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1. Effect of carbon tetrachloride stress on antioxidative performance of wheat seedlings | |||
Tao Honglin,Shan Aiqin | |||
Environmental Science and Techology 10 July 2011 | |||
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Abstract:To assess the CT toxicity to plants in soil, the antioxidative performance and the level of lipid peroxidation in wheat seedlings under CT stress were investigated by simulated experiments. The results indicated that: 1) The trend of activity of POD and SOD went to conformity, which were activated by CT ranging from 0.32 to 1.60 mgokg-1 and were inhibited by CT above 1.60 mgokg-1. 2) Under CT stress, the antioxidative performance of wheat seedlings was firstly activated within a short-term period, and then inhibited. 3) The lipid peroxidation of wheat seedlings wasn't obvious at CT concentration lower than 0.32 mgokg-1. But when CT concentration ranging from 0.32 to 1.60 mgokg-1, the MDA content increased obviously and the plasmalemma lipid could not be protected from peroxiding by activated POD and SOD. 4) At medium and late stage, the POD and SOD activity had a decreasing trend with increasing CT concentration, while the MDA content had significant positive correlation (with 99% confidence interval) with CT concentration. | |||
TO cite this article:Tao Honglin,Shan Aiqin. Effect of carbon tetrachloride stress on antioxidative performance of wheat seedlings[OL].[10 July 2011] http://en.paper.edu.cn/en_releasepaper/content/4435158 |
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