ウマゴヤシ類 (Medicago spp.) 国内遺伝資源の探索収集

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タイトル別名
  • Collection of Japanese Local Populations of Medicago Species
  • ウマゴヤシルイ Medicago spp.コクナイ イデン シゲン ノ タンサ

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Some annual species of the genus Medicago have been used as forage crops and green manure worldwide. They are generally called "Medics". In Japan, there were records of cultivation of annual medics ; Medicago polymorpha, M. arabica, M. lupulina and M. minima. They may have high potential for tolerance to stress, e. g. humidity and insect damage. These characters will become very important toof forage legume breeding in the future. The collaborative exploration for collecting for 4 medics in Japan was conducted with Gifu university and the research centers of prefectures which collaborated with the National Grassland Research Institute (NGRI), from the end of March to August in 1995. The number of collections was shown in Table 2 and the collection sites was shown in Fig. 2. The number of accessions obtained was 150 : samples were collected either as pod or seed during this exploration. They include 115 of M. polymorpha (burclover, burmedic), 8 of M. arabica (spotted burclover), 25 of M. lupulina (black medic), 2 of M. minima (little burclover). The time of seed maturity differes among the collection sites. These collected accessions will be preserved at the National Institute of Agrobiological Resources and the NGRI after multiplication and evaluation.

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