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西瓜种质资源遗传差异的SRAP和EST-SSR分析

DOI: 10.7668/hbnxb.2010.03.018, PP. 76-79

Keywords: 野生西瓜,栽培西瓜,多态性,SRAP,EST-SSR

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Abstract:

利用30对SRAP(Sequencerelatedamplifiedpolymorphism)引物和11对EST-SSR引物对西瓜9份栽培自交系、3份美国材料和6份非洲野生种进行了遗传多样性分析。结果表明,栽培种与野生种间多态性比率高达92.11%,野生种间多态性比率为34.11%,栽培种间多态性比率仅为21.05%。3份美国材料的扩增带多数与栽培种相似,但也扩增出了一些特异条带。试验表明SRAP和EST-SSR用于西瓜作物的遗传分析是高效可行的。

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