近几年来,金帅苹果在我区中南部的沂南、莒县、莒南、临沂、苍山等九县市果锈发生较为严重,一般年份果锈率80%以上,极大地影响了果品的外观质量和经济效益,每年仅此一项减少收入5000—6000万元。自1990年开始地县业务部门对金帅苹果进行套袋防锈试验,取得良好成果。在试验示范的基础上,1992年全区进行较大规模地推广应用,套袋果量达1500万斤。为了总结金帅苹果套袋技术,地区站于1992年8月上旬对莒县、沂南、临沂三县市的 In recent years, Golden Delicious apple fruit rust occurred more frequently in nine counties such as Yinan, Juxian, Taonan, Linyi and Cangshan in central south of our region. The fruit rust rate in ordinary years was more than 80%, greatly affecting the fruit Appearance quality and economic benefits, only one year to reduce the income of 5000-6000 million. Since 1990, the County Business Department has carried out bagging rust tests on Golden Delicious Apple and achieved good results. On the basis of experimental demonstration, the whole region was popularized and applied in large scale in 1992, with a bagged fruit amount of 15 million kg. In order to summarize the Golden Apple apple bagging technology, the region stood in early August 1992 on Pixian, Yinan, Linyi three counties