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首页> 外文期刊>Applied and Environmental Microbiology >Toxicity of parasporal crystals of Bacillus thuringiensis subsp. israelensis to mosquitoes.
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Toxicity of parasporal crystals of Bacillus thuringiensis subsp. israelensis to mosquitoes.

机译：苏云金芽孢杆菌亚种孢子晶体的毒性。以色列到蚊子。

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摘要

Toxicity of Bacillus thuringiensis subsp. israelensis (ONR-60A/WHO 1897) parasporal crystals to three medically important mosquito larvae is described. The numbers of larvae killed are in relation to crystal dry weight. The crystals are lethally toxic to Aedes aegypti Linnaeus (mean 50% lethal concentration [LC50] = 1.9 x 10(-4) micrograms/ml), Culex pipiens var. quinquefasciatus Say (LC50 = 3.7 x 10(-4) micrograms/ml), and Anopheles albimanus Wiedemann (LC50 = 8.0 x 10(-3) micrograms/ml). Purfied crystals of B. thuringiensis subsp. kurstaki, which are toxic to lepidopteran insects, are ineffective against the mosquito larvae. Likewise, B. thuringiensis subsp. israelensis parasporal crystals are not efficacious for larvae of the lepidopteran, Manduca sexta.
机译：苏云金芽孢杆菌亚种的毒性。以色列（ONR-60A / WHO 1897）到3个医学上重要的蚊子幼虫的孢子旁晶体进行了描述。杀死的幼虫数量与晶体干重有关。该晶体对埃及伊蚊具有致命毒性（平均致死浓度50％致死浓度[LC50] = 1.9 x 10（-4）微克/毫升），淡色库蚊。 quinquefasciatus说（LC50 = 3.7 x 10（-4）微克/毫升），和按蚊Albimanus Wiedemann（LC50 = 8.0 x 10（-3）微克/毫升）。苏云金芽孢杆菌亚种的纯化晶体。对鳞翅目昆虫有毒的库尔斯塔基（Kurstaki）对蚊虫幼虫无效。同样，苏云金芽孢杆菌亚种。以色列的孢子旁晶体对鳞翅目蝠duc的幼虫无效。

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