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 ...

The tarnished plant bug is found throughout North America, but it is primarily a pest in temperate nondesert areas. It feeds on more than fifty economically important plants , including alfalfa , cotton, strawberries, ...

The melon (or cotton) aphid, Aphis gossypii, is distributed throughout most of the world. It has been reported to feed on 220 different crops, including many important vegetables (tomatoes, potatoes, cucurbits) and ornamentals ...

Silver scurf, caused by the fungus Helminthosporium solani, is a common disease of potato and is present in all major production areas in the United States. The incidence and severity of silver scurf in New York, and its ...

Potato scab is a common tuber disease that occurs throughout the potato growing regions of the world. Although scab does not usually affect total yields, significant economic losses result from reduced marketability of the ...

Late blight of potatoes and tomatoes, the disease that was responsible for the Irish potato famine in the mid-nineteenth century, is caused by the fungus-like oomycete pathogen Phytophthora infestans. It can infect and ...

Flea beetles are common pests and frequently do serious damage to vegetable crops. Excessive feeding damage by flea beetles can stress and kill young plants. On maturing crops, feeding may scar leaves or fruit, resulting ...