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白茅草(Imperata cylindrica var.major)是禾本科多年生草本植物,具有抗寒、抗旱、耐瘠薄、再生力强的特性.白茅草的根茎含蔗糖、葡萄糖和少量果糖、木糖及枸橼酸、草酸、苹果酸、钾盐等成分.在寻找天然植物生长调节素时,我们用白茅根的汁液浸泡落叶松嫩枝.试验在6-7月份扦插落叶松时节进行.将白茅草根茎挖出后洗净,截成1厘米长的小段,捣碎后用纱布挤出原液;从28年生华北落叶松截取嫩
Imperata cylindrica var.major is a perennial gramineous herbaceous plant which has the characteristics of cold resistance, drought resistance, infertility resistance and strong regenerative ability.It contains the sucrose, glucose, Oxalic acid, malic acid, potassium salt and other ingredients.When looking for natural plant auxin, we use Rhizoma Imperatae juice immersed in the twig .Experiment in June-July for cutting larch season.After weed rhizome dredged Washed, cut into 1 cm long pieces, crushed with a gauze squeeze out of stock solution; from 28 years of North China Larix interception tender