Ohara Hitoshi

オハラヒトシ | Ohara Hitoshi

Affiliation and department：
Job title： Professor

Research field (1)： Horticulture

Research keywords (6)： Pomology , 高品質果実生産 , 植物ホルモン , 無種子化 , 糖代謝・蓄積 , 抗酸化性

Research theme for competitive and other funds (8)：

2020 - 2023 Studies in antioxidant property of loquat fruit
2016 - 2019 Internal cause of occurrence of sugar distribution in apple fruit during maturation
2010 - 2012 Induction of seedlessness in seeded grape cultivars Niagara and Concord
2001 - 2003 Mechanism of action of endogenous plant growth substances in fruit set and early fruit development of kiwifruit
1996 - 1998 Studies on fruit ripening on the vine and after harvest in kiwifruit

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Papers (54)：

Takanori Saito, Satoru Kondo, Katsuya Ohkawa, Hitoshi Ohara. How Does Abscisic Acid Control Fruit Quality as a Plant Bioregulator?. The Horticulture Journal. 2025
H. Tomiyama, Y. Pan, P. Opio, S. Wang, T. Saito, K. Ohkawa, H. Ohara, S. Kondo. Isoprothiolane regulates endogenous abscisic acid and indole-3-acetic acid during grape berry maturation. Acta Horticulturae. 2024. 1404. 1015-1022
Satoru Kondo, Miho Ishioka, Chihiro Hoshi, Hiroyuki Tomiyama, Yukino Masuda, Souma Murata, Takanori Saito, Katsuya Ohkawa, Hitoshi Ohara, Naoto Iwasaki, et al. Effects of blue-light irradiation on abscisic acid signaling and sugar translocation in Vitis labruscana L.H. Bailey grapevines. Plant Growth Regulation. 2024
Takanori Saito, Shanshan Wang, Katsuya Ohkawa, Hitoshi Ohara, Satoru Kondo. Deep learning with a small dataset predicts chromatin remodelling contribution to winter dormancy of apple axillary buds. Tree Physiology. 2024. 44. 7
S. Thunyamada, K. Ohkawa, H. Ohara, T. Saito, Y. Todoroki, S. Kondo. Retardation of ABA 8′-hydroxylase affects endogenous ABA, sugar metabolism, and aroma volatiles in grape berries. European Journal of Horticultural Science. 2023. 88. 3. 1-12

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MISC (139)：

齋藤隆德, 大川克哉, 小原均, 近藤悟. 深層学習を利用したリンゴ側芽の休眠誘導期におけるクロマチン構造変化の解析. 園芸学研究. 2023. 22. 別1. 259
仲間寛人, 大川克哉, 勝又凌平, 齋藤隆德, 小原均, 近藤悟. パッションフルーツの養液栽培に関する研究(第 5 報)夏季における根域と新梢の冷却処理が新梢生育, 花蕾形成および着果に及ぼす影響. 園芸学研究. 2023. 22. 別1. 293
小原均, 橋本奈都希, 影山浩司, 齋藤隆德, 大川克哉, 近藤悟. 収穫前のアブシシン酸(ABA),エセフォンおよびノルジヒドログアイアレチン酸(NDGA)処理が‘田中’果実の抗酸化性に及ぼす影響. 園芸学研究. 2022. 21. 別2. 276
仲間寛人, 大川克哉, 齋藤隆德, 小原均, 近藤悟. パッションフルーツの養液栽培に関する研究(第 4 報)育苗時における高 CO2 条件が苗質,着果および果実品質に及ぼす影響. 園芸学研究. 2022. 21. 別1. 211
保田光輝, 大川克哉, 齋藤隆德, 小原均, 近藤悟. パッションフルーツの養液栽培に関する研究(第3報)葉果比の違いが開花,着果,果実品質および果実収量に及ぼす影響. 園芸学研究. 2022. 21. 別1. 210

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Books (1)：

果樹園芸学
文永堂出版 2015 ISBN:9784830041297

Lectures and oral presentations (5)：

Deep learning unveils the limited contribution of chromatin remodelling in the winter dormancy of apple axillary buds
(7th International Plant Dormancy Symposium 2023)
Epigenetic change by paper bagging treatment induced anthocyanin biosynthesis in the ten non-red apple cultivars
(The 4th Asian Horticultural Congress 2023)
Foliar application of abscisic acid changed the volatile aroma content of 'Shine Muscat' grape berries.
(The 4th Asian Horticultural Congress 2023)
Retardation of endogenous ABA synthesis in the leaves dominates anthocyanin, sugar and aroma volatile concentrations in ‘Kyoho’ grape berries
(2022)
Urban horticulture can contribute to the construction of comfortable lives for diverse people
(2021)

Professional career (1)：

Doctor (Agriculture) (Chiba University)

Work history (1)：

2015/04 - 現在 Chiba University Center for Environment, Health and Field Sciences

Awards (1)：

2007/11 - 日本ブドウ・ワイン学会論文賞ブドウの無種子化技術の開発に関する研究

Association Membership(s) (6)：

Japanese Society of Farm Work Research , American Society for Enology and Viticulture , International Society for Horticultural Science , Japanese Society for Tropical Agriculture , American Society for Enology and Viticulture - Japan Chapter , Japanese Society for Horticultural Science

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