Study on the taxonomy status of alfalfa with cream flowers

文献类型： 外文期刊

第一作者： Liu Lei

作者： Liu Lei;Li Zhiyong;Shi Wengui;Li Hongyan;Huang Fan;Li Jun;Wang Meizhen;Wang Meizhen

作者机构：

关键词： Alfalfa with cream flower;Chromosome karyotype;ISSR marker;Morphology;Taxonomical status

期刊名称：LEGUME RESEARCH （ 影响因子：0.589； 五年影响因子：0.648 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： Alfalfa with cream flowers is differentiable and genetically stable; however, describing it in scientific research is difficult and ambiguous because of its taxonomical status. This research attempts to delimit the taxonomical status of 14 accessions, including Medicago sativa ssp. sativa, alfalfa with cream flowers, Medicago sativa ssp. falcata and Medicago ruthinica L., using morphology, chromosome karyotypes and inter simple sequence repeat (ISSR) markers. From morphology and the IS SR-PCR analysis, three accessions of M. ruthenica L. were clustered into an independent group, and the remaining 11 accessions were clustered into three groups apparently based on flower color. Alfalfa with cream flowers had its own remarkable chromosome karyotype. The genetic distance between alfalfa with cream flowers and M sativa ssp. sativa was almost equal to that between M sativa ssp. falcata and M sativa ssp. sativa. In conclusion, alfalfa with cream flowers may be an independent population just like M sativa ssp. falcate, representing a subspecies of M. sativa ssp. according to certain taxonomic principles.

分类号： S52

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