白芨苗种苗中药材 白及种植产地 紫花三叉幼苗

白芨是一种常见的中草药，主要以其块茎入药，在临床医学上应用十分广泛，因而具备良好的种植前景。同时，由于白芨野生资源的日益匮乏，使得怎样快速繁殖白芨以扩充白芨资源变得越来越紧迫。那么白芨的繁殖方法有哪些？一起来了解下吧。

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1、分株繁殖分株繁殖，就是在春季新叶萌发前或秋冬地上部枯萎后，掘起老株，分割假鳞茎进行分植，每株可分3-5株，须带顶芽。通常，白芨的传统栽培主要就是依靠分株繁殖。但是由于白芨分株繁殖周期长，繁殖效率低，而且耗种量大，很难满足大量栽培的需要。

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2、种子繁殖就是将成熟白芨种子直接播撒到基质盘里，让其自然萌发，待其株高发育至2-3cm高时，将其分株移栽至培养穴盘中长至10-15cm再进行下田移栽。此方法的优点是能大规模地培育白芨幼苗，成本较低，但白芨的种子非常细小且无胚乳，因此在自然状况下很难萌发和生长。

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3、块茎繁殖块茎繁殖是生产中白芨用的比较多的一种繁殖方法，要精选大小中等、芽眼多、无病的块茎，春播、秋播皆可。将选好的块茎切成小块，每块有芽眼1-2个，稍凉，使伤口愈合后播种，行株距30×20cm。播好后，浇水保墒，配合使用白芨种植育苗营养液，纯生物制剂，提高育苗移栽成活率。

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4、组培快繁组培快繁的方法萌发率高、成活率高，且适宜批量快繁育苗，通常是在培养基上进行无菌播种，待种子萌发后用组织培养方法进行无性系繁殖，从而实现白芨种苗的规模化生产。但该方法因为技术门槛较高，对无菌条件要求苛刻，成本也高，不利于白芨种苗的市场化推广。

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