Rchr
J-GLOBAL ID:201601015698760720   Update date: Mar. 18, 2024

Okamura Masaki

オカムラ マサキ | Okamura Masaki
Affiliation and department:
Job title: Researcher
Homepage URL  (1): http://www.naro.affrc.go.jp/narc/index.html
Research field  (1): Crop production science
Research keywords  (3): Sugar metabolism ,  High yielding ,  Rice
Research theme for competitive and other funds  (9):
  • 2023 - 2026 Crop design simulator utilizing deep neural networks with crop growth model as knowledge layer
  • 2023 - 2026 Development of a new evaluation system for source and sink capacity in rice canopy
  • 2023 - 2026 シンク拡大系統を利用した水稲の登熟期群落光合成能の高精度評価と改良
  • 2020 - 2024 水稲のシンク活性に関する新規遺伝領域の同定と登熟生理メカニズムの解明
  • 2020 - 2023 Clarification of physiological mechanism and hull yellowing related to ripening of rice
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Papers (38):
  • OKAMURA Masaki, ARAI-SANOH Yumiko, OHDAIRA Youichi, ISHIKAWA Junko, KOBAYASHI Nobuya. Analysis of Determinants for Cultivar Differences in the Ripening Period of Rice Depending on Spikelet Yellowing Ratio by Image Analysis. Japanese Journal of Crop Science. 2024. 93. 1. 9-23
  • Junko Ishikawa, Masaki Okamura, Yumiko Arai-Sanoh, Koji Baba, Manami Furuya, Hideo Maeda, Motohiko Kondo. Close relationship between potassium accumulation in internodes and translocation of non-structural carbohydrate to grains in rice cultivars with different yields. FIELD CROPS RESEARCH. 2023. 300
  • Masaki Okamura, Ryutaro Morita, Yumiko Arai-Sanoh, Hiroe Yoshida, Hiroshi Nakagawa, Naohiro Aoki. Estimation of sink capacity of rice grains: A comparison of calculation methods based on 1000-grain weight and grain projected area. PLANT PRODUCTION SCIENCE. 2023. 26. 3. 236-248
  • 石丸 努, 岡村 昌樹, 長岡 一朗, 金 達英, 山口 弘道, 梶 亮太, 大平 陽一. 北陸地域における水稲品種「にじのきらめき」の多収と良食味を両立可能な諸形質の条件-Growth Characteristics to Achieve High Yield and High Palatability in a Rice Cultivar 'Niji-no-kirameki' in the Hokuriku Region. 日本作物学会紀事. 2023. 92. 2. 173-183
  • 岡村 夏海, 澤田 寛子, 平 将人, 新庄 莉奈, 岡村 昌樹, 島崎 由美, 関 昌子, 池田 達哉. 登熟期間の高温処理による六条オオムギ「シュンライ」の硝子率上昇とその要因-Influence of Moderately High Temperatures during Grain Filling on Glassy Grain Rate of Six-rowed Barley Variety 'Shunrai'. 日本作物学会紀事. 2023. 92. 1. 19-27
more...
MISC (15):
  • Ishimaru Tsutomu, Okamura Masaki, Yamaguchi Hiromichi, Ohsumi Akihiro, Kim Daryong, Nagaoka Ichiro, Kaji Ryota, Furuhata Masami, Ookawa Taiichiro, Yoshinaga Satoshi, et al. Characterization of high-yielding and high-palatable Japanese rice cultivars ‘Tsukiakari’ and ‘Niji-no-kirameki’. Abstracts of Meeting of the CSSJ. 2023. 255. 19-19
  • Okamura Masaki, Arai Yumiko Sanoh, Ohdaira Youichi, Ishikawa Junko. Comparison of Varietal Difference in Maturity Characteristics of Rice Grain by Estimating Hulled Grain Yellowing Rate Using HSV Color Space. Abstracts of Meeting of the CSSJ. 2023. 255. 171-171
  • Tsutomu Ishimaru, Okamura Masaki, Nagaoka Ichiro, Yamaguchi Hiromichi, Yoshimoto Mayumi, Ohdaira Youichi. Quantitative assessment on the grain appearance of a Japanese rice cultivar 'Niji-no-kirameki' with superior heat resilience during ripening. Abstracts of Meeting of the CSSJ. 2022. 254. 60-60
  • Miyashita Daiki, Honda Sotaro, Ohkubo Satoshi, Okamura Masaki, Kashima Makoto, Ookawa Taiichiro, Nagano Atsushi J., Adachi Shunsuke. Improvement and Validation of Field Transcriptome-Based Predictive Model for Leaf Photosynthetic Rate in Rice. Abstracts of Meeting of the CSSJ. 2022. 254. 116-116
  • 石川 淳子, 岡村 昌樹, 荒井(三王) 裕見子, 近藤 始彦. P4-1-4 水稲節間におけるカリウム、非構造性炭水化物蓄積と収量性の品種間差異(4-1 植物の多量栄養素 2022年度東京大会). 日本土壌肥料学会講演要旨集. 2022. 68. 42-42
more...
Education (3):
  • 2012 - 2015 The University of Tokyo Graduate School of Agricultural and Life Sciences
  • 2010 - 2012 The University of Tokyo Graduate School of Agricultural and Life Sciences
  • 2008 - 2010 The University of Tokyo Faculty of Agriculture
Professional career (1):
  • Ph.D (The University of Tokyo)
Work history (3):
  • 2018/04 - 現在 National Agriculture and Food Research Organization Crop Cultivation Group, Division of Lowland Farming, Joetsu Research Station,Central Region Agricultural Research Center Researcher
  • 2015/04 - 2018/03 National Agriculture and Food Research Organization Institute of Crop Science, NARO, Division of Rice, Rice Physiology Unit Researcher
  • 2012/04 - 2015/03 Japan Society for the Promotion of Science Research Fellow, DC1
Awards (1):
  • 2019/03 - Crop Science Society of Japan Japanese Society of Crop Science Young Scientist Award Field Based Molecular Physiological S tudy on Starch and Sugar Accumulation in Rice
Association Membership(s) (1):
CROP SCIENCE SOCIETY OF JAPAN
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