Study of sulphur dioxide effects on phosphorus metabolism in plants using 32P as indicator

The effects of SO 2 on the phosphorus metabolism of bean plants were studied under controlled conditions by measuring the uptake and distribution of 32P in the plant. The results indicate that low SO 2 concentrations (0.02–0.32 ppm) during 24–72 h stimulate the metabolism of phosphorus in bean plant...

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Published in:The International journal of applied radiation and isotopes 1983-05, Vol.34 (5), p.833-835
Main Author: Plesnicar, Marijana
Format: Article
Language:English
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Summary:The effects of SO 2 on the phosphorus metabolism of bean plants were studied under controlled conditions by measuring the uptake and distribution of 32P in the plant. The results indicate that low SO 2 concentrations (0.02–0.32 ppm) during 24–72 h stimulate the metabolism of phosphorus in bean plants in different phases of their development without affecting total phosphorus content. Before the apperance of any visible symptom of damage the changes were registered in the metabolism of RNA and DNA phospholipid and acid-soluble compounds. This investigation has contributed to identifying early invisible effects of SO 2 on plants by using radioactive 32P.
ISSN:0020-708X
DOI:10.1016/0020-708X(83)90102-3