| 芽孢杆菌对黄瓜霜霉病的防治效果研究 |
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| 引用本文： | 李星,张汀,杨文香,董立,刘大群.芽孢杆菌对黄瓜霜霉病的防治效果研究[J].植物保护,2003,29(4):25-27. |
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| 作者姓名： | 李星 张汀 杨文香 董立 刘大群 |
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| 作者单位： | 河北农业大学植物保护学院,保定,071001 |
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| 基金项目： | 河北省科技技术研究与发展项目(01220139D) |
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| 摘 要： | 经黄瓜霜霉病孢子囊萌发抑制试验明确,芽孢杆菌菌株Z-X-3、Z-X-10对黄瓜霜霉病菌有较强拮抗作用。离体叶片法和温室防病试验表明,两菌株对黄瓜霜霉病有较好的防治效果,相对保护效果分别达46.42％、41.55％;治疗效果分别达46.30％、44.44％,高于农药克霜氰的31.81％、37.03％。
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| 关 键 词： | 有害生物生物防治 黄瓜霜霉病 芽孢杆菌 |
| 文章编号： | 0529-1542(2003)04-0025-03 |
| 修稿时间： | 2002年11月12 |
Studies on the effect of Bacillus on downy mildew of cucumber |
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| LI Xing;ZHANG Ding;YANG Wen-xiang;DONG Li;LIU Da-qun.Studies on the effect of Bacillus on downy mildew of cucumber[J].Plant Protection,2003,29(4):25-27. |
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| Authors: | LI Xing;ZHANG Ding;YANG Wen-xiang;DONG Li;LIU Da-qun |
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| Institution: | College of Plant Protection;Agricultural University of Hebei;Baoding 071001;China |
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| Abstract: | Twostainsi Z-X-3 and Z-X-10, of Bacillus with strong antagonistic activity against Pseudoperonospora cubensis (Berk, et Curt.) Rostov, were selected by using an apore-germination method. The control effects of Z-X-3, Z-X-10 strains on downy mildew of cucumber were tested on detached-leaves and in greenhouse. The relative immunisation efficiencies of Z-X-3 and Z-X-10 were 46.42% and 41.55%, and the control effects were 46.30% and 44.44%, respectively. They were higher than those of chemical fungicide cymoxanil and mancozb with 31.81 % and 37.03% , respectively. |
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| Keywords: | pest biocontrol Pseudoperonospora cubensis (Berk et Curt ) Rostov Bacillus |
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