Dasheen mosaic virus

Potyvirus • Potyviridae • plant viruses • plant diseases • pests-diseases-weeds

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taro leaf (Colocasia esculenta) with symptoms of infection by the Dasheen mosaic virus (click on image to enlarge it)
Author: Scot Nelson, Hawaii
Source: Flickr

Dasheen mosaic virus (DsMV)

This is an aphid-borne virus which infects taro, cocoyam and other Araceae. The virus incidence can be high, e.g. up to 60% in elephant yam (Amorphophallus paeoniifolius) in India which can result in yield losses of more than 30%. The virus spreads mainly through infected planting material. Therefore, the use of tubers from virus-free plants is recommended for planting.

Vanilla mosaic virus (VanMV) is a closely related potyvirus that is regarded as a strain of Dasheen mosaic virus (e.g. see Farreyrol et al., 2006).