山西省运城市地处黄土高原,位于北纬35°地理带,苹果种植面积16万hm2,年产量达40亿kg左右,是全国优质苹果产地之一。苹果果实套袋技术的大面积推广应用,使苹果的着色、果品外观得到提高,也保护了果实免受化学农药等有害物质的污染,使果品质量得到明显提升。随着套袋技术的普及,苹果黑点病现已成为运城果实套袋苹果园的主要病害 Yuncheng City, Shanxi Province is located in the Loess Plateau, located at latitude 35 ° geographical belt, apple planting area of ​​160,000 hm2, annual output of 40 billion kg, is one of the origin of the country’s high-quality apples. Apple fruit bagging technology popularization and application of large area, so that apple coloring, fruit appearance has been improved, but also protect the fruit from chemical pesticides and other harmful substances in pollution so that fruit quality has been significantly improved. With the popularity of bagging technology, apple black spot disease has now become Yuncheng fruit bagging apple orchard major diseases