新潟県と長野県におけるオギ遺伝資源の探索・収集

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  • Exploration and Collection of Miscanthus Sacchariflorus in Niigata and Nagano Prefectures

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Exploration for collecting Miscanthus sacchariflorus in Niigata and Nagano prefectures as breeding material used for biomass production was carried out on November in 2014. A total of 10 accessions were collected in Niigata. Natural populations of M. sacchariflorus were found at riversides and roadsides in Niigata. A total of 7 clones were collected in Nagano. Natural populations of M. sacchariflorus were found at wetlands, riversides and abandoned fields mainly in the Chikuma river basin and its tributary. Natural populations of M. sacchariflorus were found in mountainous regions at an altitude of more than 500 m in both prefectures.

2014年11月に新潟県と長野県において，バイオマス利用の育種素材としてオギ（Miscanthus sacchariflorus）遺伝資源の探索収集を行った．新潟県では10点を収集し，オギの自生集団が川沿いや路傍で見出された．長野県では7点を収集し，主に千曲川の流域およびその支流の川沿いや湿地，耕作放棄地などに自生集団がみられた．両県において，標高500mを越える山間地においてオギの自生集団がみられた．

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