The selection of grain traits in a hybrid population of wheat (<i>Triticum aestivum</i> L.) using specific gravity

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  • Hatta Koichi
    Kyushu Okinawa Agricultural Research Center, NARO Present address: Institute of Crop Science, NARO
  • Matsunaka Hitoshi
    Kyushu Okinawa Agricultural Research Center, NARO Present address: Hokkaido Agricultural Research Center, NARO
  • Fujita Masaya
    Kyushu Okinawa Agricultural Research Center, NARO Present address: Strategic Planning Headquarters, NARO
  • Oda Shunsuke
    Kyushu Okinawa Agricultural Research Center, NARO Present address: Department of Business Development, NARO

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Other Title
  • コムギ雑種集団種子の比重選による粒形質の選抜
  • コムギ ザッシュ シュウダン シュシ ノ ヒジュウセン ニ ヨル リュウケイシツ ノ センバツ

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Abstract

<p>Specific gravity selection using calcium chloride solution was effective in improving the grain traits for bread-wheat breeding. There were positive effects on the protein content, seed hardness, and test weight. Specifically, the protein content of the next generation seeds was increased by 0.5% in the F3 and F4 populations of the materials that we used. On the other hand, the effects of volumetric weight and seed hardness differed depending on the selected generation. In contrast, the seed weight and seed size showed a tendency to be decreased by the selection. To avoid less yield selection, small grains from the population must be removed using sieves when applying specific gravity selection to the breeding population.</p>

Journal

  • Breeding Research

    Breeding Research 24 (1), 22-27, 2022-06-01

    Japanese Society of Breeding

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