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Dendrobium nobile 幼苗の生育に及ぼす培地における窒素形態の影響(農学科)
http://hdl.handle.net/20.500.12000/4364
http://hdl.handle.net/20.500.12000/43641e62f6d7-1d8f-46d5-a758-7d9bbf20fe03
名前 / ファイル | ライセンス | アクション |
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Item type | デフォルトアイテムタイプ(フル)(1) | |||||||||
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公開日 | 2008-02-14 | |||||||||
タイトル | ||||||||||
タイトル | Dendrobium nobile 幼苗の生育に及ぼす培地における窒素形態の影響(農学科) | |||||||||
言語 | ja | |||||||||
タイトル | ||||||||||
タイトル | Effects of different forms of nitrogen sources in the culture media on the growth of Dendrobium nobile seedling (Department of Agriculture) | |||||||||
言語 | en | |||||||||
作成者 |
上里, 健次
× 上里, 健次
× Uesato, Kenji
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アクセス権 | ||||||||||
アクセス権 | open access | |||||||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||||
内容記述 | ||||||||||
内容記述タイプ | Other | |||||||||
内容記述 | Dendrobium nobile (King george×TO-12)の初期幼苗を発根前と発根後の2段階に分け, それぞれに対する窒素養分の形態と濃度の影響を調査した。1.発根前の幼苗の生育に対して最もよい結果はNH_4とNO_3の併用区で得られた。ついでNO_3単独区がよく, NH_4のみの区は生育を阻害した。発根後の幼苗に対してもほぼ同様の傾向が見られた。2.尿素態窒素は, 発根前の幼苗に対しては生育を阻害したが, 発根後の苗に対しては生育を促進し, むしろNH_4,NO_3併用区よりもよい結果が得られた。3.同一培地の中におけるNO_3とNH_4の混合割合についての, 生育に対する最適比率は, それぞれ発根前の苗では8 : 2,発根後の苗では7 : 3であった。 | |||||||||
内容記述 | ||||||||||
内容記述タイプ | Other | |||||||||
内容記述 | Studies to make clear the effect of forms and concentrations of nitrogenous nutrients upon the growth of Dendrobium nobile (King George x TO-12) seedlings, at their not yet rooted (Age I) as well as at theirting (Age II) stages, were carried out using aseptic culture techniques. Results obtained are briefly summarized in the following; (1) The best growth could be detected when Age I (not yet rooted) seedlings were grown in the medium containing both NH_4 and NO_3 as nitrogen sources. Those grown in the medium containing NO_3 exclusively came next to the above, showing somewhat retarded growth responses. Those growth in the medium with only NH_4 showed, in turn, a certain inhibition in their growth. Quite similar situation was also observed on the growth responses of Age II (rooting) seedlings. (2) In the medium containing urea as nitrogen source Age I seedlings showed definite inhibition in their growth so far as the high concentrations were used, but the growth of Age II seedlings in the same medium was fairly good, in contrast, revealing that there occurred even a more advanced promotion of growth as compared to those grown in the favorable medium containing both NH_4 and NO_3. (3) The most favorable of Age I seedlings could be obtained in the medium containing both NH_4 and NO_3 nitrogens at the ratio of 20 : 80,and for Age II seedlings the most preferable ratio became, in turn, to be 30 : 70. | |||||||||
内容記述 | ||||||||||
内容記述タイプ | Other | |||||||||
内容記述 | 紀要論文 | |||||||||
出版者 | ||||||||||
言語 | ja | |||||||||
出版者 | 琉球大学農学部 | |||||||||
言語 | ||||||||||
言語 | jpn | |||||||||
資源タイプ | ||||||||||
資源タイプ | departmental bulletin paper | |||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||
出版タイプ | ||||||||||
出版タイプ | VoR | |||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||
識別子 | ||||||||||
識別子 | http://hdl.handle.net/20.500.12000/4364 | |||||||||
識別子タイプ | HDL | |||||||||
収録物識別子 | ||||||||||
収録物識別子タイプ | ISSN | |||||||||
収録物識別子 | 0370-4246 | |||||||||
収録物識別子 | ||||||||||
収録物識別子タイプ | NCID | |||||||||
収録物識別子 | AN00250548 | |||||||||
収録物名 | ||||||||||
言語 | ja | |||||||||
収録物名 | 琉球大学農学部学術報告 | |||||||||
収録物名 | ||||||||||
言語 | en | |||||||||
収録物名 | The Science Bulletin of the Faculty of Agriculture. University of the Ryukyus | |||||||||
書誌情報 |
号 21, p. 73-81, 発行日 1974-12-01 |