| NaCl胁迫对箭叶淫羊藿生理生态特性的影响 |
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| 引用本文： | 张浩,陈光登,黎云祥.NaCl胁迫对箭叶淫羊藿生理生态特性的影响[J].西华师范大学学报(哲学社会科学版),2008,29(1):66-71. |
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| 作者姓名： | 张浩 陈光登 黎云祥 |
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| 作者单位： | 四川省高校环境科学与生物多样性保护重点实验室,四川南充637002 |
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| 基金项目： | 四川省杰出青年学科带头人培养计划资助项目(04ZQ026-047);四川省科技厅基础项目(03JY029-021-22). |
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| 摘 要： | 用含有0，100，200，300和500mmol／LNaCl的Hoagland＇s培养液处理箭叶淫羊藿幼苗，处理一定时间后对其鲜重、干重、叶表面积等形态参数以及根系活力、过氧化氢酶（CAT）和总抗氧化能力（T—AOC）等生理指标进行了测定，结果表明：NaCl胁迫明显抑制了箭叶淫羊藿地上部分和根系的生长，随着NaCl处理浓度的增加，地上部分茎、叶和地下部分根的鲜重和干重均有比较显著的降低，根系活力下降；同时，箭叶淫羊藿总蛋白质含量也受NaCl胁迫浓度的影响；在低浓度范围内，NaCl对箭叶淫羊藿叶片中CAT活性的影响不大，高浓度时CAT活性受到抑制；但其总抗氧化能力由于NaCl胁迫而明显降低．箭叶淫羊藿的生长受NaCl抑制程度随浓度增加而增大．
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| 关 键 词： | 箭叶淫羊藿 NaCl胁迫 生物量 根系活力 CAT T—AOC |
| 文章编号： | 1673-5072(2008)01-0066-06 |
| 修稿时间： | 2007年7月20日 |
Effects of NaCl Stress on Physiological and Ecological Properties of Epimedium sagittatum |
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| ZHANG Hao,CHEN Guang-deng,LI Yun-xiang.Effects of NaCl Stress on Physiological and Ecological Properties of Epimedium sagittatum[J].Journal of China West Normal University:Natural Science Edition,2008,29(1):66-71. |
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| Authors: | ZHANG Hao CHEN Guang-deng LI Yun-xiang |
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| Institution: | ZHANG Hao,CHEN Guang-deng,LI Yun-xiang(College of Life Science,Key Laboratory of Environmental Science , Biodiversity Conservation of Sichuan Higher Education,China West Normal University,Nanchong 637002,China) |
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| Abstract: | After being treated with different NaCl concentrations(0,100,200,300,500mmol/L)for 30 days,the growth and physiologyical indexs of ramets of Epimedium sagittatum were measured.The results showed that the growth of the aerial parts and root system were suppressed obviously by NaCl stress.As the concentration of NaCl increased from zero,hundred,two hundred,three hundred to five hundred mmol/L,the fresh weight and dry weight of plantlets dropped obviously,so did the vigor of mot system.At the same time,the pro... |
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| Keywords: | Epimedium sagittatum NaCl stress biomass root energy CAT T-AOC |
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