Seminar: Advances in the Management of Barley Yellow Dwarf

Joseph T. Walls III, Ph.D. student, Penn State University, Department of Plant Pathology & Environmental Microbiology

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October 23, 2015, 12:20 PM - 1:15 PM

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Barley yellow dwarf (BYD) is an important aphid-vectored viral disease that affects Poaceae. A computerized decision support system (DSS) to aid in BYD management was designed to optimize timing and necessity of management tactics throughout the winter wheat cropping season. Tolerant cultivars, insecticide-treated seeds, planting-date alteration, aphid scouting, and foliar insecticide sprays were the main recommendations considered. The system gives location-specific and real-time management recommendations to the user. Yield, economic gain, and sustainability can be calculated from the recommendations made to reduce BYD incidence and optimize winter wheat production. This system can evolve with greater grower adoption, incorporate other DSS’s for other pests and diseases, and improve the agroecosystem.

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