桥接法是补救果树树皮部分死亡的一种接树法。在北方苹果区里,腐烂病为害很烈,一般都用括去病皮来治疗它。但是如果腐烂的面积太大,括去的树皮太多,则上部制造的养份不能向根部运输,且大面积的木质部曝露在外边,容易使木质部死去,致使根部吸收的水份和养料不能向枝叶部运输,因此就容易使伤口上部的枝条和下部的根群死亡。桥接法是利用接树方法,使缺口上面和下边,用接穗把它们连接起 The bridging method is a tree-planting method that remedies the death of part of the fruit tree bark. In the northern part of the apple plant, rot disease is very damaging and generally it is treated with the dehulled skin. However, if the decay area is too large and the barks are too large, the nutrients produced in the upper part can not be transported to the roots and the large parts of the xylem are exposed to the outside, which may easily cause the xylem to die and prevent the roots from absorbing moisture and nutrients To the foliage transport, it is easy to make the upper branches of the wound and the lower root group death. Bridging method is to use the tree method, so that the gap above and below, with scion to connect them