Abstract
The wild progenitor of the cultivated flax (Linumusitatissimum L.) has been long hypothesized to beL. angustifolium Huds., largely fromseveral phytogeographic cytogenetic and phenotypic studies, but no molecularstudies on the issue are found. In this study, we genotyped 12 flax accessionsrepresenting seven flax species in the genus Linum with 527RAPD loci from 29 informative RAPD primers and analyzed their geneticrelationships with simple matching, Dice's and Jaccard's similaritycoefficients. Large RAPD variations were found among the flax species.L. usitatissimum andL. angustifolium had a higher RAPDsimilarity than the other pairs of flax species and these two species wereconsistently clustered in the same group with all of the similarity coefficientsused. This molecular finding provides an additional support for the hypothesisof L. angustifolium as the wildprogenitor of cultivated flax.
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Fu, YB., Peterson, G., Diederichsen, A. et al. RAPD analysis of genetic relationships of seven flax species in the genus Linum L. Genetic Resources and Crop Evolution 49, 253–259 (2002). https://doi.org/10.1023/A:1015571700673
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DOI: https://doi.org/10.1023/A:1015571700673