梨锈病又名赤星病,是梨树重要病害之一,我国梨产区均普遍发生。随着旅游业的不断发展,环境的美化与绿化,柏类树木数量逐年增加,在春季多雨或适时降雨的年份,梨锈病发生为害严重。据调查,严重年份感病品种的病叶率在80％以上,造成早期落叶,不仅当年减产,也影响下年产量。砍除转主寄主的防治措施,已不切实可行,如何防治梨锈病是梨生产上迫切需要解决的问题。本文介绍了我们对梨锈病在胶东的发生规律及药剂防治技术研究的结果。 Pear rust, also known as brown spot disease, pear is one of the important diseases, pear production areas are common in our country. With the continuous development of tourism, the beautification and afforestation of the environment, the number of cypress trees increases year by year. Pear rust is seriously devastated in rainy or timely rainfall in spring. According to the survey, the incidence of diseased leaves of susceptible cultivars in severe years is above 80%, causing early deciduous foliage, which not only reduces output but also affects production in the next year. It is impractical to cut off the host control measures, and how to prevent and cure pear rust is an urgent problem to be solved in pear production. This article describes the results of our research on the occurrence of pear rust in Jiaodong and the research on the technology of chemical control.