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Effect of Calcium and Nitrogen on the Growth and Antioxidative Enzyme Activity in Soybean(Glycine max) under Saline condition

Journal of Ecology and Environment / Journal of Ecology and Environment, (P)2287-8327; (E)2288-1220
2006, v.29 no.2, pp.157-163


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Abstract

Growth of G. max treated with NO3--N was decreased by high NaCl treatments, but NH4NO3-fed plants showed good growth with enhanced activity of antioxidative enzymes (SOD and APX). Especially, activity of APX was higher in 5 mM NH4NO3-fed plants than other types of N-supplied plants throughout the stress period. Higher SOD activity under salt stress was accompanied by increase in APX activity in 5 mM NH4NO3-fed plants. Similarly, application of calcium confirmed somewhat positive effects on growth. Salt-treated soybean calcium treatment. Especially, the increase of SOD activity through the strengthened CuZn-SOD isoform was remarkable.

keywords
Antioxidative enzymes (SOD, APX), Calcium, Nitrogen, Salt treatments, SoybeanBae, Jeong-Jin and Yeon-Sik Choo J. Ecol. Field Biol. 29 (2) 1581990, Cramer and Lewis 1993, Stivastava and Singh 1999). Under saline conditions, plants supplied with NH4+, Antioxidative enzymes (SOD, APX), Calcium, Nitrogen, Salt treatments, SoybeanBae, Jeong-Jin and Yeon-Sik Choo J. Ecol. Field Biol. 29 (2) 1581990, Cramer and Lewis 1993, Stivastava and Singh 1999). Under saline conditions, plants supplied with NH4+

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Journal of Ecology and Environment