Journal of Stress Physiology & Biochemistry, Vol. 18 No. 1 2022, pp. 5-9 ISSN 1997-0838
Original Text Copyright (cc) 2021 by  Verma and Varshney

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Effect of Different Soil Salinity Levels on Certain Biochemical Parameters of Kidney Bean Plants

B.K. Verma & K.A. Varshney

1 Plant Physiology and Biochemistry Section, P. G. Department of Botany, Bareilly College, Bareilly – 243 122 (U.P.) INDIA


Received June 6, 2021

A pot experiment was designed to find out the effect of various salinity levels (0 – 12 mScm-1) on total chlorophyll contents, nitrate reductase activity, betaine contents and Na+ and K+ contents of Kidney bean plants (Phaseolus vulgaris L.). Results revealed that increasing soil salinity brought about marked reduction in total chlorophyll contents, nitrate reductase activity and K+ ion contents. However, Na+ ion contents and betaine contents got increased. Both the genotypes perform well up to 4 mScm-1. At 8 and 12 mScm-1 electrical conductivity levels the behaviour of them was observed significantly antagonistic demonstrating their susceptibility towards saline conditions.

Key words:    salinity, chlorophyll, nitrate reductase, betaine, Phaseolus vulgaris

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