葡萄是胶东地区重要的水果之一,但最近几年葡萄根颈以上部位畸形增粗在胶东地区葡萄园偏重至大发生,葡萄根颈以上枝干畸形增粗影响了营养的输导,导致葡萄树势衰弱至死亡。据调查,乳山市市个别葡萄园出现葡萄根颈以上部位畸形增粗症状发病率达到了90%以上,许多专家和农民称之为 Grape is one of the important fruits in the Jiaodong area. However, in recent years, the deformity thickening of the above parts of the root of the grape in the Jiaodong area has been emphasized to occur. The thickening of branch deformities above the root of the grape affects the nutrition guidance, Tree weakness to death. According to the survey, the incidence of deformities and thickening of the above parts of the root of the grape in the individual vineyards of Rushan City has reached over 90%, and many experts and farmers call it