江苏省邻县银杏年产量逾500吨过去主要用种子繁殖。我们于1989年一1987年进行了硬枝杆插育苗试验,效果良好。 插床东西向,长4m、宽0.8m。床上(沙质壤土)用5%硫酸亚铁水消毒,床面草帘遮荫,人工喷水保护湿润。 插条从20—40年生大树上,选1—3年生充实枝条,11月下旬剪取,潮沙中贮 Jiangsu Province, neighboring county ginkgo annual output of more than 500 tons in the past mainly with seed breeding. We conducted a hardwood pole seedling experiment from 1989 to 1987 with good results. Lathe bed east-west, length 4m, width 0.8m. Bed (sandy loam) with 5% ferrous sulfate water disinfection, bed curtain shade, artificial water protection wet. Cuttings from 20 - 40-year-old tree, choose 1-3 years to enrich the branches, cut in late November, the tide sand storage