数字农科院2.0

A genetic diversity analysis of wild Lespedeza populations based on morphological characters, allozyme and RAPD methods

文献类型： 外文期刊

作者： Zhang, J. Y.;Yuan, Q. H.;Meng, Y. Q.;Li, X. L.;Nan, Z. B.;Wang, Y. R.;Zhang, W. S.

作者机构：

关键词： Lespedeza;morphological characters;allozyme;random amplified polymorphic DNA;genetic diversity

期刊名称： PLANT BREEDING

ISSN： 0179-9541

年卷期： 2007 年 126 卷 1 期

页码：

收录情况： SCI

摘要： Genetic variability within and among 14 Chinese natural populations of Lespedeza Michx. Used mainly for wildlife food and cover and for erosion control was evaluated on the basis of morphological characteristics, allozyme markers and random amplified polymorphic DNAs (RAPDs). All methods disclosed a high degree of allelic heterogeneity among samples, also revealing a high degree of gene diversity. Genetic variation among populations was higher for RAPD than for enzyme loci. Correlation between morphological, allozyme and RAPD distance matrices were calculated by Mantel' tests. There was a little disparity between the three level's distances on population relationships. However, there is a weak significant correlation (P < 0.001) between morphology and allozyme distances as well as morphology and RAPD distances, and the test of this correlation is very high.

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