银杏的常规扦插育苗,插穗先抽梢出叶,然后萌生根系,往往影响了插穗的成活和生长。用控光的方法,可使插穗先生根后长枝叶,提高插苗的成活率和生长量。其技术要点是: 1.控光时间 2月上旬至4月下旬均可进行,但以3月上旬最好,此时经控光处理的 Gingko conventional cuttings nursery, cuttings first shoot out leaves, and then germinate roots, often affecting the survival and growth cuttings. With the method of light control, cuttings can make long branches after the cuttings, improve the survival rate of seedlings and growth. The technical points are: 1. Control light time from early February to late April can be carried out, but the best in early March, this time by the light control