| 荆芥茎枯病拮抗木霉菌筛选及其田间防效评价 |
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| 引用本文： | 易茜茜,丁万隆,李勇.荆芥茎枯病拮抗木霉菌筛选及其田间防效评价[J].华北农学报,2009,24(Z2). |
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| 作者姓名： | 易茜茜 丁万隆 李勇 |
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| 作者单位： | 中国医学科学院北京协和医学院药用植物研究所,北京,100193 |
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| 基金项目： | 中央级公益性科研院所基本科研业务费专项资金项目 |
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| 摘 要： | 通过室内对峙培养方法,从16株候选木霉菌中筛选出对荆芥茎枯病菌有较强抑制活性的绿色木霉M3和Tv04-2菌株,抑菌率分别高达83.2%和78.2%;田间试验发现,M3菌株对荆芥茎枯病害的田间防效明显高于Tv04-2菌株.结果表明,本研究筛选出的绿色木霉M3菌株具有理想的生防潜力,可作为防控荆芥茎枯病害的候选生防菌.
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| 关 键 词： | 荆芥 茎枯病 木霉 田间防效 |
Screening of Antagonistic Trichodemar Strain Against Stem Blight of Schizonepeta tenuifolia Briq. and Evaluation of Its Biocontrol Effect |
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| YI Xi-xi,DING Wan-long,LI Yong.Screening of Antagonistic Trichodemar Strain Against Stem Blight of Schizonepeta tenuifolia Briq. and Evaluation of Its Biocontrol Effect[J].Acta Agriculturae Boreali-Sinica,2009,24(Z2). |
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| Authors: | YI Xi-xi DING Wan-long LI Yong |
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| Abstract: | Two Trichoderma viride strains, M3 and Tv04-2 ,were identified from sixteen Trichoderma strains that showing strongly antagonist activity to Phytophthora nicotianae of Schizonepeta tenuifolia Briq. by antagonistic tests, and the pathogen-inhibition ratio were 83.2% and 78.2% ,respectively. Further research showed that, the bio-control effect of Trichoderma strain M3 against Phytophthora nicotianae was higher than Trichoderma strain Tv04-2 significantly. Results indicated that Tridroderma viride strain M3 having expecting biocontrol potential, and can be used as a biocontrol candidate to Phytophthora nicotianae of Schizonepeta tenuifolia Briq. |
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| Keywords: | Sehizonepeta tenuifolia Briq Stem blight Trichoderma spp Control effect |
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