Classification of "Kintoki ninjin" and other groups of carrot (Daucus carota) based on simple sequence repeat markers

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  • Kubo Nakao
    Graduate School of Life and Environmental Sciences, Kyoto Prefectural University Faculty of Life and Environmental Sciences, Kyoto Prefectural University Biotechnology Research Department, Kyoto Prefectural Agriculture, Forestry and Fisheries Technology Center
  • Yamashita Risa
    Faculty of Life and Environmental Sciences, Kyoto Prefectural University Present address: Master of Molecular Biology, The University of Queensland
  • Tani Michiyo
    Horticulture Division, Agriculture and Forestry Technology Department, Kyoto Prefectural Agriculture, Forestry and Fisheries Technology Center Present address: Department of Agriculture, Forestry and Fisheries, Kyoto Prefectural Government
  • Ozaki Koji
    Biotechnology Research Department, Kyoto Prefectural Agriculture, Forestry and Fisheries Technology Center
  • Fujiwara Toshiro
    Horticulture Division, Agriculture and Forestry Technology Department, Kyoto Prefectural Agriculture, Forestry and Fisheries Technology Center Present address: Kyoto Prefectural Chutan Nishi Agriculture Improvement Extension Center
  • Mimura Yutaka
    Biotechnology Research Department, Kyoto Prefectural Agriculture, Forestry and Fisheries Technology Center

書誌事項

タイトル別名
  • Classification of “Kintoki ninjin” and other groups of carrot (<i>Daucus carota</i>) based on simple sequence repeat markers
  • Classification of "Kintoki ninjin" and other groups of carrot (
公開日
2019
DOI
  • 10.1270/jsbbs.19093
公開者
日本育種学会

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説明

<p>Carrot (Daucus carota) is cultivated in temperate regions for its taproot. Eastern and Western types have been differentiated. In Japan, the former type is categorized into Kintoki, Takinogawa oonaga, and Toso, with a few local cultivars. However, their genetic relationships are unclear because of the paucity of reports. We classified the Japanese Eastern and selected Western types based on simple sequence repeat (SSR) markers. Field traits, including root weight, length, diameter, and skin color, were also examined. Our field tests showed clear differences between the Kintoki and Western-type cultivars, confirming their differentiation. A phylogram based on nine SSRs classified 24 cultivars into groups I and II. Group I included all Eastern-type carrots examined (Kintoki and Toso groups, plus two local and two foreign cultivars), with the exception of an Indian cultivar (‘Pusa rudhira red’). Among them, red carrots including Kintoki were clustered into two subgroups. Western-type, Eastern-Western hybrid, and ‘Pusa rudhira red’ were included in group II. A population structure analysis revealed the split between the Eastern and the other types. This study elucidates the genetic characteristics of the Eastern type of carrot, which will be valuable information for carrot breeding, especially when using the Eastern type as a source.</p>

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