Geographical variation of foxtail millet, Setaria italica (L.) P. Beauv. based on rDNA PCR–RFLP
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- Eda, M., Izumitani, A., Ichitani, K. et al. Genet Resour Crop Evol (2013) 60: 265. doi:10.1007/s10722-012-9832-8
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The rDNA PCR–RFLP of foxtail millet (Setaria italica) germ-plasm collected throughout Eurasia and from a part of Africa was investigated with five restriction enzymes according to our previous study. Foxtail millet germ-plasms were classified by length of the rDNA IGS and RFLP; clear geographical differentiation was observed between East Asia, the Nansei Islands of Japan-Taiwan-the Philippines area, South Asia and Afghanistan-Pakistan. We also found evidence of migration of foxtail millet landraces between the areas. We calculated diversity index (D) for each region and found that center of diversity of this millet is East Asia such as China, Korea and Japan.