| 棉花不同抗性品种根系分泌物分析及其对黄萎病菌的影响 |
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| 引用本文： | 袁虹霞,李洪连,王烨,房卫平,王振跃.棉花不同抗性品种根系分泌物分析及其对黄萎病菌的影响[J].植物病理学报,2002,32(2):127-131. |
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| 作者姓名： | 袁虹霞 李洪连 王烨 房卫平 王振跃 |
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| 作者单位： | 1 河南农业大学植保系, 郑州 450002;2 河南农科院经作所, 郑州 450003 |
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| 基金项目： | 河南省杰出青年基金 (990 4 )，中国科学院封丘农业生态试验站开放基金资助 (9916 0 1) |
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| 摘 要： | 对7个不同抗黄萎病性能的棉花品种根系分泌物进行了收集和测定,结果发现抗病品种根系分泌物对病菌的孢子萌发和菌丝生长有一定的抑制作用,而感病品种根系分泌物则能刺激病菌生长。感病品种分泌物中氨基酸含量和种类较多,而且苯丙氨酸、脯氨酸等仅出现在感病品种的分泌物中;抗病品种根系分泌物中糖类物质含量亦明显低于感病品种。
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| 关 键 词： | 棉花黄萎病 抗病性 根系分泌物 抑菌作用 |
| 文章编号： | 0412-0914(2002)02-0127-05 |
| 修稿时间： | 2001年2月26日 |
THE ROOT EXUDATES OF COTTON CULTIVARS WITH THE DIFFERENT RESISTANCE AND THEIR EFFECTS ON Verticillium dahliae |
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| YUAN Hong xia ,LI Hong lian ,WANG Ye ,FANG Wei ping ,WANG Zhen yue.THE ROOT EXUDATES OF COTTON CULTIVARS WITH THE DIFFERENT RESISTANCE AND THEIR EFFECTS ON Verticillium dahliae[J].Acta Phytopathologica Sinica,2002,32(2):127-131. |
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| Authors: | YUAN Hong xia LI Hong lian WANG Ye FANG Wei ping WANG Zhen yue |
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| Institution: | 1 Dept. of Plant Protection, Henan Agricultural University, Zhengzhou 450002;2 Institute of Economic Crops, Henan Academy of Agricultural Sciences, Zhengzhou 450003, China |
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| Abstract: | The root exudates of 7 cotton cultivars with the different resistance to V. dahliae were collected and their effects on pathogen were tested. Results showed that the root exudates of resistant cultivars inhibited spore germination and mycelium growth of V. dahliae , but the root exudates of susceptible ones had an opposite effect to pathogen. The kinds and amount of amino acids in the root exudates of susceptible cultivars are much more than resistant ones. The phenylalanine and proline were found only in the root exudates of susceptible cultivars. The content of carbohydrate in the root exudates of susceptible cultivars is distinctly more than resistant ones. |
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| Keywords: | Cotton Verticillium wilt resistance root exudates inhibition |
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