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  1. INDEX:組織別
  2. 農研機構 野菜花き研究部門
  3. 研究報告
  4. 野菜茶研研報
  5. 8号

結球期のキャベツにおける硝酸イオンの吸収と窒素の分配特性

https://repository.naro.go.jp/records/1675
https://repository.naro.go.jp/records/1675
389b0fcc-ac56-4922-abc4-50ecaa4ba195
名前 / ファイル ライセンス アクション
nivts_report_No8p7-13p.pdf nivts_report_No8p7-13p.pdf (642.4 kB)
Item type 紀要論文01 / Departmental Bulletin Original Article(1)
公開日 2019-03-22
タイトル
タイトル 結球期のキャベツにおける硝酸イオンの吸収と窒素の分配特性
タイトル
タイトル Characteristics of Nitrate Uptake and Nitrogen Distribution in Cabbage at Head Developing Stage
言語 en
言語
言語 jpn
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ departmental bulletin paper
著者 佐藤, 文生

× 佐藤, 文生

佐藤, 文生

ja-Kana サトウ, フミオ

en SATOa, Fumio

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東尾, 久雄

× 東尾, 久雄

東尾, 久雄

ja-Kana ヒガシオ, ヒサオ

en HIGASHIO, Hisao

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抄録
内容記述タイプ Abstract
内容記述 The characteristics of nitrate uptake and nitrogen distribution were studied in cabbage (Brassica oleracea L. var. capitata) using the 15^N tracer experiment. The 15^N labeled potassium nitrate was applied to pot-grown cabbage plants at the head-developing stage. The N derived from the applied nitrate (Nf) was mostly incorporated into the vegetative leaves (VL) immedi-ately after application, but the Nf amount in the VL decreased afterward. The Nf amount in the head leaves (HL) increased throughout the experiment. In the VL, most of the incorporated Nf was observed in the nitrate fraction immediately after application. Then, the Nf concentration in the nitrate fraction decreased, while those in the amino acid and insoluble fractions increased. The Nf distribution rate in the nitrate fraction was higher in the lower parts of the VL than in the upper parts. In the HL, as with the VL, most of the incorporated Nf was observed in the nitrate fraction immediately after application. Then, the Nf concentrations in the amino acid and insoluble fractions increased considerably, although the nitrate reductase activity of the HL was one-tenth lower than that of the VL. The increases in Nf concentrations in the these fractions was greater in the inner part of the VL than in the outer part. These results suggest that in the cabbage at the head developing stage there was an accumulation of reduced nitrogen in the HL that depended largely on nitrogen translocation from the VL ; nitrate is incorporated directly into the HL from the roots.
書誌情報 野菜茶業研究所研究報告
en : Bulletin of the National Institute of Vegetable and Tea Science

巻 8, p. 7-13, 発行日 2009-03-31
出版者
出版者 独立行政法人 農業・食品産業技術総合研究機構
ISSN
収録物識別子タイプ ISSN
収録物識別子 1346-6984
DOI
関連タイプ isIdenticalTo
識別子タイプ DOI
関連識別子 10.24514/00001631
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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