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经调查,贺兰山东麓葡萄主要病虫害为葡萄白粉病、葡萄灰霉病、葡萄霜霉病、葡萄毛毡病、葡萄病毒病(主要是葡萄扇叶病毒病和葡萄卷叶病毒病)和葡萄斑叶蝉。葡萄白粉病自7月上旬开始发生,一直持续到落叶;葡萄灰霉病7月14日零星发生,直到9月上旬开始大发生;葡萄霜霉病7月底8月初开始发生,之后呈直线上升趋势;葡萄毛毡病在各葡萄园普遍发生,而且发生严重,尤其是永宁县玉泉营地区。葡萄斑叶蝉在当地1年发生3代,从5月上旬开始即在葡萄上为害,一直持续到10月。
After investigation, the main pests and diseases of Grapevine at Helu Mountain eastern foot are grapes powdery mildew, grape gray mold, grape downy mildew, grapefruit disease, grapevirus disease (mainly grapevine leaf disease and grape leafroll virus disease) and grape spot Leafhoppers. Grape powdery mildew began to occur from the beginning of July until the deciduous. Grape gray mold occurred sporadically on July 14 and started to occur in early September. Grape downy mildew began to occur from the end of July to the beginning of August and then rose linearly ; Grapefruit disease occurred in various vineyards, and serious, especially Yuquan Ying Yongning area. Three generations of grape leafhoppers in the local occurrence of 1, from early May that is harmful to the grapes, until October.