Beet western yellows virus

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Beet western yellows virus symptoms on sugar beet leaf (click on image to enlarge it)
Author(s): Gerald Holmes, Valent USA Corporation
Source: IPM Images

Beet western yellows virus (BWYV)

The virus has a wide host range and infects beet in North America and other regions. Three closely related viruses have been described which have been previously regarded as part of BWYV:
Beet chlorosis virus - infecting beet and Chenopodium but not traditional indicator plants like Capsella bursa-pastoris.
Beet mild yellowing virus - infecting beet and several Chenopodiaceae.
Turnip yellows virus - infecting a wide variety of plant from the Brassicaceae but not beet.

Vernacular names
• Français: virus de la jaunisse de la betterave type ouest