Potato leaf roll virus
virus_group = iv
familia = "Luteoviridae"
genus = "
"Potato leaf roll virus" (PLRV) is part of the
genus" Polerovirus" and family " Luteoviridae". This viruslike the name suggests infects potatoes and is a particular problem in the Americas. The virus is spread from plantto plant by insectvectors with the green peach aphid (GPA), " Myzus persicae" one of the most effective. Over the winterperiods, the virusremains in the infected plant and remains the primary source of the PLRV inoculum. Upon infection the virusis largely contained to the phloemtissue and infects daughter tubers through the vascular system
Symptoms of this
virusinclude a slight rolling of new leaves and will be stiffer than normal. Discoloration will also occur ranging from a light green through yellow and red and ending with the underside of the leaves turning purple. This disease does not kill the plant however, yields from the plantwill be decreased heavily and all the tuberswill be of poorer quality due to necrosisto the tubers.
* [http://www.wsu.edu/~potatoes/leafroll.htm Plant viruses online - www.wsu.edu]
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Look at other dictionaries:
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