A New Sweet Pepper Variety, ‘Kyoto Manganji No. 2’, with Non-pungent Fruit

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  • Minamiyama Yasuhiro
    Kyoto Prefectural Agriculture, Forestry and Fisheries Technology Center, Biotechnology Research Department
  • Furutani Noriyuki
    Kyoto Prefectural Agriculture, Forestry and Fisheries Technology Center, Biotechnology Research Department
  • Inaba Koji
    Kyoto Prefectural Agriculture, Forestry and Fisheries Technology Center, Agriculture and Forestry Technology Department
  • Asai Shinichi
    Kyoto Prefectural Agriculture, Forestry and Fisheries Technology Center, Agriculture and Forestry Technology Department
  • Nakazawa Takashi
    Kyoto College of Agriculture

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Other Title
  • 辛味果実の発生しない甘トウガラシ新品種‘京都万願寺2号’の育成
  • 新品種 辛味果実の発生しない甘トウガラシ新品種'京都万願寺2号'の育成
  • シン ヒンシュ カラミ カジツ ノ ハッセイ シナイ カントウガラシ シン ヒンシュ'キョウト マン ガンジ 2ゴウ'ノ イクセイ
  • A New Sweet Pepper Variety, ^|^lsquo;Kyoto Manganji No. 2^|^rsquo;, with Non-pungent Fruit

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Abstract

A sweet pepper, ‘Manganji’, is a local variety in Kyoto. However, fruits with pungency are frequently produced depending on the environmental conditions, e.g., high temperature or water stress. Previous studies reported that the complete lack of pungency was controlled by a single recessive gene. In this study, we developed a molecular marker (SCY-800) linked to this locus. A continuous backcross [(a bell pepper variety ‘Tongari’ × ‘Kyoto Manganji No. 1’) × ‘Kyoto Manganji No. 1’] with the help of marker-assisted selection was carried out in order to develop a novel non-pungent variety, ‘Kyoto Manganji No. 2’, by transferring the recessive gene to the original variety ‘Manganji’. In the new variety, pungent fruits were not observed at all in two different fields throughout two years. Other undesirable fruit characters (anthocyanin accumulation at pericarp, short fruit length, etc.) were found at very low frequencies as compared to ‘Kyoto Manganji No. 1’. Overall, our new variety, ‘Kyoto Manganji No. 2’, would be useful for the production of non-pungent pepper in Kyoto.<br>

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