The stalk borer is a native American insect which was mentioned as a pest in Massachusetts and Pennsylvania prior to 1852 when it was first described as a species. The stalk borer belongs to the large group of noctuid or ...

The green peach aphid (GPA) is distributed worldwide and has a host range of over 400 species of plants. In the United States, green peach aphid is a serious pest of vegetables and potatoes. Economic damage results from ...

Potatoes are a vegetatively propagated crop, and many disease organisms including several viruses and a viroid are disseminated in tubers. The important role that tubers play in virus spread is recognized by the strict ...

The potato stem borer was first reported as an economic pest in the United States in 1975. A native of Europe, Siberia, and Japan, it was accidentally introduced into the maritime provinces of Canada before 1908. The insect ...

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 ...

Tomato spotted wilt virus (TSWV) causes serious diseases of many economically important plants representing 35 plant families, including dicots and monocots. This wide host range of ornamentals, vegetables, and field crops ...

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 ...