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厉眼蕈蚊高活性Bt菌株的筛选

Screening of Bacillus thuringiensis Against Lycoriella sp.

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【作者】 张丽; 吴梅香; 罗佳; 张灵玲; 黄雪峰; 尤梅苹; 范青海;

【Author】 ZHANG Li1,WU Mei-xiang1,LUO Jia1,ZHANG Ling-ling2,HUANG Xue-feng1,YOU Mei-ping1,FAN Qing-hai1(1.College of Plant Protection,Fujian Agriculture and Forestry University,Fuzhou Fujian 350002; 2.College of Life Science,Fujian Agriculture and Forestry University,Fuzhou Fujian 350002)

【机构】 福建农林大学植物保护学院; 福建农林大学生命科学学院;

【摘要】 采用浸渍山药饲喂法测定了46株苏云金芽孢杆菌菌株对厉眼蕈蚊的活性。初步筛选结果表明,部分菌株对厉眼蕈蚊7日~8日龄幼虫具有一定的活性,其中BRC-LLP29和IPS82毒力相对较高,处理后48 h幼虫校正死亡率可达87.93%和70.21%。复筛得出二者的LC50(96 h)分别为1.182×108 cfu.mL-1和1.977×108 cfu.mL-1。

【Abstract】 Bioassay of 46 strains of Bacillus thuringiensis to Lycoriella sp.had been carried out in this study.The results of preliminary screening indicated that larvae aged 7 d~8 d of Lycoriella sp.were sensitive to some strains,and the virulence of BRC-LLP29 and IPS82 strains was relatively high.The corrected mortality was 87.93% and 70.21%,respectively.The concentration-mortality tests of the two strains showed BRC-LLP29 was better than IPS82 and their LC50 was 1.182×108 cfu·mL-1 and 1.977×108 cfu·mL-1,respectively.

【基金】 福建省自然科学基金项目(2007I0003、2007J0006);福建省科技重大专项(2008SZ0002)
  • 【文献出处】 中国食用菌 ,Edible Fungi of China , 编辑部邮箱 ,2011年03期
  • 【分类号】S436.46
  • 【被引频次】4
  • 【下载频次】80
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