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今年是执行消灭十大病虫规划的第二年,为实现消灭棉蚜和红蜘蛛的为害,建议华北各省在较有基础的棉区内,将现有的药剂防治棉蚜和红蜘蛛的技术,在大面积示范区内彻底实行,并总结系统的科学资料。几年来,华北棉区的群众,对使用药剂治蚜(蛛)的保产效果,已有普遍认识,不少地区都出现了很多成功的治蚜范例,但无可否认,目前广大棉区内,依然存在着因蚜害而卷叶,因红
This year is the second year of implementation of the plan to eliminate the top ten pests and diseases. In order to eliminate the damage caused by cotton aphids and red spider mites, it is suggested that in all the more developed areas in North China, the existing technologies for controlling cotton aphids and spider mites , Thoroughly implemented in large-scale demonstration area, and summed up the system of scientific information. Over the past few years, the masses in North China cotton area have generally recognized the effect of preserving the production of aphids (arachnids) using medicinal plants. In many areas, many successful examples of treating aphids have emerged. However, it is undeniable that within the vast cotton area , There is still because of pests and leafy, red