桫椤是少数几种树形蕨类植物之一.野生状态下的桫椤主要靠孢子繁殖,但在自然选择的历程中,它的孢子萌发和生长条件不能得到满足,因而只有极少数的孢子才能发育成一株孢子体.笔者从1989年起开始培育桫椤的孢子体,现将孢子繁殖方法介绍如下: 一、桫椤原叶体的培养 1.孢子采集当桫椤孢子叶上的孢子囊群 Scabies is one of the few tree-shaped pteridophytes, and wild scabies predominantly relies on spore propagation, but spore germination and growth conditions can not be met during the course of natural selection, and only very few spores develop Into a sporophyte .I began to cultivate the spider moss from 1989, now spore propagation methods are described below: First, the cultivation of the original bream 桫 1. 1. Spore collection Spore on the spore of the spore