beet curly top virus global distribution
Early symptoms of BCTV in hemp leaf
Twisting of new growth from BCTV infection. Photos from Nachappa & Chiginsky, 2019.
Early mosaic pattern symptom of BCTV in hemp plant. Photo courtesy of Giladi et al., 2019.
Yellowing and stunting in late stage BCTV in hemp. Photo from Nachappa and Chiginsky, 2019.
Mid-stage mosaic pattern symptom of BCTV in hemp plant. Photo courtesy of Giladi et al., 2020.
The adult beet leafhopper measures only 0.12 inches long and is most active in high temperatures. Photos by G. Oldfield (top) and A.C. Magyorosky, USDA, Bugwood.org
Late-stage BCTV in hemp plant, with severe leaf curling, stunting, and chlorosis. Photo courtesy of Giladi et al., 2020.
The beet leafhopper is often greenish, yellow, tan or olive in color, and may have darker markings on its wings and body. Photos by A.C. Magyorosky USDA, Bugwood.org.
High density planting may reduce the susceptibility of your hemp crop to BCTV. Photo from Netafim USA