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0引言蚜虫是一种分布范围最广的世界性害虫,属于同翅目蚜科,别名“蜜虫”、“腻虫”、“油汗”等。杂食性,寄主植物记载有116科912种,在新疆除为害十字花科蔬菜外,还严重为害茄子、辣椒、瓜、石榴、花椒、西葫芦、南瓜、黄瓜、西红柿等作物。为了明确云菊5%天然除虫菊素乳油对十字花科蔬菜蚜虫的的防治效果、适宜的防治时期及对生态环境安全性的影响,2009年5月,我们在和田市肖尔巴格乡阿克栏杆村蔬菜田进行了试验,现将总结如下:
0 Introduction Aphids is the most widely distributed worldwide pest, belonging to the Homoptera aphid family, alias “honey insect ”, “greasy worm ”, “oil sweat ” and so on. Omnivorous, the host plant records 116 families and 912 species, in addition to harmful cruciferous vegetables in Xinjiang, but also seriously damaged eggplant, pepper, melon, pomegranate, pepper, zucchini, pumpkin, cucumber, tomato and other crops. In order to clarify the effect of 5% natural pyrethrin EC on the prevention and control of cruciferous vegetable aphids, the suitable control period and the impact on the ecological and environmental safety, in May 2009, Railing village vegetable field trial, will now be summarized as follows: