四川省凉山彝族自治州南部三县苦荞麦栽培居群的遗传多样性研究

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采用等位酶电泳技术测定了四川省凉山彝族自治州南部金阳、雷波和米易①3县的苦荞麦[Fagopyrum tataricum (L.) Gaertn.]8个栽培居群的遗传多样性和分化,结合农业生物学性状进行了分析.苦荞麦居群的遗传多样性水平较高,每个位点的等位基因平均数为1.8,多态位点比率为46.6%,平均实际杂合度和预期杂合度分别为0.187和0.218,FsT值为0.22,居群间存在较明显的遗传分化,为了保护苦荞麦的种质资源,应该分别加以保护.
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