环剥、倒贴皮是促进花芽分化的有效措施。这一点,在果树工作者当中,是没有异议的。但是,当环剥、倒贴皮被应用到生产中去时却出现了明显的分歧意见。 十几年以前,北京有一个苹果园曾进行过主干环剥、倒贴皮,有效地促进了花芽分化,并大量结果。可是,严重削弱了树势。也有一些苹 Girdling, inverted skin is to promote flower bud differentiation of effective measures. There is no objection to this among fruit tree workers. However, when the girdling and decorating were applied to production there was a clear divergence of opinion. A dozen years ago, there was an apple orchard in Beijing that had undergone trunk girdling and veneering to effectively promote flower bud differentiation with a large number of results. However, weakened the tree vigor. There are also some apple