| 细极链格孢菌蛋白激发子对棉花生长相关酶活性的影响 |
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| 引用本文： | 张志刚,杨晓萍,卢翰,梅正鼎,贺云新.细极链格孢菌蛋白激发子对棉花生长相关酶活性的影响[J].棉花学报,2010,22(2):120-124. |
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| 作者姓名： | 张志刚 杨晓萍 卢翰 梅正鼎 贺云新 |
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| 作者单位： | 湖南省棉花科学研究所,湖南,常德,415101 |
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| 基金项目： | 转基因生物新品种培育科技重大专项(2008ZX08005-001) |
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| 摘 要： | 细极链格孢菌蛋白激发子是一种能诱导植物获得系统抗病性的新型蛋白激发子。在湘杂棉3号的主要生育期,用细极链格孢菌蛋白激发子(PEAT)蛋白粗提液进行叶面喷施后,对棉花叶片中酶保护系统的变化进行了研究。结果表明,经细极链格孢菌蛋白激发子诱导后,棉花叶片POD、SOD、NR的活性与C/N比对照显著增加,而MDA含量比对照显著减少。这可能是PEAT影响棉花细胞内微环境的氧化、还原状态激发植株体内酶保护系统,激活植物自身防卫系统与生长系统,从而使棉花产生对病虫害的抗性,促进了植株生长。
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| 关 键 词： | 细极链格孢菌 蛋白激发子 保护酶系统 |
| 收稿时间： | 2009-07-15; |
Effects of Protein Elicitor from Altenaria tenuissima on the Enzymatic Protection System in Cotton Leaves |
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| ZHANG Zhi-gang,YANG Xiao-ping,LU Han,MEI Zheng-ding,HE Yun-xin.Effects of Protein Elicitor from Altenaria tenuissima on the Enzymatic Protection System in Cotton Leaves[J].Cotton Science,2010,22(2):120-124. |
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| Authors: | ZHANG Zhi-gang YANG Xiao-ping LU Han MEI Zheng-ding HE Yun-xin |
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| Institution: | Hunan Cotton Research Institute/a>;Changde/a>;Hunan 415101/a>;China |
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| Abstract: | The protein elicitor from Alternaria tenuissima (PEAT) was previously shown to be an efficient elicitor of induced systematic resistance in several crops.The role of crude extracts of PEAT on enzymatic protection system in cotton leaves by foliar spraying was investigated in growth and development periods of the Hunan Hybrid Cotton 3.Results showed that the activity of POD,SOD,SR and the ratio of C/N increased significantly when PEAT was sprayed on cotton leaves.However,the activity of MDA decreased signifi... |
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| Keywords: | Alternaria tenuissima protein elicitor enzymatic protection system |
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