推广使用移植皮层法对挽救苹果树环剥口不愈合和恢复树势很有效，成活率高达98％以上。具体作法是：环剥一个月后检查环利口愈合情况，将不愈合或不能完全愈合的环剥口用波美5度石硫合剂消毒，待药液干后用利刀在利口处上下取下一块是长方形皮层，长度比剥口上下各长2～2．5厘 Promote the use of transplantation cortical method to save the apple tree ring wound healing and recovery of tree vigor is very effective, survival rate as high as 98%. The specific practice is: one month after circumcision check ring litchi healing situation, will not heal or can not be completely healed ring rip mouth with Baume 5 degrees stone sulfur mixture disinfection, to be dried with a liquid knife with a knife in the stool up and down One is a rectangular cortex, the length of the upper and lower than the length of 2 ~ 2.5%