| 银杏外种皮提取物对菜青虫抑制生长与拒食活性的研究 |
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| 引用本文： | 王杰,祝树德,余碧钰,陈鹏,陆自强.银杏外种皮提取物对菜青虫抑制生长与拒食活性的研究[J].扬州大学学报(农业与生命科学版),2002,23(1):72-75. |
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| 作者姓名： | 王杰 祝树德 余碧钰 陈鹏 陆自强 |
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| 作者单位： | 扬州大学农学院植物保护系,江苏扬州,225009 |
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| 基金项目： | 江苏省“八五”、“九五”农业重点科技攻关项目 (BY940 110 2、BE963 85 ) |
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| 摘 要： | 结合对菜青虫抑制作用的常规生物测定 ,从银杏外种皮提取物中分离、筛选出具有明显抑制活性的组分B和E ,主要成分为anacardicacids的 2个组分对菜青虫的主要作用方式为拒食效应 ,未观察到触杀作用。组分E采用 1 .90、0 95、0 .63 g·kg-13个浓度处理的甘蓝菜叶饲喂菜青虫 ,最终校正死亡率分别为 81 .6%、75 .3 %、5 3 .0 %。
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| 关 键 词： | 银杏 外种皮 提取物 菜青虫 抑制作用 |
| 文章编号： | 1671-4652(2002)01-0072-04 |
| 修稿时间： | 2001年6月12日 |
INHIBITORY AND ANTIFEEDANT ACTIVITY OF EXTRACTS FROMGINKGO BILOBA L. SARCOTESTA AGAINST PIERIS RAPAE |
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| WANG Jie,ZHU Shu de,YU Bi yu,CHEN Peng,LU Zi qiang.INHIBITORY AND ANTIFEEDANT ACTIVITY OF EXTRACTS FROMGINKGO BILOBA L. SARCOTESTA AGAINST PIERIS RAPAE[J].Journal of Yangzhou University:Agricultural and Life Science Edition,2002,23(1):72-75. |
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| Authors: | WANG Jie ZHU Shu de YU Bi yu CHEN Peng LU Zi qiang |
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| Abstract: | Sarcotesta of Ginkgo biloba L. were subjected to various chemical extractions and successive extracts were monitored for inhibitory activity against larvae of Pieris rapae. Two of them, fractions B and E, which were dominantly composed of anacardic acids, showed remarkable antifeedant activity. Insects fed with the contaminated leaves of cabbage at 1.90, 0.95 and 0.63 g/kg of fraction E led 81.6%, 75.3% and 53 0% corrected mortality, respectively. No toxic effects were observed in insects after feeding on diets containing extracts of Ginkgo biloba L.. |
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| Keywords: | Ginkgo biloba L sarcotesta extracts Pieris rapae antifeedant activity |
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