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The occurrence of the black raspberry latent strain of tobacco streak virus in wild and cultivated Rubus species in British Columbia

, : The occurrence of the black raspberry latent strain of tobacco streak virus in wild and cultivated Rubus species in British Columbia. Acta Horticulturae: 71-76

A virus, subsequently identified as the black raspberry latent str. of TSV (TSV/BR), was isolated from 162 of 470 apparently symptomless wild dewberry plants (R. ursinus) from scattered locations throughout S.W. British Columbia. The occurrence of the virus in dewberry in remote non-agricultural areas indicates that infection is endemic in western Canada and was present before the introduction of cultivated R. spp.

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