| 一些拟青霉菌株对小菜蛾致病性的初步研究 |
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| 引用本文： | 韩燕峰,张延威,梁建东,梁宗琦.一些拟青霉菌株对小菜蛾致病性的初步研究[J].植物保护,2008,34(2):46-49. |
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| 作者姓名： | 韩燕峰 张延威 梁建东 梁宗琦 |
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| 作者单位： | 1. 贵州大学真菌资源研究所,贵阳,550025
2. 贵州教育学院化学系,贵阳,550003 |
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| 基金项目： | 国家自然科学基金
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贵州省国际科技合作项目 |
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| 摘 要： | 研究了29株拟青霉和1株白僵菌对小菜蛾的致病性。结果表明不同菌株对小菜蛾的致病性有明显差异,其中玫烟色拟青霉,环链拟青霉和球孢白僵菌对小菜蛾感染致死效果最好。另外,分离自虫体的拟青霉菌株对小菜蛾具有较好的致病性,而来自土壤的菌株对小菜蛾无致病性或仅具微弱致病性。环链拟青霉对小菜蛾的致病性与产孢量存在一定的相关性,与地理来源无明显相关性。
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| 关 键 词： | 虫生真菌 拟青霉 小菜蛾 致病性 |
| 修稿时间： | 2007年8月28日 |
Preliminary studies on the pathogenicity of some Paecilomyces isolates to Plutella xylostella |
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| Han Yanfeng;Zhang Yanwei;Liang Jiandong;Liang Zongqi.Preliminary studies on the pathogenicity of some Paecilomyces isolates to Plutella xylostella[J].Plant Protection,2008,34(2):46-49. |
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| Authors: | Han Yanfeng;Zhang Yanwei;Liang Jiandong;Liang Zongqi |
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| Institution: | 1.Institute of Fungus Resources;College of Life science;Guizhou University;Guiyang 550025;China; 2.Department of Chemistry;Guizhou Institute of 1.Institute of Fungus Resources;College of Life science;Guizhou University;Guiyang 550025;China; 2.Department o |
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| Abstract: | The pathogenicity of 29 Paecilomyces and 1 Beauveria isolates to Plutella xylostella were preliminarily studied.The results showed that these strains had great differences in the pathogenicity,especially Paecilomyces fumosoroseus,P.cateniannulatus and Beauveria bassiana,which showed the best effects.In addition,the strains isolated from insects had better effects than those from soils.There were great differences in the conidiation and pathogenicity of different isolates.The pathogenicity of different isolates of P.cateniannulatus was related to the conidiation,but not related to geographical sources. |
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| Keywords: | entomopathogenic Paecilomyces Plutella xylostella pathogenicity |
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