| 水稻稻瘟病拮抗链霉菌的筛选 |
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| 引用本文： | 卢庭婷,李涛,黄芬,李楠,梁智群.水稻稻瘟病拮抗链霉菌的筛选[J].广西农业科学,2007,38(2):164-166. |
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| 作者姓名： | 卢庭婷 李涛 黄芬 李楠 梁智群 |
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| 作者单位： | 广西大学生命科学与技术学院,南宁,530004 |
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| 基金项目： | 致谢：广西大学生命科学与技术学院张云开老师对实验提供宝贵意见,陈山岭和管立忠等同学在实验过程中提供帮助,特此致谢. |
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| 摘 要： | 为从自然生态环境中寻找对水稻稻瘟病菌有拮抗作用的链霉菌,采用平板对峙法,从土壤中筛选出4株对稻瘟病菌有明显抑制作用的链霉菌St-10、St-85、St-107、St-120,通过测定拮抗带宽度并对拮抗菌株发酵液拮抗性的测定,最终得到1株高拮抗活性物质菌株St-10,抑菌率为52.0%。但试验分离到的菌株能否用于田间防治水稻稻瘟病,还需要进一步研究。
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| 关 键 词： | 稻瘟病 拮抗菌株 链霉菌 |
| 文章编号： | 1002-8161（2007）02-0164-03 |
| 收稿时间： | 2006-10-23 |
| 修稿时间： | 2006-10-23 |
Screening on antagonistic streptomyces of rice blast |
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| LU Ting-ting,LI Tao,HUANG Fen,LI Nan,LIANG Zhi-qun.Screening on antagonistic streptomyces of rice blast[J].Guangxi Agricultural Sciences,2007,38(2):164-166. |
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| Authors: | LU Ting-ting LI Tao HUANG Fen LI Nan LIANG Zhi-qun |
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| Institution: | College of Life Science and Technology, Guangxi University, Nanning 530004, China |
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| Abstract: | In order to search streptomyces with antagonism against rice blast pathogen from natural ecological environment,four streptomyces strains i.e St-10,St-85,St-107 and St-120 against the rice blast pathogen were obtained from soil by panel confrontation method.By measuring the width of antagonistic band and the antagonistic activity of fermentation liquid of antagonistic strains,the strain of St-10 with high activity substances resistant to rice blast was obtained and the inhibitive rate was 52.0%.However,whether the isolated strains could be used for controlling the rice blast in field or not need to be further studied. |
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| Keywords: | rice blast antagonistic strain streptomyces |
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