我队果园于1984年建立。当时从外地引入葡萄苗木。自1987年发现了部分玫瑰香品种染上了根瘤癌肿病。当年发病率达10％,由于没有防治办法,至1988年发病率上升到40％左右。其中巨峰品种发病率为6～25％,玫瑰香品种发病率为50％。1989年巨峰品种则上升到40～80％,玫瑰香95％以上,康拜尔1％,黑汉 Our team orchard was established in 1984. Introduced grape seedlings from the field at the time. Since 1987, some rosewood varieties have been found to have been infected with root tumor tumors. In the same year, the incidence rate reached 10%. Since there was no prevention and cure, the incidence increased to about 40% by 1988. Including Kyoho species incidence of 6 to 25%, Rose incense species incidence of 50%. 1989 peak species rose to 40 to 80%, 95% more than Rose, Kang Baier 1%, black han