苹果树倒干更新换种技术对于一些需要更新换种的劣种苹果树，采用传统的高接换头法虽然能达到目的，但会出现结果断档，影响产量的不良后果。而采用倒干更新换种，可达到换种、结果两不误。笔者于１９９４年对５年生国光苹果树进行倒干更新换种，嫁接品种为惠民短枝红富士... Replacement of the apple tree to change technology for some need to update the replacement of inferior species of apple trees, the use of the traditional high header method although the purpose can be achieved, but there will be results of the file, affecting the adverse consequences of yield. The use of dry replacement for a change, can be changed, the result is correct. The author in 1994 on the 5-year Guoguang apple tree for dry replacement for species, grafting varieties Huimin short branch red Fuji ...