The another mutation is Yudan from bud mutation of Fendan.The research results show that new varieties of Camellia japonica can be bred with grafting, because of the affection between scion and stock.

• 试验表明:利用嫁接变异培养山茶花新品种，接穗和砧木可以互为影响，可以根椐不同的目的，设计不同的砧穗组合，或使接穗异变为新品种，或使砧木异变为新品种。