| 防治棉花黄萎病生防菌的筛选及其防治效果评价 |
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| 引用本文： | 尹梦亭,赵思峰,张昭泽,李晖,李春,娄恺.防治棉花黄萎病生防菌的筛选及其防治效果评价[J].新疆农业科学,2008,45(6):1126. |
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| 作者姓名： | 尹梦亭 赵思峰 张昭泽 李晖 李春 娄恺 |
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| 作者单位： | 石河子大学农学院/新疆兵团化工绿色过程重点实验室,新疆石河子,832003;石河子大学农学院/新疆兵团化工绿色过程重点实验室,新疆石河子,832003;北京理工大学生命科学与技术学院生物技术系,北京,100081;新疆特殊环境微生物重点实验室,乌鲁木齐,830091 |
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| 基金项目： | 新疆维吾尔自治区高新技术项目
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石河子大学成果转化项目
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石河子大学青年骨干教师资助计划项目
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| 摘 要： | 研究采用平皿对峙和促生实验相结合的筛选方法,从棉花根际土壤中分离到282株细菌,加上实验室筛选获得的对番茄有防病促生作用的21株细菌进行抑菌活性测定,共获得对棉花黄萎病菌有拮抗作用并能够有效促进棉花发芽和生长的菌株10株.通过盆栽和小区试验筛选,获得了5株对棉花黄萎病有良好防治效果的拮抗细菌,分别为S44、S258、S128、S37、S171,对棉花黄萎病的田间相对防效分别为38.53;、60.29;、39.58;、32.75;和37.02;,而化学农药福多甲的防治效果仅为28.34;.同时5株生防菌均能促进棉花生物量的增加.
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| 关 键 词： | 棉花 黄萎病 生防菌 筛选 |
| 收稿时间： | 2008-06-25 |
Screening of Biocontrol Bacterial against Verticillium Wilt of Cotton and Evaluation of Its Control Effection |
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| YIN Meng-ting,ZHAO Si-feng,ZHANG Zhao-ze,LI Hui,LI Chun,LOU Kai.Screening of Biocontrol Bacterial against Verticillium Wilt of Cotton and Evaluation of Its Control Effection[J].Xinjiang Agricultural Sciences,2008,45(6):1126. |
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| Authors: | YIN Meng-ting ZHAO Si-feng ZHANG Zhao-ze LI Hui LI Chun LOU Kai |
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| Institution: | YIN Meng-ting1,ZHAO Si-feng1,ZHANG Zhao-ze1,LI Hui1,LI Chun1,2,LOU Kai3 |
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| Abstract: | 282 strains were isolated from cotton rhizosphere in this experiment,21 strains with efffect of growth prmotion and control diseases on Processing Tomato were screened in our lab.Ten strains were isolated as antagonistic bacteria against Verticillium dahliae.These strains could promote the germination of cotton seed and the accummulation of the biomasses with the combined method of experiment of antagonism and germination promoting.The results of pot and field experiment indicated that strains S44,S258,S128,S37 and S171 had better effect than control.In field experiment,the relative control effect of strains S44,S258,S128,S37 and S171 were 38.53%,60.29%,39.58%,32.75% and 37.02%,respectively.While the control effeciency of the Fuduojia only was 28.34%.All of the five stains were capable of accelerating cotton seeds germination and increasing yield. |
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| Keywords: | cotton Verticillium Wilt biocontrol bacterial screening |
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