通常采用无性方法来繁殖金鸡纳树,因无性繁殖的后代比有性繁殖的进入生产期早,而且遗传性状与母树相似。生产上一般选用易成活、速生、根壮和较抗根病的红金鸡纳树(Cinchona succirubra)作砧木,用产品质量好的莱氏金鸡纳树(C.ledgeriana)作接穗。接穗要具备两个条件,即产量高和与砧木的接合能力好。在莱氏金鸡纳树中有一些优良高产 Asexual methods are usually used to propagate cinchona trees, because offspring of vegetative propagation enter the productive period earlier than sexual reproduction, and the genetic traits are similar to the parent tree. Cinchona succinubra, a viable, fast-growing, root-strong and root-resistant disease, is used as a rootstock in production and sclerosants are made of C. sureriana with good quality. Scion to have two conditions, that is, high yield and rootstock engagement ability. There are some good and high yields in Lai’s cedar tree