Genetic diversity and relationships among Chinese maize inbred lines revealed by SSR markers

文献类型： 外文期刊

第一作者： Li, Y

作者： Li, Y;Du, J;Wang, T;Shi, Y;Song, Y;Jia, J

作者机构：

关键词： Zea mays;genetic diversity;maize;SSR

期刊名称：MAYDICA （ 影响因子：0.542； 五年影响因子：0.605 ）

ISSN： 0025-6153

年卷期： 2002 年 47 卷 2 期

页码：

收录情况： SCI

摘要： Fifty-eight inbred lilies of maize (Zea mays; L.) and one teosinte accession (Zea luxurians) from significant heterotic groups (i.e. Lancaster Sure Crop, Reid Yellow Dent, Tangsipingtou, mid Ludahonggu) and miscellaneous origins were assayed for simple sequence repeat (SSR. The objectives were to investigate genetic variability and genetic relationships among these inbreds lilies used ill China, and to test whether it is possible to assign these lines to heterotic groups. The results indicate that molecular markers such is SSRs are useful for assessing genetic diversity and relationships among maize inbred lilies. Generally, the profiles obtained based on molecular data were Consistent with the situation estimated based oil the pedigrees, especially for these accessions with clear and accurate pedigree records. The results supported that another heterotic group) which is derived from American maize hybrids exists. However, the assignment of maize inbreds to heterotic groups should be cautions because there existed some discrepancies between the results based Oil molecular marker analysis and conventional methods clue to a few factors.

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