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近年来,我区麦蚜和温室菜蚜常发成灾。而在麦作拔节、抽穗后,由于植株株高脆,行间郁闭,人及施药器械出入不便,且易折断植株。另外,据调查,40％以上的蚜虫都集中在植株剑叶以下第二及第三片叶的反面,叶片喷雾效果较差。在温室内,尤以冬季没有天敌控制的情况下蚜虫发生多,常常每月即需施药一次,既费工费药,又减加了蔬菜内农药残毒。而且灭蚜不彻底。根据蚜虫的生活习性及其在植株上的分布规律,借鉴国内外利用烟剂防治仓库、森
In recent years, my area wheat aphid and greenhouse aphids often catastrophe. In the wheat jointing, heading, the plant due to high crisp, between canopy, people and facilities for access inconvenience, and easy to break the plant. In addition, according to the survey, more than 40% of the aphids are concentrated on the opposite side of the second and third leaves below the flag leaf of the plant, and the leaf spraying effect is poor. Aphids occur more frequently in the greenhouse, especially in winter when there is no natural enemy control. The pesticides often need to be applied once a month, not only for labor costs but also for pesticide residues in vegetables. And off aphids is not complete. According to the living habits of aphids and their distribution on the plant, using domestic and foreign tobacco control agent warehouse, Sen