1 目的意义银杏(Ginkgo biloba L.)为我国原产的珍贵稀有树种,落叶乔木,系果林两用树种,是丹东市树。多年来一直延用有性繁殖,为了使该树种扩繁起来,我们于1986—1987年进行了扦插繁殖试验. 2 试材与方法在夏季结合整形修剪进行采穗,以12—15cm长度截取新、老枝分放。随采条,随处理,随扦插。处理方法为将穗材基杏阳cm长浸入生根粉溶液中1小时,插后空气湿度控制在90%左右,控制2个月即可。 1 Purpose Ginkgo biloba L. is rare and precious tree species native to China, deciduous tree, Department of fruit trees dual tree species, is Dandong City tree. For many years has been the use of sexual reproduction, in order to make the tree expansion up, we carried out in 1986-1987 cuttage propagation test .2 test materials and methods in summer with plastic pruning scoop, with a length of 12-15cm interception The old branch was put. With the mining, with processing, with cuttings. Treatment method is to spike base Xing Yang cm cm immersed in the rooting powder solution for 1 hour, after insertion of air humidity control at about 90%, control 2 months can be.