Virus-like particles and cytoplasmic inclusions associated with diseased Dioscorea rotundata poir from Nigeria
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Dioscorea rotundata plants from Nigeria showing green vein banding and shoe-string symptoms were found to be infected with a flexuous rod-shaped virus, about 805nm long. Infected leaves contained masses of filamentous virus-like particles and cytoplasmic inclusions usually associated with infection by potyviruses; however, no true pinwheels were present. This virus may differ from that infecting yams in the West Indies on the basis of the different inclusions found in infected tissues.
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dioscorea rotundata, chloroplasts, virus, virus-like particles