Table of Contents
ISRN Toxicology
Volume 2013, Article ID 340925, 8 pages
http://dx.doi.org/10.1155/2013/340925
Research Article

Impact of Arsenic Toxicity on Black Gram and Its Amelioration Using Phosphate

Department of Botany, University of Lucknow, Lucknow, Uttar Pradesh 226007, India

Received 27 May 2013; Accepted 2 July 2013

Academic Editors: A. S. Faqi, A. I. Haza, and B. Zhou

Copyright © 2013 Saumya Srivastava and Yogesh Kumar Sharma. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The toxicity of arsenic in soil and ground water is one of the most important environmental problems particularly in South-East Asia. Arsenic-polluted irrigation water creates hazard in soil environment and also in crop quality. In the present study, response of black gram (Vigna mungo L.) to arsenic with or without phosphate application was investigated. Arsenic-treated plants showed reduction in their growth and pigment content. Arsenic significantly enhanced lipid peroxidation, electrolyte leakage, and level of proline showing oxidative stress. Arsenic toxicity was associated with an increase in the activities of antioxidative enzymes like superoxide dismutase, peroxidase, and ascorbate peroxidase whereas catalase activity decreased at higher arsenic dose. Joint application of phosphate with arsenic resulted in significant alterations in most of the parameters tested under the purview of arsenic treatment alone which lead to better growth in black gram.