Early blight (EB) is a disease of potato caused by the fungus Alternaria solani. It is found wherever potatoes are grown. The disease primarily affects leaves and stems, but under favorable weather conditions, and if left ...

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 ...

Septoria leaf spot of tomato caused by the fungus Septaria lycapersici occurs on tomatoes worldwide. The fungus infects only solanaceous plants, of which tomato is the most important. Tomatoes may often be infected with ...

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 ...

Botrytis blight, or gray mold, as it is commonly known, has an exceptionally wide host range with well over 200 reported hosts. The fungus can occur as both a parasite and a saprophyte on the same wide range of hosts. This ...

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 ...

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 ...