Grafting can join scions with desirable qualities to root stock that is strong and resist desease and insects.Smaller trees can be grafted with older scions.

• 嫁接可以你期望的质量将幼芽接到砧木上，嫁接出来的植物体很强壮，可以抵制病虫害。较小的树可以给它嫁接生长时间较为长一些的幼芽。