Ishimaru Tsutomu

Affiliation and department：

Research field (2)： Plant genetics and breeding , Crop production science

Research keywords (7)： Grain quality , Flower Opening Time , spikelet sterility , grain-filling , high-yielding , heat stress , Rice

Research theme for competitive and other funds (6)：

2022 - 2024 開花時刻調節で変わる未来の作物生産
2018 - 2021 Study on the molecular control of flower opening time in rice
2014 - 2018 Effects of traits relating tolerance against high temperature induced floret sterility in rice and their limits shown by experiments on the extremely hot paddy fields in the world.
2008 - 2009 Profiling of genes related to storage products in rice aleurone cells and starchy endosperm.
2007 - 2009 Analysis of DNA methylation in the reproductive cells using a tiling array

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Papers (49)：

ISHIMARU Tsutomu, OKAMURA Masaki, NAGAOKA Ichiro, KIM Daryong, YAMAGUCHI Hiromichi, KAJI Ryota, OHDAIRA Youichi. Growth Characteristics to Achieve High Yield and High Palatability in a Rice Cultivar ‘Niji-no-kirameki’ in the Hokuriku Region. Japanese Journal of Crop Science. 2023. 92. 2. 173-183
ISHIMARU Tsutomu, NAGAOKA Ichiro, KIM Daryong. Development, Characterization, and Distribution of New, High-yielding, and Highly Palatable Japanese Rice Cultivars “Tsukiakari” and “Niji-no-kirameki”. JARQ. 2023. 57. 2. 89-97
Hidyeuki Hirabayashi, Taku Tanogashira, Akio Tanaka, Minoru Takemure, Kenichi Wakamatsu, Tsutomu Ishimaru, Kazuhiro Sasaki. Mitigation of heat-induced spikelet sterility at flowering by transferring a QTL for the early-morning flowering trait, <i>qEMF3</i>, into the genetic background of <i>japonica</i> cultivars. Breeding Research. 2023
ISHIMARU Tsutomu, OHDAIRA Youichi, OKAMURA Masaki, YAMAGUCHI Hiromichi, FURUHATA Masami, YOSHINAGA Satoshi. Simple Methods to Estimate Growth Traits in a High Yielding Rice Cultivar ‘Tsukiakari’ in Hokuriku Regions. Japanese Journal of Crop Science. 2022. 91. 4. 337-345
Tsutomu Ishimaru, Kazuhiro Sasaki, Patrick D. Lumanglas, Carlo Leo U. Cabral, Changrong Ye, Mayumi Yoshimoto, Arvind Kumar, Amelia Henry. Effect of drought stress on flowering characteristics in rice (Oryza sativa L.): a study using genotypes contrasting in drought tolerance and flower opening time. PLANT PRODUCTION SCIENCE. 2022

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MISC (76)：

石丸努. 広がる期待の水稲新品種「にじのきらめき」. 中日本農研ニュース. 2022. 3
石丸努. 「つきあかり」を作りこなしてたくさんとろう!. 中央農研ニュース. 2020. 6
農研機構中央農業研究センター. 「にじのきらめき」栽培暦改訂版. 2020. 1-7
石丸努, 大平陽一, 大角壮弘, 吉永悟志, 古畑昌巳, 岡村昌樹, 長岡一朗, 前田英郎, 笹原英樹, 松下景, et al. 良食味水稲品種「つきあかり」・「にじのきらめき」の多収栽培技術. 農研機構中央農業研究センター成果情報(Web). 2020. 2020
石丸努, 佐々木和浩, 野崎育雄, 市橋正則, 清水宏彰, 若山正隆, 平林秀介. Changes in flower opening time by artificial light and dark conditions in rice. 日本作物学会講演会要旨集. 2020. 250th

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Education (3)：

2001 - 2004 The University of Tokyo Graduate School of Agricultural and Life Sciences
1999 - 2001 東京大学大学院農学生命科学研究科博士前期課程
1995 - 1999 Kobe University Faculty of Agriculture Department of Plant Resource Science

Work history (3)：

2016/04 - 現在 CARC/NARO Division of lowland farming Senior Researcher
2011/01 - 2016/03 国際農林水産業研究センター生物資源・利用領域
2005/04 - 2010/12 National Agriculture and Food Research Organization, Institute of Crop Science Rice Physiology Team

Committee career (9)：

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Awards (3)：

2024/03 - Carop Science Society of Japan PPS Best Paper Award
2022/03 - Crop Science Society of Japan Plant Production Science, Best Paper Award Analysis of factors related to varietal differences in the yield of rice (Oryza sativa L.) under Free-Air CO2 Enrichment (FACE) conditions
2020/03 - Crop Science Society of Japan Plant Production Science, Best Paper Award High temperature and low solar radiation during ripening differentially affect the composition of milky-white grains in rice (Oryza sativa L.)

Association Membership(s) (2)：

Japanese Society for Plant Breeding , CROP SCIENCE SOCIETY OF JAPAN

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