葡萄枝蔓随着树龄增加和管理不当,主蔓上常出现大段的光秃带,群众称“瞎眼”.在龙干整枝时,进入盛果期以后,枝蔓瞎眼逐渐增加,新梢数量显著减少,致使产量急聚下降.1.造成“瞎眼”的原因(1)在幼树整形阶段,延长蔓生长过速、过旺,表现为徒长症状,芽眼不充实,冬剪又留得过长,春天萌芽不整齐,出现整段的瞎眼.(2)有些品种树势 Grape vine with vine age increase and improper management, the main vine often appear a large band of light, the masses said “blind.” Dragon dried pruning branches, into the full fruit period, the blind sticks gradually increased, the number of shoots significantly reduced , Resulting in an acute drop in output.1.Can cause “blind” (1) in the sapling stage, to extend the growth of vine over-speeding, over-performance, performance is leggy symptoms, bud eye is not full, winter and cut too long, Spring budding irregular, appear the entire blind. (2) Some varieties of tree potential