防治果树病虫常采用药剂喷雾,但因树体高大和不良天气的影响,防效常不理想,既错过防治时间,又浪费人力、物力。为此,笔者经多年摸索总结出简便、安全、快速的果树药液环扎法防治果树害虫。该法不受天气变化的影响,防治效果很好,现介绍如下。 Prevention and treatment of fruit pests often use pharmaceutical spray, but because of tall trees and bad weather, the effect is often not ideal, not only missed the prevention and treatment time, but also a waste of human and material resources. To this end, the author after many years of exploration summed up the simple, safe and rapid fruit tree liquid cerclage fruit tree pest control. The law is not affected by the weather changes, control effect is very good, are presented below.