Sweet potato chlorotic stunt virus
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Sweet potato chlorotic stunt virus (SPCSV)
The virus has a world-wide distribution in sweet potato growing regions with the exception of the Pacific. It causes the serious, synergistic "sweet potato virus disease" together with the Sweet potato feathery mottle virus (see that virus for details).
The symptoms of this disease include leaf strapping, vein clearing, chlorosis, stunting, leaf distortion, and might cause plant death. Yield losses can be high (70% to 100%). SPCSV can also cause synergistic diseases with several other viruses from the genera Potyvirus, Carlavirus, Cucumovirus, Ipovovirus, and Cavemovirus. SPCSV is transmitted by the whitefly Bemisia tabaci.
|• English:||Sweet potato chlorotic stunt virus (SPCSV)|
|• Français:||virus du rabougrissement chlorotique de la patate douce|
SPCSV is phloem-limited and transmitted by whiteflies in a semi-persistent manner. Two strains of the virus have been described. The East African strain is found mainly in Uganda, but also in Kenya and Tanzania, Peru and China. The West African strain is widespread in many countries.
Sweet potato sunken vein virus