泡桐的埋根育苗是利用泡桐一、二年生苗木的根,进行繁殖。泡桐埋根育苗,方法简便,苗木出土一致,生长整齐,成苗率高,管理容易、生长迅速。但育苗时应掌握以下几个技术环节。 一、选好种根 选适于当地生长的优良品种,从泡桐落叶后到发芽前均可采集种根,种根采集后,要进行挑选和剪截,剔除机械损伤和有病虫害的根,选取直径1—4厘米的根。剪截成长度为20厘米左右的短节。为防止种根倒埋,种头的剪口要上头齐,下头斜,种根剪好后,凉晒2—3天,以提高 Paulownia rooting seedling is the use of Paulownia one, two-year-old seedling roots, breeding. Paulownia embedding root nursery, the method is simple, unearthed nursery stock, neat growth, high seedling rate, easy management, rapid growth. However, seedlings should have the following technical aspects. First, choose a good kind of root selection suitable for local growth of fine varieties, from Paulownia deciduous leaves before germination can be collected before planting roots, seed collection, to be selected and cut, excluding mechanical damage and pests and diseases of the roots, select Roots 1-4 cm in diameter. Cut into length of about 20 cm short section. In order to prevent the kinds of roots buried, kind of cut to the top of Qi, head oblique, cut roots, cool the sun for 2-3 days to improve