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近几年来，白粉病已上升为我市草莓的主要病害。据调查１９９８年烟台地区草莓约有９５％的种植面积因受白粉病危害造成不同程度减产，重者绝收，严重影响了草莓的产量与质量。为了探明该病的发生特点与防治技术，笔者进行了深入的研究和调查，现总结如下。一、白粉病发生特点
In recent years, powdery mildew has risen to the main disease of strawberries in our city. According to the survey, about 95% of strawberry area in Yantai in 1998 was cut to varying degrees due to powdery mildew damage, which seriously affected the output and quality of strawberries. In order to ascertain the occurrence of the disease characteristics and prevention and treatment techniques, the author conducted in-depth research and investigation, are summarized as follows. First, the occurrence of powdery mildew characteristics