AFLP molecular markers of 10 species of Pyrus in China

文献类型： 外文期刊

第一作者： Lin, SG

作者： Lin, SG;Fang, CQ;Song, WQ;Zhang, F

作者机构：

期刊名称：PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM ON ASIAN PEARS COMMEMORATING THE 100TH ANNIVERSARY OF NIJISSEIKI PEAR, VOLS I AND II

ISSN： 0567-7572

年卷期： 2002 年 587 期

页码：

收录情况： SCI

摘要： DNA molecular markers of 10 species of Pyrus were conducted with AFLP (Amplified Fragment Length Polymorphism) technique. The results indicated that 355 DNA fragments were amplified by using 6 pairs, 9 combinations of primers, in which 281 fragments presented polymorphism and accounted for 79.2% of the total fragment numbers. On average, 39 DNA fragments were produced by a pair of primers and this presented the abundant polymorphism of Pyrus. Cluster analysis was carried out by using the amplified results of DNA. The analysis indicated that each species had different genetic distance. It was shown that AFLP technique can be used as the basis of the taxonomy and identification of species of Pyrus. The blood relationships among species of Pyrus were analysed at the DNA level.

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