【摘要】通过等位酶分析，并和同属的两个二倍体泸山铁角蕨Ａ．ｌｕｓｈａｎｅｎｓｅ和虎尾铁角蕨Ａ．ｉｎｃｉｓｕｍ比较，研究了二倍体华中铁角蕨Ａ．ｓａｒｅｌｉｉ的群体遗传结构。分析了９个酶系统共１３个位点，华中铁角蕨的群体内遗传变异非常丰富；多态位点百分率Ｐ为６１．５￣６９．２％；每个位点的平均等位基因数Ａ为２．５￣２．９；预期杂合度Ｈｅ为０．１３２￣０．２２０。群体间的分化程度较低，群体间变异占总变异的１１．
【关键词】
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