2022-12-05 12:00 Vascular discoloration in branch from Verticillium wiltPhoto by: C.R. Foss Biology Verticillium wilt is caused by a soilborne fungus. It infects via the roots and then spreads throughout the plant. Aboveground symptoms include suddenly wilted yellow or brown foliage which hangs on […]
Cherry: Witches’-broom (Cherry leaf curl) categories: Cherry Cherry Diseases Tree Fruits revision date: 2022-12-05 12:00 Witches’ broom symptoms on cherry branchesPhoto by: R.S. Byther Biology Witches’-broom disease of cherry is a fungal disease similar to peach leaf curl. Infected branches develop large, dense, broomlike tufts of foliage. These branches typically do not produce flowers or […]
Cherry: Apple-and-thorn skeletonizer categories: Cherry Cherry Insects Tree Fruits revision date: 2022-12-05 12:00 Apple-and-thorn skeletonizer caterpillar feeding on leafPhoto by: A.L. Antonelli Biology The adult of the apple-and-thorn skeletonizer is a small dark-brown or reddish-brown moth. The skeletonizer overwinters as a pupa or an adult, with the females laying eggs in the spring. The caterpillars […]
Cherry: Black cherry aphid categories: Cherry Cherry Insects Tree Fruits revision date: 2023-04-04 12:00 Curled, distorted leaves from black cherry aphid feedingPhoto by: A.L. Antonelli Biology The black cherry aphid is a shiny, black, pear-shaped insect. Sweet cherry is the preferred host. The soft-bodied aphids feed in colonies on the tips of new growth, causing […]
Cherry: Brown marmorated stink bug categories: Cherry Cherry Insects Tree Fruits revision date: 2023-04-04 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 […]