Summary
Fifty-eight soybean accessions from the genus Glycine, subgenus Soja, were surveyed with 17 restriction fragment length polymorphism (RFLP) genetic markers to assess the level of molecular diversity and to evaluate the usefulness of previously identified RFLP markers. In general, only low levels of molecular diversity were observed: 2 of the 17 markers exhibited three alleles per locus, whereas all others had only two alleles. Thirty-five percent of the markers had rare alleles present in only 1 or 2 of the 58 accessions. Molecular diversity was least among cultivated soybeans and greatest between accessions of different soybean species such as Glycine max (L.) Merr. and G. soja Sieb. and Zucc. Principal component analysis was useful in reducing the multidimensional genotype data set and identifying genetic relationships.
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Communicated by A. L. Kahler
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Keim, P., Shoemaker, R.C. & Palmer, R.G. Restriction fragment length polymorphism diversity in soybean. Theoret. Appl. Genetics 77, 786–792 (1989). https://doi.org/10.1007/BF00268327
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DOI: https://doi.org/10.1007/BF00268327