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A MOSAIC VIRUS OF GRASSES, NOT VIRULENT TO SUGAR CANE
Author(s) -
Stokey H. H.
Publication year - 1929
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.1744-7348.1929.tb07631.x
Subject(s) - biology , cane , sugar , sugar cane , mosaic virus , mosaic , agronomy , virus , virulence , sorghum , horticulture , plant virus , virology , food science , history , biochemistry , archaeology , gene
Summary. This paper records studies of a mosaic disease observed in maize and Sorghum spp. in the Transvaal, South Africa. In these hosts the signs produced were not distinguishable from those produced by the common sugar cane mosaic virus. Leaf‐cage experiments showed that Aphis maidis Fitch was capable of transmitting the virus to maize. In the part of the Transvaal where the mosaic was found all sugar cane seen was free from mosaic. Sugar cane failed to contract the disease, both in a field experiment extending over three years in the Transvaal and in large cage experiments in Natal. The method employed in the Natal experiments was always successful in transmitting mosaic to sugar cane when the source of infection was either diseased cane or diseased grasses collected in the neighbourhood of diseased cane. It is concluded that the Transvaal virus is not virulent to sugar cane and is therefore different from the common sugar cane mosaic virus.