1887

Abstract

SUMMARY: Tobacco mosaic virus reached higher concentrations when inoculated tobacco leaves were placed in a solution containing 10 g./l. sucrose and 0·2 g./l. calcium phosphate than when in water. Detached leaves in water usually produced momvirus than leaves left onthe plants. Other sugars and phosphates also increased virus production. Sugar and calcium phosphate sometimes separately increased the concentration of the virus, but the response was usually greatest to both together. The increase varied with the nutritional state of the plants from which the leaves me and some other environmental conditions. Virus concentration, and the effect of sucrose and calcium phosphate in increasing it, was greater when leaves were in the light than in the dark. Conditions which increased virus concentration also increased the total carbohydrates of the leaves.

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/content/journal/micro/10.1099/00221287-9-3-467
1953-12-01
2022-01-24
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