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ViewAttendees 8

Member Symposium

Ecology, Epidemiology, and Management of Whiteflies and Whitefly-transmitted Viruses in the United States

10: Whitefly-transmitted viruses in vegetables: Known and unknowns

On-Demand
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Insect-transmitted viruses cause significant losses to vegetables, especially in the tropics. Both whiteflies and thrips-transmitted viruses are reported in Georgia, but those transmitted by whiteflies cause a major impact by reducing yield and quality. Tomato yellow leaf curl virus (TYLCV) on tomato, Cucurbit leaf crumple virus (CuLCrV), and Cucurbit yellow stunting disorder virus (CYSDV) on squash and snap bean cause substantial yield losses in the state.  CuLCrV and CYSDV also infect cantaloupe, cucumber, and zucchini but are not a constraint on their production. Other economically important viruses are reported from the southeastern United States in areas that share common crops and climate with Georgia. Many of these viruses produce similar symptoms and are difficult to identify in the field. Efforts to manage the viruses will be undermined if they go undetected and get established in the area.