Maize yellow dwarf virus RMV
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Author(s): Elizabeth N. Krueger, Randy J. Beckett, Stewart M. Gray and W. Allen Miller
Source: Frontiers in Microbiology, 2013, 4 (205)
Maize yellow dwarf virus RMV (MYDV-RMV)
This virus was previously regarded as a strain/serotype of the Barley yellow dwarf viruses (BYDVs). However, it has been found to be only distantly related to most BYDVs which belong to the genus Luteovirus, and has been assigned to the genus Polerovirus (Krueger et al., 2013). MYDV-RMV is widely distributed and infects maize, but also other cereals like wheat and grasses. Like the other viruses resembling the BYDVs, the symptoms are characterized by yellowing and dwarfing. MYDV-RMV can reduce sweet corn yield seriously, causing incomplete ear filling, up to loss of the whole harvest.
As indicated by the ending "RMV", MYDV-RMV is mainly transmitted by the aphid Rhopalosiphum maidis in a circulative and persistent manner. It has been referred to the "Rhopalosiphum maidis virus". Several other aphids can also transmit it, but usually less efficiently.
Synonyms:
Barley yellow dwarf virus RMV
Rhopalosiphum maidis virus
