Abstract
In young sugar beet plants cadmium suppressed the activity of nitrate reductase, glutamine synthetase and glutamate dehydrogenase, whereas sulphur exhibited a protective role towards activity of these enzymes, except of glutamine synthetase. Protein synthesis was suppressed in the absence of S in nutrient medium; the lowest level was at 10-3 M Cd2+. Chloroplast pigment contents were increased by S while Cd2+, even in the lowest concentration, (10−5 M) showed a repressive effect. The highest concentrations of Cd2+ (10−3 M) caused a decrease in dry mass, whereas S induced its increase. Nitrate content was increased in the presence of Cd2+ and decreased by increased concentration of S.
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Acknowledgement: The authors acknowledge financial support of the Ministry for Science and Technology of Serbia.
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Popović, M., KevreŠan, S., Kandrač, J. et al. The role of sulphur in detoxication of cadmium in young sugar beet plants. Biol Plant 38, 281–287 (1996). https://doi.org/10.1007/BF02873861
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DOI: https://doi.org/10.1007/BF02873861