杠柳根皮乙醇粗提液对菜青虫的拒食作用及其防治效果
Antifeedant effect and control efficacy of ethanol crude extracts from the root bark of Periploca sepium against imported cabbage worm, Pieris rapae
朱九生;乔雄梧;王静;秦曙
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作者单位:山西省农药重点实验室,山西省农业科学院植物保护研究所太原030031
中文关键词:杠柳;乙醇粗提液;菜青虫;拒食作用;防治效果
英文关键词:Periploca sepium Bunge.; ethanol crude extract; Pieris rapae (L.); antifeedant effect; control effect;
中文摘要:测定了杠柳 (PeriplocasepiumBunge .)其根皮乙醇粗提液对菜青虫Pierisrapae (L .)的拒食活性 ,并进行了乙醇粗取液及其与氯氰菊酯混用防治菜青虫药效试验。生测结果表明 ,乙醇粗提液对菜青虫 4龄和 5龄幼虫具有较强的拒食活性 ,24h拒食中浓度分别为 1320.8mg/L
英文摘要:The result of bioassay indicated that the ethanol crude extract from Periploca sepium Bunge had strong antifeedant effect on Pieris rapae 4 and 5-instar larvae, and the AFC 50s at 24 h were 1 320.8 mg/L and 1 196.3 mg/L respectively. The experiment