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 ...

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. ...

Tomato is one of the most widely grown vegetable crops, its planting area ranging from small backyard plots, to much larger field acreages, to more specialized greenhouse trellis operations. Virus diseases, in general, are ...

The soilborne fungus Verlicillium albo-alrum is present in most cool soils of the Northeast and can attack over 200 plant species, especially tomatoes, potatoes, eggplant, strawberries, and black raspberries. Other susceptible ...

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 ...