Curly Top Disease of Tomato
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Curly top disease, caused by viruses in the genus, Curtovirus, has impacted western US
agriculture for over a century, and is a significant threat to tomato production. The two most
abundant curtovirus species today are Beet severe curly top virus (BSCTV) and Beet mild curly
top virus (BMCTV) but other species exist as well. This presentation discusses the viruses
that cause curly top disease, including biology, vector transmission, epidemiology, and
management. The presentation is designed to provide knowledge of curly top to growers,
industry, and others interested in management of virus diseases affecting tomato production.
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