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Origin of cultivated Tatary buckwheat (Fagopyrum tataricum Gaertn.) revealed by RAPD analyses

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Abstract

The phylogenetic relationships among cultivated landraces and natural populations of wild subspecies of Tatary buckwheat were investigated at the individual level by constructing a phylogenetic tree based on RAPD markers. As the PCR templates, DNA of individuals rather than bulked samples, was used. Ten individuals from 10 cultivated landraces, 71 individuals from 21 natural populations of wild subspecies, and 7 individuals from 3 weedy Tatary buckwheat were provided for RAPD analyses. Three groups were recognized: (1) all cultivated landraces and wild subspecies from central Tibet and northern Pakistan; (2) 10 individuals of wild subspecies from northwestern Yunnan; (3) the remaining individuals of wild subspecies from northwestern Yunnan and all individuals of wild subspecies from Sichuan. Group (2) was phylogenetically closely related to group (1). The origin of cultivated Tatary buckwheat, the hybrid origin of weedy Tatary buckwheat and of the wild populations from central Tibet and northern Pakistan are discussed. We arrive at the conclusion that cultivated Tatary buckwheat probably originated in northwestern Yunnan in China.

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Authors and Affiliations

  1. Plant Germ-Plasm Institute, Faculty of Agriculture, Kyoto University, Nakajoh 1, Mozume-cho, Mukoh, Kyoto, 617-0001, Japan

    Koji Tsuji

  2. Plant Germ-Plasm Institute, Faculty of Agriculture, Kyoto University, Nakajoh 1, Mozume-cho, Mukoh, Kyoto, 617-0001, Japan

    Ohmi Ohnishi

Authors
  1. Koji Tsuji
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  2. Ohmi Ohnishi
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Tsuji, K., Ohnishi, O. Origin of cultivated Tatary buckwheat (Fagopyrum tataricum Gaertn.) revealed by RAPD analyses. Genetic Resources and Crop Evolution 47, 431–438 (2000). https://doi.org/10.1023/A:1008741513277

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