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Tobacco Ringspot Virus

Tobacco ringspot virus (TRSV) is a plant pathogenic virus in the plant virus family Comoviridae. It of the type species Comoviridae Genus Nepovirus. Nepoviruses are transmitted between plants by nematodes. It is easily transmitted by sap inoculation and transmission in seeds has been reported.

IT was first observed in tobacco fields in Virginia in 1927. It is an isometric particle with a bipartite RNA genome. The virus can infect field grown crops, ornamentals, and weeds. The name comes from the common symptom of chlorotic ringspots on the leaves.

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Tobacco Ringspot Virus


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