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  1. H140 農学国際教育協力研究センター
  2. H140b 紀要
  3. 農学国際協力
  4. 18

Evaluation of Backcrossed Pyramiding Lines of the Yield-related Gene and the Bacterial Leaf Blight Resistant Genes

http://hdl.handle.net/2237/0002001857
http://hdl.handle.net/2237/0002001857
f90276fb-097d-4b54-a924-0a5cc2039d4d
名前 / ファイル ライセンス アクション
Vol18_18-28-01-Original.pdf Vol18_18-28-01-Original.pdf (4.8 MB)
Item type itemtype_ver1(1)
公開日 2022-01-06
タイトル
タイトル Evaluation of Backcrossed Pyramiding Lines of the Yield-related Gene and the Bacterial Leaf Blight Resistant Genes
言語 en
その他のタイトル
その他のタイトル 収量関連遺伝子と白葉枯病抵抗性遺伝子の戻し交配によるピラミディング系統の評価
言語 ja
著者 山田, 修土

× 山田, 修土

en Yamada, Shuto

ja 山田, 修土

Search repository
黒川, 裕介

× 黒川, 裕介

en Kurokawa, Yusuke

ja 黒川, 裕介

Search repository
永井, 啓祐

× 永井, 啓祐

en Nagai, Keisuke

ja 永井, 啓祐

Search repository
Angeles-Shim, Rosalyn B

× Angeles-Shim, Rosalyn B

en Angeles-Shim, Rosalyn B

Search repository
安井, 秀

× 安井, 秀

en Yasui, Hideshi

ja 安井, 秀

Search repository
古屋, 成人

× 古屋, 成人

en Furuya, Naruto

ja 古屋, 成人

Search repository
吉村, 淳

× 吉村, 淳

en Yoshimura, Atsushi

ja 吉村, 淳

Search repository
土井, 一行

× 土井, 一行

en Doi, Kazuyuki

ja 土井, 一行

Search repository
芦苅, 基行

× 芦苅, 基行

en Ashikari, Motoyuki

ja 芦苅, 基行

Search repository
春原, 英彦

× 春原, 英彦

en Sunohara, Hidehiko

ja 春原, 英彦

Search repository
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
キーワード
主題Scheme Other
主題 Rice
キーワード
主題Scheme Other
主題 Wealthy Farmer’s Panicle (WFP)
キーワード
主題Scheme Other
主題 bacterial leaf blight (BLB)
キーワード
主題Scheme Other
主題 pyramiding
キーワード
主題Scheme Other
主題 high-yielding
キーワード
主題Scheme Other
主題 イネ
キーワード
主題Scheme Other
主題 WFP遺伝子
キーワード
主題Scheme Other
主題 白葉枯病抵抗性
キーワード
主題Scheme Other
主題 ピラミディング
キーワード
主題Scheme Other
主題 高収量性
内容記述
内容記述 The yield-related gene, WFP increases grain number by increasing the primary branch number per panicle in rice. In the present study, WFP was introgressed from ST-12 to IRBB60, a pyramiding line having the genes Xa4, xa5, xa13 and Xa21 for BLB resistance in the IR24 genetic background. The pyramided lines PL-1, PL-4 and PL-5 that were included in the initial BC2F2 selections based on their improved PBN were selected for further agronomic evaluation and generation advance up to BC2F3. All three lines recorded significantly higher PBN and GN due WFP introgression, although the loss of at least two BLB genes during the breeding process resulted in the variable response of the lines to the different BLB races. Among the lines, only PL-5 showed a significantly higher estimate of actual yield measured in terms of panicle weight per square meter compared to IRBB60. PL-5 also exhibited resistance to five out of the six BLB races used for resistance screening. Despite the negative effects in grain size, the improved yield estimates, as well as the validated BLB resistance of PL-5 makes it a suitable candidate for cultivar adoption under the tropical rice ecosystem of Southeast Asia.
言語 en
内容記述タイプ Abstract
内容記述
内容記述 イネ収量関連遺伝子WFPは、一次枝梗数増加による着粒数増加をもたらす。IR24に白葉枯病抵抗性遺伝子群(Xa4、xa5、xa13、Xa21)を集積したIRBB60へ、ST-12が持つWFPの導入を行った。IRBB60を反復親とした戻し交雑後代BC2F2とBC2F3世代で、DNAマーカーの利用と一次枝梗数を含む収量形質の評価から、3ピラミディング系統(PL-1、PL-4、PL-5)を選抜した。BC2F4において、これらはWFPによる一次枝梗数と着粒数の増加を示したが、4白葉枯病抵抗性遺伝子の集積が不完全で、白葉枯病レース群への反応の差が見られた。しかし、PL-5はIRBB60よりも収量増加が見込まれ、今回供試した白葉枯病レース(ベトナム、ミャンマー、インド由来6レース)の内5レースに対して抵抗性を示したことから、PL-5は東南アジアの熱帯地域での展開を見込んだ候補系統となり得ると考えられた。
言語 ja
内容記述タイプ Abstract
出版者
言語 ja
出版者 名古屋大学農学国際教育協力研究センター
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
関連情報
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.50907/jicad.18.0_18
収録物識別子
収録物識別子タイプ PISSN
収録物識別子 1347-5096
書誌情報 ja : 農学国際協力

巻 18, p. 18-28, 発行日 2020-03
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