Effects of salt stress on growth and biochemical parameters in two maize varieties
2002
Sacala, E. | Demczuk, A. | Grzys, E. | Sobczak, A. (University of Agriculture, Wroclaw (Poland). Dept. of Plant Physiology)
The main objective of this study was to examine the influence of salinity on growth and biochemical parameters (NR activity, amino compounds accumulation, protein content, ion concentrations) of two varieties of maize. Salinity significantly reduced fresh and dry weights of the investigated maize varieties. NaCl induced higher reduction in biomass production than Na2SO4. It was found that in both maize varieties the nitrate reductase activity decreased under salt stress. Salinity caused a great increase in leaf and root Na+ concentration and a decrease in case of Ca2+ and K+ contents. The fall in K+ concentration was high, but not so drastic as in Ca2+. Higher reduction in K+ content showed shoots of Limko
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