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Study on Toxicity of Different Kinds of Insecticides against Aphis gossypii Glover(Cotton Aphid)

Hongliang Wang

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Abstract

The result showed that resistance of cotton aphid to pyrethroids insecticide was in high level among several kinds of insecticides through toxic comparison,LC_(50) of 20% deltamethrin against cotton aphid was 857.39 mg·L~(-1);cotton aphid was sensitive to abamectin and imidacloprid.Their LC_(50) were respectively 0.20 mg·L~(-1) and 1.41 mg·L~(-1),yielded resistance to organphosphate insecticide and carbamates insecticide in some degree,their LC_(50) were respectively 22.06 mg·L~(-1) and 179.4 mg·L~(-1).In chemical controlling cotton aphid,abamectin and imidacloprid insecticide should be utilized firstly.

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What this paper is about

The result showed that resistance of cotton aphid to pyrethroids insecticide was in high level among several kinds of insecticides through toxic comparison,LC_(50) of 20% deltamethrin against cotton aphid was 857.39 mg·L~(-1);cotton aphid was sensitive to abamectin and imidacloprid.Their LC_(50) were respectively 0.20 mg·L~(-1) and 1.41 mg·L~(-1),yielded resistance to organphosphate insecticide and carbamates insecticide in some degree,their LC_(50) were respectively 22.06 mg·L~(-1) and 179.4 mg·L~(-1).In chemical controlling cotton aphid,abamectin and imidacloprid insecticide should be utilized firstly.

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Available abstract

The result showed that resistance of cotton aphid to pyrethroids insecticide was in high level among several kinds of insecticides through toxic comparison,LC_(50) of 20% deltamethrin against cotton aphid was 857.39 mg·L~(-1);cotton aphid was sensitive to abamectin and imidacloprid.Their LC_(50) were respectively 0.20 mg·L~(-1) and 1.41 mg·L~(-1),yielded resistance to organphosphate insecticide and carbamates insecticide in some degree,their LC_(50) were respectively 22.06 mg·L~(-1) and 179.4 mg·L~(-1).In chemical controlling cotton aphid,abamectin and imidacloprid insecticide should be utilized firstly.

Key concepts: Imidacloprid, Aphis gossypii, Abamectin, Aphid, Deltamethrin, Toxicology, Biology, Pesticide

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Study on Toxicity of Different Kinds of Insecticides against Aphis gossypii Glover(Cotton Aphid) — Research Paper | ScholarLens