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  1. 0 資料タイプ別
  2. 01 学術雑誌論文
  1. 070 農学部
  2. 10 学術雑誌論文
  3. 10 査読済論文

日本型イネ品種における穂首維管束系と収量構成要素との関係

http://hdl.handle.net/10191/24967
http://hdl.handle.net/10191/24967
ecc3c110-21a9-42b7-88ed-da05479476e7
名前 / ファイル ライセンス アクション
110001812492.pdf 110001812492.pdf (608.8 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2014-02-06
タイトル
タイトル 日本型イネ品種における穂首維管束系と収量構成要素との関係
タイトル
言語 en
タイトル 日本型イネ品種における穂首維管束系と収量構成要素との関係
言語
言語 jpn
キーワード
主題Scheme Other
主題 維管束比
キーワード
主題Scheme Other
主題 穂首節間大維管束
キーワード
主題Scheme Other
主題 二次枝梗上頴花
キーワード
主題Scheme Other
主題 収量構成要素
キーワード
主題Scheme Other
主題 登熱
キーワード
主題Scheme Other
主題 V/R ratio
キーワード
主題Scheme Other
主題 large vascular bundle in a peduncle
キーワード
主題Scheme Other
主題 secondary-branchi spikelet
キーワード
主題Scheme Other
主題 yield component
キーワード
主題Scheme Other
主題 grain filling
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
その他のタイトル
その他のタイトル Effects of vascular bundle system in a peduncle on the yield components of japonica rice(Oryza sativa L.)varieties.
著者 笹原, 英樹

× 笹原, 英樹

WEKO 38893

笹原, 英樹

Search repository
福山, 利範

× 福山, 利範

WEKO 38894

福山, 利範

Search repository
著者別名
識別子 38895
識別子Scheme WEKO
姓名 Sasahara, Hideki
著者別名
識別子 38896
識別子Scheme WEKO
姓名 Fukuyama, Toshinori
抄録
内容記述タイプ Abstract
内容記述 穂首維管束系と収量構成要素との関係を調査するため, 1998年に温帯日本型に属するイネ29品種(日本産22品種および中国産7品種の在来, 改良品種)を1区9個体, 2反復で栽培した.穂首節間大維管束数(以下, 大維管束数)は9.6から18.9の変異を示し, 品種間で有意に異なっていた.次に, 一次枝梗あたりの大維管束数(維管束比)を求めたところ, これらの品種は1.2を境に低維管束比群(低比群)と高維管束比群(高比群)の2つに判別できた.これら2群の間では出穂日に差異はみられなかったが, 桿長は高比群が, 穂数は低比群が有意に大きかった.また, 高比群は種子稔性が若干低かったものの, 二次枝梗上粒数が低比群よりも有意に多く, 粒重は両群で大きな違いはみられなかった.したがって, 高比群では過剰の大維管束が二次枝梗上頴花の増加を促すだけでなく, 増加した頴花への光合成産物の転流にも関わっていると考えられた.しかし, 高比群の品種は二次枝梗上頴花数が多く穂重が重い反面, 穂数が少ないために一株籾重は低比群よりも低くなっていた.以上のことから, 維管束比の高い品種を育成することで日本型品種, 特に穂重型品種では, 収量性をさらに改善できるものと思われた.
抄録
内容記述タイプ Abstract
内容記述 The relationship between the vascular bundle system in a peduncle and the yield components was investigated using 29 temperate-japonica rice varieties, Oryza sativa L., which consisted of 22 Japanese and 7 Chinese improved and native varieties. Nine plants of each variety were cultivated in the field in 1998 with two replications. The number of large vascular bundles(Vb)in a peduncle differed significantly between the varieties ranging from 9.6 to 18.9. According to the ratio of the number of Vb to the number of primary rachis branches, V/R ratio, the 29 varieties were divided into 2 groups ; those with high(>1.2)and low(≤1.2)V/R ratio. No difference was found in heading date between the varieties with high and low V/R ratio, but the culm length and panicle number were respectively, higher and lower in the varieties with a high V/R ratio than in those with a low V/R ratio. The varieties with a high V/R ratio showed a larger number of spikelets and grains on the secondary rachis branches, but no difference was observed in the grain weight between the 2 groups. It was assumed that the excess of vascular bundles in the varieties with a high V/R ratio indicated that the secondary-branch spikelets had developed and well filled with photosynthetic products. The varieties with a high V/R ratio showed a heavier panicle weight, but lower grain weight per plant because of the lower number of panicles as compared with the varieties with a low V/R ratio. The significance of the vascular bundle system in breeding for a high yielding ability was discussed.
書誌情報 育種学研究
en : 育種学研究

巻 1, 号 2, p. 77-81, 発行日 1999-06
出版者
出版者 日本育種学会
ISSN
収録物識別子タイプ ISSN
収録物識別子 13447629
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA11317194
権利
権利情報 日本育種学会
権利
権利情報 本文データは学協会の許諾に基づきCiNiiから複製したものである
著者版フラグ
値 publisher
異版である
関連タイプ isVersionOf
識別子タイプ URI
関連識別子 http://ci.nii.ac.jp/naid/110001812492
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