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盐胁迫对玉米幼苗叶片光合荧光和抗氧化酶活性的影响

侯楠 宋玉伟

现代农业科技Issue(24):36-36,40,2.
现代农业科技Issue(24):36-36,40,2.

盐胁迫对玉米幼苗叶片光合荧光和抗氧化酶活性的影响

Effects on Photosynthesis in Leaves of Maize Seedlings and Antioxidant Enzymes Under Salt Stress

侯楠 1宋玉伟1

作者信息

  • 1. 南阳师范学院生命科学与技术学院,河南南阳 473061
  • 折叠

摘要

Abstract

Using maize(B73)seedlings as experimental materials,the photosynthetic efficiency and activities of SOD,POD and CAT of leaves were investigated under salt stress. The results showed that the low concentration of NaCl(100 mmol/L)had little impact on the photosynthetic efficiency of maize seedling leaves,but high concentrations of NaCl stress(200 mmol/L or more)could significantly affect on the photosynthetic efficiency. At the same time,the activity of antioxidant enzymes displayed a synthetic positively correlation. However,in response to high concentration of NaCl stress,the antioxidant enzyme system(SOD,POD and CAT)activity showed a decreasing trend after the first rise.

关键词

玉米/盐胁迫/光合作用/抗氧化酶

Key words

maize/salt stress/photosynthesis/antioxidant enzymes

分类

农业科技

引用本文复制引用

侯楠,宋玉伟..盐胁迫对玉米幼苗叶片光合荧光和抗氧化酶活性的影响[J].现代农业科技,2014,(24):36-36,40,2.

基金项目

河南省基础与前沿技术研究计划项目(112300410219);河南省教育厅自然科学研究项目(2011A180023)。 ()

现代农业科技

1007-5739

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