College of Agricultural, Human, and Natural Resource Sciences

Department of Plant Pathology

Researchers uncover secrets of destructive plant virus

Hanu Pappu, a Washington State University professor, and a colleague from Australia have deciphered the inner workings of one of the world’s most destructive crop viruses.

Tomato spotted wilt virus (TSWV) is a global pest estimated to cause more than $1 billion in crop losses each year. Like the other 25 known tospoviruses, TSWV is spread by thrips, tiny black-winged insects that feed on the sap of many food, fiber and feed plants including bean, lettuce, peanut, pepper, potato and tomato.Dr. Hanu Pappu

The strategy for reducing damage caused by TSWV is to grow virus-resistant crop varieties. However, viruses are notorious for overcoming resistance. Read more at WSU News.

Department of Plant Pathology, PO Box 646430, Washington State University, Pullman WA 99164-6430, 509-335-9541, Contact Us
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