当巨峰葡萄产量较高时,常常会出现叶片早衰干枯现象。叶片早衰不仅使果穗营养不足而表现软粒、色淡、味酸,并且新梢木质化不良,枝条组织不充实,芽眼不饱满。有时这种情况常会被误认为发生了某种病害。其实管理不当,尤其后期肥水不足是叶片早衰的主要原因。防止巨峰叶片早衰应从以下几点着手。 When the Kyoho grape yield is higher, there will often be withered leaf dry early phenomenon. Premature leaf decay not only results in the lack of nutrition and performance of soft-grain ears, pale, pickled, and poor shoots of new shoots, branches of tissue is not full, Bud eyes full. Sometimes this situation is often mistaken for some kind of disease. In fact, improper management, especially in the late fertilizer shortage is the main reason for leaf failure. Jufeng leaves to prevent premature aging should start from the following points.