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Combined effects of alfalfa weevil and potato leafhopper on yield and forage quality of glandular-haired alfalfa

PI(s): Youngman, Roger R, Dellinger, Theresa (Tree)

Investigators: Kuhar, Thomas P, Laub, Curt

Website: Virginia Alfalfa IPM Source

Abstract: A three-year Virginia field study found that a commercial leafhopper-resistant alfalfa variety did not provide acceptable resistance to potato leafhopper. Our cost-benefit analysis indicated that growers who planted this ineffective variety lost nearly $31 more per acre than growers who planted one of the many standard, non-leafhopper resistant varieties suited to Virginia.

Commodities: Alfalfa, Forages

Resources: Biological Control, Department Shop, Graduate Assistantship Opportunities, Insecticide Storage Building, Price Hall, State-Owned Vehicles

Disciplines: Biological Control, Ecology, Environmental Quality, Integrated Pest Management, Pesticides, Sustainable Agriculture

Audiences: Agribusiness, Commodity Groups, Extension Agents, Graduate Students, Producers, Prospective Students, Researchers

Department of Entomology Blacksburg, VA 24061 Phone: (540) 231-6341 FAX: (540) 231-9131 Send Email Login