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Effects of Methanol Extracts from 23 Plants on the Bioactivity of Cabbage Worm, Pieris rapae
Author(s): PING Xin-liang, LI Bao-tong, LIN mei, WANG Yan-bin, WEN Ming-xia, FENG Xian-ju, CAI Wen
Pages: 103-
105
Year: 2008
Issue:
3
Journal: JIANGXI PLANT PROTECTION
Keyword: 植物源杀虫剂; 杀虫活性; 菜青虫;
Abstract: 在室内研究了23种植物甲醇提取物对菜青虫的生物活性.结果表明,在供试的23种植物中以曼陀罗的生物活性最强,药后24h菜青虫3龄幼虫死亡率达83.33%,其次为鸢尾,药后48h死亡率为80.00%;再次为爵床和玉簪,药后72h死亡率分别为81.85%和79.26%;其它依次为白骨钉、博落茴、羊踯躅、灯台莲,药后72h死亡率均在62.00%以上.药后72h死亡率在40.00%以上的植物还有养耳菊、江南山梗菜、土荆芥、菖蒲、莽草、万年青、金钱吊乌龟等7种,对菜青虫3龄幼虫生物活性不十分明显的植物有清风藤等8种.
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