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 ...

The larvae of several Lepidoptera are collectively called green fruitworms because of their general appearance and tendency to damage apple and pear fruit. One species, Orthosia hibisci, which will be referred to as the ...

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 grape rootworm (abbreviated GR) is a native species of leaf beetle that occurs from the Atlantic Seaboard states to North Dakota, Nebraska, Kansas, and Texas. The wild hosts of this pest are grapes (Vitis spp.), Virginia ...

Bacterial diseases of tomatoes can be some of the most serious and destructive diseases affecting both field- and greenhouse grown crops. Under moist field conditions they can cause localized epidemics affecting young ...

Grape tumid galls, also called grape tomato galls, are caused by larvae of a small fly known as the grape tumid gallmaker (GTG). This pest is native to the northeastern United States and southeastern Canada. It infests ...

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 ...

Cattle lice are among the most important arthropod (insect and mite) pests affecting dairy cattle in New York State and elsewhere in the United States. Lengthy, cool winters are particularly favorable to populations of ...

Botrytis fruit rot, also called gray mold, is a major disease of strawberries throughout the world. The disease, caused by the fungus Botrytis cinerea. is responsible for fruit losses of 50 percent or more during cool, wet ...

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 ...