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 ...

The cabbage looper is native to the United States and feeds on many cultivated vegetables, including all members of the cabbage family. This pest survives the winter only in the Gulf States. The adults migrate northward ...

The sugar-beet cyst nematode, Heterodera schachtii, was first discovered on red beets in Syracuse in 1961 and near Lyons, New York, in 1970. This nematode is now known to be distributed throughout the red beet- and ...

Diagnosis of nematode damage and management on an as-needed basis requires assessing nematode soil infestation levels in representative soil samples collected from the target field or a section of the field. Inclusion of ...

Onion thrips are present throughout the United States and in many other parts of the world. They feed on numerous vegetable plants, weeds, and field crops. In northeastern United States, they are a perennial pest of onions ...

Phytophthora blight of pepper is caused by the fungus Phytophthora capsici. Other names applied to this disease of peppers are damping off and Phytophthora root rot, crown rot, and stem and fruit rot. All of these names ...

Gummy stem blight, caused by the fungus Didymella bryoniae as the sexual stage (perithecia giving rise to ascospores) and Phoma cucurbitacearum as the asexual stage (pycnidia producing conidia), is a common disease of all ...

Most seedborne pathogens can cause substantial reductions in yield or quality in the subsequent crop. However, some diseases such as late blight, ring rot and leafroll have the potential to spread quickly through the crop ...