元帅系的红香蕉、红星、新红星等苹果接近成熟时,由于果实内部乙烯含量增加,呼吸强度加大,致使果柄产生离层而引起自然落果,这种现象称“采前落果”。采前落果会严重降低果品质量,影响经济效益,所以必须在采前加以防止。目前,防止和减轻采前落果的方法,除了加强综合管理、培养健 Marshal Department of the red banana, red star, the new red star and other apples close to maturity, due to the increase of ethylene content within the fruit, increased respiratory intensity, resulting in stalk separation and cause natural fruit drop, a phenomenon called . Pre-harvest fruit will seriously reduce the quality of fruit, affecting economic benefits, it must be prevented before mining. At present, the methods of preventing and alleviating pre-harvest demolitions include not only strengthening general management and cultivating health