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  1. 070 農学部, 大学院農学研究科
  2. 0702 紀要 ・刊行物
  3. 07022 信州大学農学部AFC報告
  4. No. 13

Accumulation efficiency of degradable matter during the early grain-filling period in rice

http://hdl.handle.net/10091/18325
http://hdl.handle.net/10091/18325
cbeee120-a3d3-4385-b0aa-56fbe4c47354
名前 / ファイル ライセンス アクション
AFCbulletin13-1.pdf AFCbulletin13-1.pdf (1.2 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2015-05-13
タイトル
言語 en
タイトル Accumulation efficiency of degradable matter during the early grain-filling period in rice
言語
言語 eng
キーワード
言語 en
主題Scheme Other
主題 Grain filling
キーワード
言語 en
主題Scheme Other
主題 Model
キーワード
言語 en
主題Scheme Other
主題 Partitioning
キーワード
言語 en
主題Scheme Other
主題 Rice
キーワード
言語 en
主題Scheme Other
主題 Translocation
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
その他(別言語等)のタイトル
その他のタイトル イネの登熟初期における可分解性物質の蓄積効率
言語 ja
著者 INOUE, Naoto

× INOUE, Naoto

WEKO 34200

en INOUE, Naoto

Search repository
KASAJIMA, Shinya

× KASAJIMA, Shinya

WEKO 34201

en KASAJIMA, Shinya

Search repository
YANG, Zhongfa

× YANG, Zhongfa

WEKO 34202

en YANG, Zhongfa

Search repository
KASUGA, Shigemitsu

× KASUGA, Shigemitsu

WEKO 34203

en KASUGA, Shigemitsu

Search repository
HAGIWARA, Motoyuki

× HAGIWARA, Motoyuki

WEKO 34204

en HAGIWARA, Motoyuki

Search repository
信州大学研究者総覧へのリンク
氏名 INOUE, Naoto
URL http://soar-rd.shinshu-u.ac.jp/profile/ja.uhAmPmAF.html
信州大学研究者総覧へのリンク
氏名 KASUGA, Shigemitsu
URL http://soar-rd.shinshu-u.ac.jp/profile/ja.OFyaPUkh.html
信州大学研究者総覧へのリンク
氏名 HAGIWARA, Motoyuki
URL http://soar-rd.shinshu-u.ac.jp/profile/ja.yhTePpkh.html
出版者
出版者 信州大学農学部附属アルプス圏フィールド科学教育研究センター
引用
内容記述タイプ Other
内容記述 信州大学農学部AFC報告 13: 1-11 (2015)
書誌情報 信州大学農学部AFC報告

巻 13, p. 1-11, 発行日 2015-03-31
抄録
内容記述タイプ Abstract
内容記述 The dry weight of cellular contents in the whole rice plant (dWc/dt) is partitioned from the crop growth rate (dW/dt), and the resulting rate represents the accumulation efficiency of degradable matter (dWc/dW). The grain yielding ability and stability are significantly affected by the dry matter partitioning to cell wall during grain filling stage. Comparative studies for dWc/dW during the early grain-filling period were conducted using diverse genotypes of rice varieties in eight experimental fields in Japan, China, and Thailand for 2 yr to develop a simplified process model with submodels for partitioning. Nine rice varieties-2 japonica, 3 indica, indica×japonica, indica×javanica, javanica, and NERICA-were used. dWc/dW was measured by enzymatic analysis. The relationship between dW/dt and the accumulation rate of cellular contents per unit ground area (dWc/dt) was described using a linear regression equation, and the proportionality factor k (slope), which represents accumulation efficiency, was estimated using data from each variety. The k values varied from 0.570 for the traditional indica cv. Ch86 (CH) to 0.765 for the WAB450 line (WA), which is a NERICA variety. High values of dWc/dW were observed in the modern varieties developed by remote crossing [Takanari (TA) and WA]. The average k value from the results of multi-site experiments was 0.681.TA and WA showed high accumulation efficiency by high sink activity under various dW/dts that fluctuated according to environmental conditions at the cultivation sites. Conversely, CH, classified as a "grassy rice" phenotype, formed a cell wall during the early grain-filling period.
資源タイプ(コンテンツの種類)
内容記述タイプ Other
内容記述 Article
ISSN
収録物識別子タイプ ISSN
収録物識別子 1348-7892
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA11845727
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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