一般在成龄葡萄园中,都会不同程度地存在着多年生枝蔓光秃现象,群众称之为“瞎眼”。 (1)发生原因。造成葡萄瞎眼的原因,归纳起来,主要有以下三点:①葡萄幼树期过分徒长,新梢不充实,芽眼不饱满,加之留枝过长,次年后营养条件差,形成瞎芽。②肥料缺乏或氮素过多,造成枝蔓组织不充实,叶片功能差。③ Generally in mature vineyards, there will be varying degrees of perennial vine bare phenomenon, the masses call it “blind.” (1) causes. Grape blind causes, summed up, mainly in the following three points: ① grape young trees too long, new shoots are not full, buds are not full, combined with the remaining branches too long, poor nutrition after the following year, the formation of blind bud. ② lack of fertilizer or excessive nitrogen, resulting in stubble tissue is not full, poor leaf function. ③