桥接能矫治矮化中间砧苹果树的早衰现象矮化中间砧苹果树具有早产、早丰的特性，很受果农喜爱。但是，我镇３３ｈｍ２（公顷）１５年生以上的矮化中间砧苹果树中，有８０％植株随着结果年龄和负载量的增长出现了早衰现象。表现为果枝过多，营养枝过少，开花大多，坐果太少... Bridging can cure the premature decline of dwarfing middlestock apple tree The dwarfing middlestock apple tree has the characteristics of premature delivery and early abundance, and is very popular with fruit farmers. However, 80% of the 33 dm2 (hectare) dwarfing apple trees over 15 years of age in my town developed premature aging with increasing age and loading. Show too many fruiting branches, vegetative branches too few, most flowering, too little fruit set ...