[Objective] The aim was to study the biological activity of insecticidal components of Seleng Wormwood on cabbage butterfly (Pieris rapae).[Method] With the assisted condition of microwave heating,ethanol,ethyl ethe...[Objective] The aim was to study the biological activity of insecticidal components of Seleng Wormwood on cabbage butterfly (Pieris rapae).[Method] With the assisted condition of microwave heating,ethanol,ethyl ether,water and methylbenzene were selected as solvents to extract Seleng Wormwood,and the antifeedant,stomach toxicity,contact toxicity and fumigation activities of various solvent extracts against cabbage butterfly were determined.[Result] Various solvent extracts all showed certain antifeedant,stomach toxicity,contact toxicity and fumigation activity against the larvae of cabbage butterfly,and the biological activity of ethanol extract was the strongest.[Conclusion]The results could provide reference for development and utilization of botanical pesticides of Seleng Wormwood.展开更多
基金Supported by Doctoral Research Fund of Yangtze UniversityEducational Commission of Hubei Province of China(Q200712003)~~
文摘[Objective] The aim was to study the biological activity of insecticidal components of Seleng Wormwood on cabbage butterfly (Pieris rapae).[Method] With the assisted condition of microwave heating,ethanol,ethyl ether,water and methylbenzene were selected as solvents to extract Seleng Wormwood,and the antifeedant,stomach toxicity,contact toxicity and fumigation activities of various solvent extracts against cabbage butterfly were determined.[Result] Various solvent extracts all showed certain antifeedant,stomach toxicity,contact toxicity and fumigation activity against the larvae of cabbage butterfly,and the biological activity of ethanol extract was the strongest.[Conclusion]The results could provide reference for development and utilization of botanical pesticides of Seleng Wormwood.