红松容器苗嫁接培育技术研究

Cultivation Techniques for Grafted Container Seedlings of Pinus koraiensis

以圃地育苗嫁接方法作对照,对红松容器苗嫁接技术进行了试验研究,结果表明:与对照相比,红松容器苗的嫁接可使新梢生长量提高16.5%,新梢粗度提高15.1%,冠幅提高4.4%,侧根条数增加71.7%,嫁接成活率提高7.2个百分点,Ⅰ级苗率提高21.7个百分点,间接提高上山造林成活率12.5个百分点。红松容器苗可为红松嫁接提供优质砧木,并能显著提高嫁接苗的经济效益。

Taking seedling-raising method in nursery land as CK ,grafting technology of Pinus koraiensis were stud-ied .Result shows that ：compared with CK ,grafted container seedlings of Pinus koraiensis can increase growth of new shoots ,length in diameter of new shoot ,crown ,lateral number ,grafting survival rate ,rate of GradeⅠseedlings , survival rate by 16 .5% 15 .1% ,4 .4% ,71 .7% ,7 .2% ,21 .7% 12 .5% ,respectively .Container seedlings of Pi-nus koraiensis can offer superior rootstock and can significantly increase the economical benefits .