| 低温胁迫下外源物质对番茄幼苗膜脂过氧化作用的影响 |
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| 引用本文： | 刁艳,于锡宏,蒋欣梅.低温胁迫下外源物质对番茄幼苗膜脂过氧化作用的影响[J].东北农业大学学报,2008,39(5):44-47. |
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| 作者姓名： | 刁艳 于锡宏 蒋欣梅 |
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| 作者单位： | 东北农业大学园艺学院,哈尔滨,150030 |
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| 摘 要： | 文章以番茄为材料研究喷施外源ABA、SA、CaCl2处理对低温胁迫番茄幼苗膜脂过氧化作用的影响。结果表明,喷施10mg.L-1ABA、1400mg.L-1CaCl2、300mg.L-1SA能够明显地降低相对电导率,抑制膜脂过氧化作用,提高过氧化物酶(POD)活性,从而减轻了低温胁迫对番茄幼苗的伤害,降低幼苗的膜脂过氧化作用。
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| 关 键 词： | 外源物质 番茄幼苗 低温胁迫 膜脂过氧化作用 |
| 文章编号： | 1005-9369(2008)05-0044-04 |
| 修稿时间： | 2007年3月12日 |
Effects of exogenous substance on membrane lipid peroxidation in tomato seedlings under chilling stress |
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| DIAO Yan,YU Xihong,JIANG Xinmei.Effects of exogenous substance on membrane lipid peroxidation in tomato seedlings under chilling stress[J].Journal of Northeast Agricultural University,2008,39(5):44-47. |
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| Authors: | DIAO Yan YU Xihong JIANG Xinmei |
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| Abstract: | The effects of membrane lipid preoxidation on tomato seedlings under chilling stress were studied by spraying exogenous ABA, SA, CaCl2. The results showed that the relative electric conductivity was deceased, as well as membrane lipid peroxidation was inhibited, and the activity of POD was increased by spraying exogenous 10 mg·L-1 ABA, 1 400 mg·L-1 CaCl2 and 300 mg·L-1 SA. So chilling stress injury and membrane lipid peroxidation in tomato seedlings were reduced. |
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| Keywords: | exogenous substances tomato seedlings chilling stress membrane lipid peroxidation |
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