前言超低容量喷雾是60年代中期在国际上出现的新技术。由于它具有工效高、成本低、效果好、节省农药等优点,已有一些国家开始用于农业害虫防治。我国自1973年开始研究,1976年正式应用于农业生产。但至目前为止,在国内外仍主要用在防治虫害上,在林木病害防治上,尚未见到有关报导。1979年,吉林省林科所、吉林市林科所、敦化林业局和林业部安阳林药厂等单位应用安阳林药厂试制的百菌清杀菌油剂,对落叶松落叶病、枯梢病进行地面超低容量喷雾 Introduction Ultra-low volume spray is a new technology that emerged in the world in the mid-1960s. Because of its high efficiency, low cost, good effect, the advantages of saving pesticides, some countries have begun to be used for agricultural pest control. Our country started to study in 1973, formally applied to agricultural production in 1976. So far, however, they are still mainly used in the prevention and control of pests both at home and abroad. No reports have been found on the prevention and treatment of forest diseases. In 1979, Forestry Branch of Jilin Province, Lin Branch of Jilin City, Dunhua Forestry Bureau and Anyang Forestry Department of Forestry and other units using Anyang Lin pharmaceutical factory trial fungicide Qing fungicide oil, larch deciduous disease, blight Carry out ultra-low capacity spray on the ground