摘要
将苦豆子提取物与两种有机磷杀虫剂分别混合后喷施，在未施用任何化学杀虫剂的菜心田和附近菜农种植的萝卜田内，对田间的主要害虫小菜蛾、黄曲条跳甲、桃蚜等，以及害虫群落的个体总数均有较好的控制作用，效果优于或相当于ＤＤＶ，对天敌与中性昆虫的影响小于ＤＤＶ。对不同种类、不同虫期的害虫控制作用表现不一。
After mixing the extract from Sophora alopecuroids with 2 organophosphorus insecticide respectively, they were sprayed into Chinese cabbage field in which never spray insecticide and neighboring radish field in which managed by vegetable farmer. For the main insect pests Plutella xylostrlla L., Phyllotreta striolata (Fabricius), Myzus persicae (Sulzer) and total individual number of pest community, they could control better and the effectiveness was higher than or equal to DDV. For natural enemy and neutral insect, the effect was lower than DDV. To distinct species or distinct stage and instar, they were vary in control action.
出处
《莱阳农学院学报》
1998年第3期195-200,共6页
Journal of Laiyang Agricultural College
关键词
苦豆子提取物
蔬菜害虫
田间控制
杀虫剂
Sophora alopecuroids extract
cruciferous vegetable pests
field control action
