Curly Top Virus Biology, Transmission, Ecology and Management


Beet curly top virus (BCTV) is the most widespread geminivirus (DNA virus that infects plants) in the U.S. It is endemic in the western U.S. and causes economic damage to a wide variety of crops. Transmitted by the beet leafhopper insect, the virus infects a broad range of host from many plant families. The leafhopper vector also feeds and breeds on an extensive range of plant hosts and can migrate considerable distances. Management of this viral pathogen and its leafhopper vector has proven difficult, and a sustainable management program is needed. Only when many individuals work together across state lines will significant progress in management of BCTV be possible. WERA-1007 meets to discuss, assess, and prioritize required research on BCTV genetics, vector biology and genetics, weed ecology, and disease management and to coordinate interdisciplinary research at a regional level. In addition to this needed coordination, another expected outcome is that the agricultural industry will know about new research on BCTV as it is being done, instead of after publication, and will be able to influence the direction of the research.

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