论文部分内容阅读
食用醋可防治梨介壳虫1989年湖北仙桃市局部地区降酸雨,第2年梨介壳虫发生较轻,分析其原因,认为是酸性浸入蜡质层,杀死了介壳虫,以此为启发,1990年冬季我们通过小面积喷布食用醋,做防治梨介壳虫试验,效果极佳;以后连续4年在我市三伏潭镇、红卫林场及下...
Pesticide vinegar can prevent pear scale insects 1989 Xiantao City, Hubei Province, some areas of acid rain, the second year Pear scale pests occurred lighter, analysis of the reasons that it is acidic immersed in the waxy layer, killing the scale insects, as inspiration, In the winter of 1990, we sprayed vinegar on a small area to make pest control tests on pears, and the result was very good. After 4 consecutive years in Sanfutan Town, Hongwei Forest Farm and ...