The results show that Betula microphylla var.paludosa is hard to root in softwood cutting and its good for rooting by us......

为更好地收集保存优质紫薇种质资源,从插穗运输过程保存方式、运输时间、扦插季节、插穗部位等方面探寻不受季节和路途远近限制的......