Efficient selection of a high-yield line by using somaclonal variation in Japanese butterbur (Petasites japonicus)

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To induce somaclonal variations related to plant yield, adventitious buds were directly regenerated from immature flowerheads of a selected line A of the 'Aichi Wase Fuki' of Japanese butterbur (Petasites japonicus). Among the 280 independent regenerants obtained from 300 immature flowerheads, about 2/3 were regenerated within 90 d of culture. The total yield of the randomly selected 50 lines among the early regenerants ranged from 13.8 to 21.6 kg m−2 (average: 18.2 kg m−2) in the field, and a high correlation (r=−0.869) was observed between the total yield and the period required for the third leaf initiation in flowerhead culture. A high correlation (r=0.923) was also observed between the yield in the field and the fresh weight of rhizomes at 3 months of culture in the greenhouse. Since the yield of the original line A was 16.4 kg m−2, direct adventitious bud regeneration is a useful technique for inducing high yielding variants in Japanese butterbur, which might be efficiently selected by monitoring the period required for third leaf initiation and the weight of rhizomes.

To induce somaclonal variations related to plant yield, adventitious buds were directly regenerated from immature flowerheads of a selected line A of the 'Aichi Wase Fuki' of Japanese butterbur (<i>Petasites japonicus</i>). Among the 280 independent regenerants obtained from 300 immature flowerheads, about 2/3 were regenerated within 90 d of culture. The total yield of the randomly selected 50 lines among the early regenerants ranged from 13.8 to 21.6 kg m<sup>−2</sup> (average: 18.2 kg m<sup>−2</sup>) in the field, and a high correlation (r=−0.869) was observed between the total yield and the period required for the third leaf initiation in flowerhead culture. A high correlation (r=0.923) was also observed between the yield in the field and the fresh weight of rhizomes at 3 months of culture in the greenhouse. Since the yield of the original line A was 16.4 kg m<sup>−2</sup>, direct adventitious bud regeneration is a useful technique for inducing high yielding variants in Japanese butterbur, which might be efficiently selected by monitoring the period required for third leaf initiation and the weight of rhizomes.

収録刊行物

  • Plant biotechnology  

    Plant biotechnology 24(3), 289-293, 2007-06-01 

    日本植物細胞分子生物学会

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各種コード

  • NII論文ID(NAID)
    10021911423
  • NII書誌ID(NCID)
    AA11250821
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13424580
  • NDL 記事登録ID
    8775157
  • NDL 雑誌分類
    ZR3(科学技術--生物学--植物)
  • NDL 請求記号
    Z54-J126
  • データ提供元
    CJP書誌  CJP引用  NDL  IR  J-STAGE 
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