Toxicity of Extract from Exopleura of Ginkgo biloba against Pieris rapae
Author(s): LIN Qing-hong, ZENG Xin-ping, LIU Fu-ping, ZHANG Ning, HUANG Wei-nan
Pages: 36-37,40
Year: 2005 Issue: 4
Journal: SUBTROPICAL PLANT SCIENCE
Keyword: 银杏; 外种皮; 水提液; 菜青虫; 毒力;
Abstract: 用银杏外种皮水煮提取液进行室内菜粉蝶毒力实验和田间药效测定试验.结果表明,相当于0.75g/ml的银杏外种皮提取液对菜粉蝶3龄幼虫室内浸虫试验,幼虫死亡率为76.6%,浸叶饲喂健虫的幼虫死亡率为63.3%.0.15g/ml银杏外种皮提取液对菜粉蝶3龄幼虫室内浸虫试验,幼虫死亡率为53.3%,浸叶饲喂健虫死亡率为43.3%.0.75g/ml的银杏外种皮提取液对菜粉蝶5龄幼虫室内浸虫试验,幼虫死亡率仅为33.3%.0.75g/ml银杏外种皮提取液对菜粉蝶3龄幼虫田间药效测定,其幼虫死亡率为64%,校正防治效果为63.6%.
Pages: 36-37,40
Year: 2005 Issue: 4
Journal: SUBTROPICAL PLANT SCIENCE
Keyword: 银杏; 外种皮; 水提液; 菜青虫; 毒力;
Abstract: 用银杏外种皮水煮提取液进行室内菜粉蝶毒力实验和田间药效测定试验.结果表明,相当于0.75g/ml的银杏外种皮提取液对菜粉蝶3龄幼虫室内浸虫试验,幼虫死亡率为76.6%,浸叶饲喂健虫的幼虫死亡率为63.3%.0.15g/ml银杏外种皮提取液对菜粉蝶3龄幼虫室内浸虫试验,幼虫死亡率为53.3%,浸叶饲喂健虫死亡率为43.3%.0.75g/ml的银杏外种皮提取液对菜粉蝶5龄幼虫室内浸虫试验,幼虫死亡率仅为33.3%.0.75g/ml银杏外种皮提取液对菜粉蝶3龄幼虫田间药效测定,其幼虫死亡率为64%,校正防治效果为63.6%.
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