杜鹃花绚丽多彩、开花早、花期长、花色多,花朵茂盛硕大,花色富于变化,深受人们喜爱。近年来我省从丹东引进大量的杜鹃品种进行驯化种植。但是在试种中,发生叶斑病(病原是尾孢菌、刺盘孢菌、盘长孢菌等)为害,引起植株长势减弱,甚至叶片早期大量脱落而死亡.为了有效控制社鹃花叶斑病,我们进行了药剂防治筛选试验。现将情况简报如下: Rhododendron colorful, early flowering, long flowering, multi-color, flower lush huge, varied colors, loved by the people. In recent years, our province from Dandong introduced a large number of rhododendron species for domestication and cultivation. However, in the trial planting, the occurrence of leaf spot disease (the pathogen is cercosporidium, thorn ciclosporidium, macrophylla, etc.) damage, causing plant growth weakened, and even leaves a large number of off and died in early .In order to effectively control the Azalea leaves Spot disease, we conducted a drug control screening test. The briefing is now as follows: