五针松在我国虽能结实,但绝大多数是空粒,偶有发育的有胚种子,育出的幼苗不易成苗,所以历来都采用嫁接繁殖。嫁接一般采用枝接,近年有些地方发展到嫩梢高接和芽接。嫁接成活率的高低,除了接穗的优劣和嫁接技术熟练程度之外,与砧木和接穗的亲和力有关。因此,对砧木的选择相当重要,要 Five needle pine in our country though can be strong, but the vast majority of the empty grain, occasionally developed embryo seed, seedling is not easy to nurture seedlings, it has always been used for grafting. Grafting is generally used in the branch, in recent years developed in some places to shoot high pick and budding. Grafting survival rate, in addition to the merits of scion and grafting technology proficiency, and rootstock and scion affinity. Therefore, the choice of rootstocks is quite important