| 五种芽孢杆菌对小菜蛾的拒食作用及对Bt杀虫增效作用的研究 |
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| 引用本文： | 张贵森,刘慧芹,张宝俊,韩巨才,刘慧平. 五种芽孢杆菌对小菜蛾的拒食作用及对Bt杀虫增效作用的研究[J]. 山西农业大学学报(自然科学版), 2014, 34(5): 407-410 |
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| 作者姓名： | 张贵森 刘慧芹 张宝俊 韩巨才 刘慧平 |
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| 作者单位： | 1. 山西农业大学农学院,山西太谷,030801
2. 山西农业大学农学院,山西太谷030801;天津农学院园艺系,天津300384 |
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| 基金项目： | 山西省科技基础条件平台建设项目，山西省科技攻关项目，山西省财政支持农业科技成果转化资金 |
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| 摘 要： | 采用浸叶法测定了芽孢杆菌LP-5、LB-2、YC-8、F-3、LP-1对小菜蛾的拒食作用,比较了5种菌株对小菜蛾的非选择性和选择性拒食作用。结果表明LP-5在处理48h后的非选择性拒食率和选择性拒食率分别高达91.30%和90.76%,具有较明显的拒食作用。同时,不同浓度的LP-5发酵液对苏云金芽孢杆菌(Bt)制剂的杀虫活性有不同程度的影响,均对Bt具有增效作用,其中原液与Bt制剂的混合液的增效达44.78%。
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| 关 键 词： | 小菜蛾 芽孢杆菌 拒食作用 Bt 增效作用 |
The Antifeeding Effects of Five Strains of Bacillus on Plutella xylostella and Synergistic Effects on Bt |
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| Zhang Guisen,Liu Huiqin,Zhang Baojun,Han Jucai,Liu Huiping. The Antifeeding Effects of Five Strains of Bacillus on Plutella xylostella and Synergistic Effects on Bt[J]. Journal of Shanxi Agricultural University(Nature Science Edition), 2014, 34(5): 407-410 |
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| Authors: | Zhang Guisen Liu Huiqin Zhang Baojun Han Jucai Liu Huiping |
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| Affiliation: | Zhang Guisen ,Liu Huiqin , Zhang Baojun , Han Jucai , Liu Huiping ( 1. College of Agriculture, Shanxi Agricultural University, Taigu Shanxi 030801 , China ; 2. Department of Horti- culture, Tianjin Agricultural University, Tianjin 300384 , China) |
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| Abstract: | The antifeeding effects of Bacillus LP-5,LB-2,YC-8,F-3,LP-1on Plutella xylostella were tested with leaf dipping method.Non-selective and selective effects of five strains of Bacillus on Plutella xylostella were compared.The results showed that non-selective and selective antifeeding rates by LP-5reached 91.30%and 90.76%,respectively,showing significant effects.Meanwhile,fermentation broth of LP-5with different concentrations had different effects on the activity of Bacillus thuringiensis（Bt）,though all showed synergistic effect.Moreover,synergistic effect of the crude fermentation broth with Bt reached 44.78%. |
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| Keywords: | Plutella xylostella Bacillus Antifeeding Bt Synergy |
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