Bacillus thuringiensis and Bacillus spha
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Magda A. El-Bendary
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Article
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2006
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John Wiley and Sons
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English
⚖ 116 KB
The long residual action and toxicity of the chemical insecticides have brought about serious environmental problems such as the emergence and spread of insecticide resistance in many species of vectors, mammalian toxicity, and accumulation of pesticide residues in the food chain. All these problems