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当前位置: 首页 > 文章 > 核桃青皮提取物对枸杞蚜虫的触杀和拒食活性研究 河南农业科学 2010,39 (11) 72-74
Position: Home > Articles > Study on the Insecticidal and Antifeedant Activity of Extracts from Walnut Peel against Wolfberry Aphids Journal of Henan Agricultural Sciences 2010,39 (11) 72-74

核桃青皮提取物对枸杞蚜虫的触杀和拒食活性研究

作  者：
梁永锋
单  位：
宁夏师范学院化学化工学院
关键词：
核桃青皮;提取物;枸杞蚜虫;触杀活性;拒食活性
摘  要：
研究核桃青皮对枸杞蚜虫的触杀和拒食活性,为开发以核桃青皮为原料的植物杀虫剂提供依据。采用点滴法,测定了核桃青皮乙醇提取物和石油醚、氯仿、乙酸乙酯、水4种不同极性萃取物对枸杞蚜虫的触杀活性;用载毒叶片法,测定了石油醚、氯仿、乙酸乙酯、水的4种提取物对枸杞蚜虫的拒食活性。结果表明,核桃青皮提取物对枸杞蚜虫有较高的触杀活性,质量浓度为50.00 g/L时,48 h的校正死亡率达86.6%;4种萃取物对枸杞蚜虫的触杀活性和拒食活性的顺序为水萃取物>氯仿萃取物>乙酸乙酯萃取物>石油醚萃取物,其中水萃取物48 h的校正死亡率为93.0%。由此表明,核桃青皮对枸杞蚜虫具有较强的触杀活性,且杀虫活性和拒食活性较强的物质为一类极性较大的化合物。
译  名：
Study on the Insecticidal and Antifeedant Activity of Extracts from Walnut Peel against Wolfberry Aphids
作  者：
LIANG Yong-feng (College of Chemistry and Chemical Engineering,Ningxia Normal University,Guyuan 756000,China)
关键词：
Walnut peel;Extract;Wolfberry aphids;Insecticidal activity;Anti-feeding activity
摘  要：
The research aimed to study the insecticidal and antifeedant activity of extracts from walnut peel against wolfberry aphids.The insecticidal activities of the ethanol extract and 4 kinds of extracts with petroleum ether,chloroform,ethyl acetate and water from walnut peel against wolfberry aphids were studied.The results showed that 95% ethanol extract displayed high contact insecticidal activity to wolfberry aphids.The corrected mortality after 48 h reached 86.6% under the concentration of 50.00g/L.The insecticidal and anti-feeding activities of 4 extractsagainst wolfberry aphids were in the order of water extract > chloroform extract > ethyl acetate extract > petroleum ether extract.The corrected mortality of water extract after 48h was 93.0%.Walnut peel had very high contact toxicity and anti-feeding activities to wolfberryaphids,and the activity substances were a kind of strong polar compounds.

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