许多地方葡萄栽培由于密度大,田间通风不畅,加之果农常沟墒贮水,使葡萄根系发育不良,因而夏季一旦遇到连续暴雨,葡萄园就会爆发“气灼病”等病症,造成根系死亡,果皮出现青斑并凹陷变褐,果粒脱落等。如果天转晴气温上升,葡萄叶片蒸发量突然加大,根系吸水满足不了树体需求,促使果实内水分流向叶片,从而导致葡萄缩果病大 In many places viticulture due to density, poor ventilation in the field, combined with fruit and vegetable ditch moisture storage, so that grape root system dysplasia, so in summer once encountered heavy rains, the vineyard will be broken out, “gas burning disease” and other diseases, Resulting in death of the root, peel appear bruising and depression brown, fruit fall off. If the sunny days sunny temperature rise, the sudden increase of grape leaf evaporation, the root of water can not meet the needs of the tree, to promote fruit flow to the leaves within the water, resulting in reduced grape diseases