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Background information:

Although managing pea aphid to prevent direct injury to peas and lentils is relatively straightforward, managing this pest as a virus vector can be complicated. Vigilant, early and aggressive treatment of the aphids with insecticides can prevent disease and injury. In most years, however, this is unnecessary because aphid populations, virus in these aphids, or both remain low. During an aphid outbreak or epidemic year, however, virus injury can be severe and widespread in the region. These outbreaks are relatively rare based on a 26 year record. The last such outbreak occurred in 2005. Unfortunately, it is not yet possible to predict whether virus risk is great enough to merit aggressive treatment. This project is developing methods to forecast aphid and virus incidence, provide decision tools for producers to guide in treating for pea aphids, and working to accelerate breeding for virus resistant pea varieties.

Feedback

Please let us know how we're doing. Direct your comments and suggestions about our project and this web site to:
Sanford Eigenbrode PSES, University of Idaho

Team members/roles:

Sanford Eigenbrode, Entomologist, Project Director, University of Idaho
Ed Bechinski, Entomologist, University of Idaho
Alexander Karasev, Virologist, University of Idaho
Hanu Pappu, Virologist, Washington State University
Diana Roberts, Extension Educator, Spokane County Washington, Washington State University
Lydia Clayton, Extension Educator, Nez Perce County Idaho, University of Idaho
Kevin McPhee, Plant Breeder, North Dakota State University
Richard Larsen, Plant Pathologist, ARS, Prosser WA
Lyndon Porter, Plant Pathologist, ARS, Prosser WA
Brad Stokes, Graduate Student in Entomology, University of Idaho
Damon Husebye, Graduate Student in Entomology, University of Idaho
Bhadra Murthy, Postdoc in Plant Pathology, Washington State University
Shalu Jain, Postdoc in Plant Breeding, North Dakota State University
Steve Clement, Project Advisor, USDA-ARS Plant Introduction Station, Pullman, WA