The gray garden slug was introduced from Europe during the 1800s. It has become a common pest of vegetables, field crops, and ornamentals throughout the United States and Canada. It is a close relative of the marsh slug, ...

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 ...

The marsh slug is native to North America, and is also found in South America, Europe, and Asia. It is a relative of the gray garden slug, Deroceras reticulatum (Muller), and shares manyaspects of its biology. Both are ...

Carrot leaf blights are caused by two fungal pathogens, Alternaria dauci and Cercospora carotae and one bacterial pathogen, Xanthomonas campestris pv. carotae. Since any combination of the three pathogens may occur in a ...

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 ...

Traps baited with sex pheromones, the chemicals usually emitted by female insects to attract males of the same species for mating, have become a valuable tool for monitoring pest populations in survey and integrated pest ...

Common rust of sweet corn is caused by the fungus Puccinia sorghi. Epidemics of this disease can cause serious losses in yield and quality of sweet corn. High rust susceptibility of many popular sweet corn hybrids is a ...

The European corn borer is a major pest of corn and feeds on over 200 plant species including many weeds. This insect generally produces generations in June and August in most areas of the United States and the northeast. ...

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 ...