光皮桦（Betulaluminifera）树体高大，树干通直，生长快，木材质地均匀、细致，宜作胶合板和装饰板材料。但由于其种子小，育苗困难，使得造林难以推广。现将我们近几年的采种育苗经验简介如下。种子一般在6月下旬成熟，成熟后即散落，故要及时采收。种子阴干，避免曝晒。可随 Betula brightifera (Betulaluminifera) tree tall, trunk straight, fast growth, wood texture uniform, meticulous, suitable for plywood and decorative board material. However, due to its small seeds, nursery difficulties, making afforestation is difficult to promote. Now we in recent years seedling raising experience is as follows. Seeds generally mature in late June, after the scattered scattered, it is timely harvest. Seed dry, to avoid exposure. Can be