苹果树高接换种后当年管理技术高接换种是淘汰老品种、发展新品种行之有效的措施，在生产上被广泛应用。现将高接后的当年管理技术简介如下。１．及时解除包扎物５月上中旬，接穗开始加粗生长时，及时解除包扎物，以免卡住新梢影响高接枝生长。２．设支柱新梢长至２０～３０厘 Apple tree high takeover after the management of high technology is to replace the old variety, the development of new varieties of effective measures in the production has been widely used. Now high then the management of technology is as follows. 1. Time to lift the bandage in mid-May, the scion began bold growth, timely lifting bandage, so as not to jam the shoot affect the high graft growth. 2. Pillar new shoots set up to 20 to 30%