Beet curly top virus

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Beet curly top virus symptoms on sugarbeet (click on image to enlarge it)
Author(s): Oliver T. Neher, University of Idaho
Source: IPM Images

Beet curly top virus (BCTV)

This is the type species of the genus Curtovirus of the geminiviruses. It is widely distributed and causes diseases in sugarbeet, other crops and a variety of other plants, including weeds. Infected plants are stunted with leaf deformations, vein swelling and necrosis in the phloem.

The virus is transmitted by the beet leafhopper, Circulifer tenellus. It may also be transmitted at a low rate through seeds (Anabestani et al., 2017). The vector, and indirectly the virus disease, can be controlled by insecticides. The Worland strain of the virus is now called Beet mild curly top virus