Geographical variation of nuclear genome RFLPs and genetic differentiation in foxtail millet, Setaria italica (L.) P. Beauv. |
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| Authors: | Kenji Fukunaga Zhimin Wang Kenji Kato Makoto Kawase |
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| Institution: | (1) Laboratory of Plant Breeding, Faculty of Agriculture, Okayama University, Tsushima-naka, 700-8530, Japan (;(2) Institute of Millet Crops, Hebei Academy of Agricultural and Forestry Sciences, Shijiazhuang, 050031, China;(3) Laboratory of Plant Biotechnology, Department of Crop Science, Shikoku National Agricultural Experiment Station, Sen'yu-cho 1, Zentsuji, 765-8508, Japan |
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| Abstract: | Sixteen RFLP loci in 62 landraces were assayed to study geneticdifferentiation in foxtail millet, Setariaitalica (L.) P. Beauv. Among 52 bands, 47 werepolymorphic among foxtail millet landraces. A dendrogram constructedbased on RFLPs was divided into five major clusters (clusterI–V). Clusters I and II contained strains mainly from EastAsia. Cluster III consisted of strains from subtropical and tropicalregions in Asia such as Nansei Islands of Japan, Taiwan and thePhilippines and India and cluster IV consisted of some strains fromEast Asia, a strain from Nepal and a strain from Myanmar. Cluster Vcontained strains from central and western regions of Eurasia such asAfghanstan, Central Asia and Europe. Chinese landraces wereclassified into four clusters. These results indicate that foxtailmillet landraces have differentiated genetically between differentregions and that Chinese landraces were highly variable. |
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| Keywords: | Foxtail millet Geographical variation Landraces RFLP Setaria italica |
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