芝麻不同抗旱基因型对花期干旱胁迫的生理响应机理
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孙建,颜小文,乐美旺,饶月亮,颜廷献,叶艳英,周红英
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Physiological Response Mechanism of Drought Stress in Different Drought-Tolerance Genotypes of Sesame During Flowering Period
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SUN Jian,YAN XiaoWen,LE MeiWang,RAO YueLiang,YAN TingXian,YE YanYing,ZHOU HongYing
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表3 花期干旱胁迫下芝麻生理生化指标与品种抗旱性的相关分析
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Table 3 Correlation analysis of drought resistance of varieties and physiological and biochemical indexes of sesame leaves and roots under drought stress during the flowering period
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叶片生理生化指标 Physiological and biochemical indexes of leaves | 相关系数1 Coefficient 1 | 相关系数2 Coefficient 2 | | 根系生理生化指标 Physiological and biochemical indexes of roots | 相关系数1 Coefficient 1 | 相关系数2 Coefficient 2 | 丙二醛MDA | -0.490* | -0.508* | | 丙二醛MDA | -0.322 | -0.427 | 过氧化氢H2O2 | -0.722** | -0.883** | | 过氧化氢H2O2 | -0.640** | -0.699** | 脯氨酸Pro | 0.113 | -0.361 | | 脯氨酸Pro | 0.285 | 0.664** | 可溶性糖SS | 0.183 | 0.835** | | 可溶性糖SS | 0.253 | -0.151 | 可溶性蛋白SP | 0.296 | 0.852** | | 可溶性蛋白SP | 0.168 | -0.554* | 游离氨基酸AA | 0.239 | -0.377 | | 游离氨基酸AA | 0.094 | 0.215 | 超氧化歧化酶SOD | 0.481* | -0.236 | | 超氧化歧化酶SOD | 0.520** | 0.649** | 过氧化物酶POD | -0.330 | -0.624** | | 过氧化物酶POD | -0.298 | 0.290 | 过氧化氢酶CAT | 0.377 | -0.216 | | 过氧化氢酶CAT | 0.479* | 0.028 | 还原型谷胱甘肽GSH | -0.223 | 0.841** | | 还原型谷胱甘肽GSH | -0.030 | -0.725** | 抗坏血酸AsA | 0.231 | 0.540* | | 抗坏血酸AsA | 0.519** | -0.837** | 苯丙氨酸解氨酶PAL | -0.620** | 0.441 | | 苯丙氨酸解氨酶PAL | 0.138 | 0.338 |
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