Vine crops such as pumpkin, squash, cucumber and watermelon are some of New York State’s most valuable vegetable crops. These crops require pollination by bees, the most well-known of which is the honey bee, Apis mellifera. ...

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 ...

Septoria leaf and fruit spot, caused by the fungus Septaria cucurbitacearum, can be an important disease of certain cucurbits grown in the Northeast and Midwest. The fungus can infect the leaves of muskmelon, pumpkin, ...

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, ...

Sclerotinia rot of cabbage (sometimes referred to as white mold) affects cabbage cultivars grown for sauerkraut, storage, and fresh market. The disease is caused by the fungus Sclerotinia sclerotiorum. This fungus can cause ...

Botrytis leaf blight (BLB) is a fungal disease that occurs in many of the onion growing areas of the world. The causal organism, Botrytis squamosa, causes leaf spots (lesions) and maceration of leaf tissue resulting in ...

Bean anthracnose, caused by the fungus Colletotrichum lindemuthianum, is a major disease of beans (Phaseolus vulgaris L.), causing serious crop loss in many parts of the world. In 1921, M. F. Barrus of Cornell University ...

Viruses are the most common causes of diseases affecting cucurbits in New York. These diseases result in losses through reduction in growth and yield and are responsible for distortion and mottling of fruit , making the ...