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Position: Home > Articles > Isolation and Screening of Bt Strains Against Noctuidae Biological Disaster Science 2014,37 (3) 241-243

夜蛾科昆虫高毒力苏云金杆菌菌株的分离和筛选

作  者:
白雪峰
单  位:
山东省滕州市植保植检站
关键词:
苏云金芽孢杆菌;菌株分离;生物测定
摘  要:
从山东省采集的750份土样中分离出苏云金芽孢杆菌菌株57株,这些菌株的晶体形态主要有菱形、圆形等。以夜蛾科害虫粘虫和甜菜夜蛾初孵幼虫为试虫,通过生测筛选出一株高毒力菌株QCL-1。菌株QCL-1对甜菜夜蛾的毒力显著高于标准菌株HD-1,对粘虫的毒力与HD-1相当。
译  名:
Isolation and Screening of Bt Strains Against Noctuidae
作  者:
BAI Xue-feng;Plant Protection and Quarantine Station of Tengzhou;
关键词:
Bacillus thuringiensis;;isolation;;bioassay
摘  要:
57 Bt strains were isolated from 750 soil samples selected from Shandong Province. Crystal shapes could be observed as bipyramidal, spherical and so on. Toxicity comparison results showed that strain QCL-1 was more toxic than strain HD-1 against Spodoptera exigua, and as same as that against Mythimna separata.

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