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TWO VIRUSES OF THE CUCUMBER MOSAIC GROUP ON TOBACCO
Author(s) -
HOGGAN ISMÉ A.
Publication year - 1935
Publication title -
annals of applied biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.677
H-Index - 80
eISSN - 1744-7348
pISSN - 0003-4746
DOI - 10.1111/j.1744-7348.1935.tb07706.x
Subject(s) - cucumber mosaic virus , biology , tobacco mosaic virus , virus , virology , strain (injury) , transmission (telecommunications) , host (biology) , mosaic virus , plant virus , genetics , electrical engineering , anatomy , engineering
Summary. A “yellow cucumber mosaic virus” is described, which appeared to develop spontaneously during experiments with ordinary cucumber mosaic on tobacco. This form is readily distinguishable from the ordinary cucumber mosaic virus by the conspicuous bright yellow mottling produced on tobacco and other hosts. In modes of transmission, properties and host range, the virus appears to be identical with ordinary cucumber mosaic virus, and is hence regarded as a strain variant of this form. A second virus is described on tobacco which appears to belong to the same general group, although showing differences of greater magnitude from the ordinary cucumber mosaic virus. This form is distinguished chiefly by the milder type of symptoms produced upon various common hosts, and by its somewhat lower thermal death‐point, tolerance to dilution and longevity in vitro . Additional evidence is thus offered of strain variation in the cucumber mosaic group, similar to that already recognised in certain other groups of plant viruses.