Comparative Study of Hexavalent Chromium Induced Biochemical Changes With and Without EDTA in Sesbania grandiflora L. Pers.

Authors
S. Revathi
V. Subhashree
Biomolecules and Genetics Division, School of Biosciences and Technology, VIT University, Vellore, India.
Abstract
The toxic effects of chromium in plants, animals and human beings in the environment have been widely studied. In the present study, pot experiment was conducted to determine the effects of chromium on photosynthetic pigments, Nitrate Reductase (NR) activity and total amino acid, proline, total protein and leghaemoglobin content of Sesbania grandiflora (L.) Pers. The seedlings were treated with Chromium Cr (VI), concentrations ranging from 0.38-1.92 mM Kg-1 of soil with 0.35 mM Ethylene Diamine Tetra Acetic acid (EDTA) and without EDTA. The efficacy of EDTA in its presence and absence was compared for periods of 30, 60 and 90 days. Our results in comparison with our control indicate the inhibitory effect of chromium to S.grandiflora. From the results it has been observed that, increasing concentrations of chromium in the presence of EDTA showed a significant increase in proline and total amino acid contents, while the total chlorophyll, leghaemoglobin content and total protein content decreased and the NR activity of the plant was also affected greatly.

Keywords

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Journal of Agricultural Science and Technology
Volume 18, Issue 5
September and October 2016
Pages 1289-1301