2013 Fiscal Year Final Research Report
Development of a new type of high-yielding rice cultivar for environmental conservation in near future
| Project/Area Number |
23380040
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Plant nutrition/Soil science
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| Research Institution | Tohoku University |
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Principal Investigator |
MAKINO Amane 東北大学, (連合)農学研究科(研究院), 教授 (70181617)
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| Co-Investigator(Kenkyū-buntansha) |
OBARA Mitsuhiro 独立行政法人国際農林水産業研究センター, 生物資源領域, 研究員 (10455248)
KANETA Yoshihiro 秋田県立大学, 生物資源科学部, 教授 (30347207)
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| Project Period (FY) |
2011-04-01 – 2014-03-31
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| Keywords | イネ / 多収 / 大粒 / 未来環境 |
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| Research Abstract |
We examined main factors for achieving a high yield in a new type of high-yielding and large-grain rice cultivar, Akita 63. The field experiments showed that a large grain size without reducing the grain number in Akita63 directly leads to high yield, although the grain number largely declines in a mother cultivar, Oochikara. We have identified gs3 as a QTL for grain length in Akita-63, and we are determining a QTL for reducing the grain number in Oochikara.
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[Journal Article] Rice cultivar responses to elevated CO_2 at two free-air CO_2 enrichment (FACE) sites in Japan2013
Author(s)
Hasegawa T, Sakai H, T okida T, Nakamura H, Zhu C, Usui Y, Y oshimoto M, Fukuoka M, Wakatsuki H, Katayanagi N, Matsunami T, Kaneta Y, Sato T, T akakai F, Sameshima R, Okada M, Mae T and Makino A
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Journal Title
Func. Plant Biol
Volume: 40
Pages: 148-159
DOI
Peer Reviewed
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