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穿孔病是园林苗木的主要病害之一,大多数核果类苗木都是易感病品种,此病主要为害叶片,也为害嫩梢、枝干和果实,防治难度比较大。笔者借助显微镜,利用观察法对田间病菌孢子传播情况和田间病害发生情况进行测报分析,取得了测报结果,总结出了田间发病的始期、盛期和末期,制定了一套综合防治方法,并用于田间防治,取得了良好的防治效果。
Perforated disease is one of the main diseases of garden seedlings. Most of the stone fruits and nurseries are susceptible varieties. The disease mainly affects the leaves and also damages young shoots, branches and fruits, making it more difficult to control. The author uses the microscope to observe the sporadic transmission of field bacteria and the field disease by means of observation and analysis. The results of the measurement are obtained and the beginning, peak and end of the onset of the field are summed up, and a set of comprehensive prevention and cure methods are formulated and used in Field control, and achieved good control effect.