The diamondback moth, introduced into the United States from Europe, is a worldwide pest of cruciferous crops. The larvae attack a wide range of cole crops including: cabbage, cauliflower, rape, kale, turnip, and brussels ...

Early blight (EB) is a disease of potato caused by the fungus Alternaria solani. It is found wherever potatoes are grown. The disease primarily affects leaves and stems, but under favorable weather conditions, and if left ...

Downy mildew (DM) attacks onions in many parts of the world. It can become severe on leaves of commercially grown onion plants and on leaves and seed stalks of onions grown for seed, especially when relatively cool, moist ...

Anthracnose, caused by the fungus Colletotrichum lagenarium, is a destructive disease of cucurbits occurring during warm and moist seasons. Significant damage can occur to cucumber, muskmelon, and watermelon unless resistant ...

Only two virus diseases are currently recognized as infecting sweet corn in New York. They are maize dwarf mosaic virus (MDMV) and maize white line mosaic virus (MWLMY). MDMV has been present in the state since the late ...

The Colorado potato beetle, a native American insect, has spread around the world since its discovery in 1824 on the eastern slopes of the Rocky Mountains in the Colorado-Nebraska area where it fed on a weed in the potato ...

Internal tipburn of cabbage can be an economic problem in the United States and northern Europe. Although this disorder has probably occurred to a limited extent for a long time, the incidence has become more frequent in ...

The potato leafhopper (PLH) is a serious pest of vegetable, forage, and fruit crops in the eastern and midwestern United States. PLH does not overwinter in the northern portion of its infestation range, since the insect ...

Black dot disease of potato, caused by the fungus Colletotrichum coccodes, is generally considered to be a weak root pathogen of potato. Recent studies in New York and elsewhere have revealed, however, that this disease ...

The imported cabbageworm, a native of Europe, has become a major perennial pest throughout the United States and Canada since its discovery in North America in 1860. The cabbageworm attacks cabbage, broccoli, cauliflower, ...