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Affiliation |
Faculty of Agriculture Department of Agricultural and Environmental Sciences |
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Title |
Associate Professor |
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External Link |
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HONSHO Chitose
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Degree 【 display / non-display 】
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博士(農学) ( 2007.1 京都大学 )
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修士(農学) ( 2002.3 京都大学 )
Research Areas 【 display / non-display 】
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Environmental Science/Agriculture Science / Horticultural science
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Environmental Science/Agriculture Science / Horticultural science
Papers 【 display / non-display 】
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Construction of a high density genetic linkage map to define the locus conferring seedlessness from Mukaku Kishu mandarin Reviewed International coauthorship International journal
14 1087023 2023.2
Language：English Publishing type：Research paper (scientific journal)
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Self-incompatibility Related to Seedless Fruit Production in Citrus Plants Invited Reviewed
Chitose Honsho
The Horticulture Journal 92 ( 1 ) 1 - 12 2023.1
Authorship：Lead author, Corresponding author Language：English Publishing type：Research paper (scientific journal)
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Effects of Rootstock and Disbudding on the Growth and Quality of Persimmon (Diospyros kaki Thunb.) Fruit Reviewed International journal
Takuya Tetsumura, Takashi Takita, Shogo Funaki, Kutaro Kusano, Kasumi Kuhara, Kotaro Manabe, Kazuki Manabe, Yasuhiro Udatsu, Mitsuhiro Matsuo, Shuji Ishimura, Chitose Honsho
The Horticulture Journal 91 ( 4 ) 489 - 500 2022.10
Authorship：Last author Publishing type：Research paper (scientific journal)
The growth and quality of the fruit from adult ‘Fuyu’ and ‘Hiratanenashi’ Japanese persimmon (Diospyros kaki Thunb.) trees that were grafted onto D. kaki seedlings (S), Rootstock-a (R-a), ‘MKR1’, and own-rooted (O-R) trees planted in February 2003 were observed from 2015 to 2021, when almost all of the trees entered stable, high-productive phases and the fruit quality was stable. The trees that were grafted onto ‘MKR1’ were still dwarfed but produced fruit efficiently. After disbudding took place, in the first half of stage I of the double sigmoid growth curve there was a certain period of time when the fruit of the ‘Hiratanenashi’ trees that were grafted onto ‘MKR1’ was lighter than the trees that had been grafted onto S. However, in the second half of stage I, the fruit of the former was heavier than that of the latter, and the flesh cells of the former were larger than that of the latter. In stage II and III, the fruit of the latter grew faster and became significantly heavier just before the harvest. The fruit growth of the ‘Fuyu’ trees that were grafted onto R-a was retarded compared to the growth of trees that were grafted onto ‘MKR1’ throughout most of the growing period. Heavy disbudding (HD) effectively increased the fruit weight of the ‘Hiratanenashi’ trees that were grafted onto ‘MKR1’ in a certain time period in stage I and in stage III compared to normal disbudding. HD also improved the fruit growth of the ‘Fuyu’ trees that were grafted onto ‘MKR1’, although this was not as effective as the ‘Hiratanenashi’ fruit growth. The weight of the harvested ‘Fuyu’ trees’ fruit increased in the following order: R-a, ‘MKR1’, O-R, and S. The ‘Hiratanenashi’ trees that were grafted onto ‘MKR1’ had the lightest fruit among the rootstocks, but the HD treatment for the trees that had been grafted onto ‘MKR1’ increased the fruit weight, and the difference disappeared. The soluble solids concentration of ‘Fuyu’ fruit was the highest in ‘MKR1’ and the lowest in R-a. ‘Hiratanenashi’ fruit had the highest concentration of soluble solids in S and the lowest concentration in O-R. The level of firmness of ‘Fuyu’ fruit flesh was the hardest in ‘MKR1’ and the softest in R-a, whereas the level of firmness of ‘Hiratanenashi’ fruit was the same among the rootstocks. Although the a* value of ‘Fuyu’ fruit skin color was the same among the rootstocks, the a* value skin color of ‘Hiratanenashi’ fruit was the highest in ‘MKR1’ and R-a and the lowest in S. These results suggest that the persimmon rootstock partly affects growth and quality of the fruit, although there are differences in the reactions between scion cultivars.
DOI： 10.2503/hortj.QH-010
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Estimating the mode of unreduced gamete formation in Citrus tamurana hort. ex Tanaka by fine genotyping of 4x embryos and 6x endosperms Reviewed International journal
Chiose Honsho, Ryuto Sakamoto, Shuji Ishimura, Takukya Tetsumura
91 ( 3 ) 286 - 295 2022.7
Authorship：Lead author, Corresponding author Language：English Publishing type：Research paper (scientific journal)
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T. Tetsumura, Y. Sei, H. Ogata, S. Ishimura, C. Honsho, R. Tanaka, K. Matsumoto
Acta Horticulturae 1338 163 - 170 2022.5
Language：English Publishing type：Research paper (international conference proceedings)
Books 【 display / non-display 】
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熱帯作物学
志和地弘信，遠城道雄 他36名（ Role： Contributor , マンゴー）
朝倉書店 2022.4 （ ISBN:978-4-254-41042-6 ）
Total pages：206 Responsible for pages：100-104 Language：Japanese Book type：Textbook, survey, introduction
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果実の事典(共著)
本勝千歳（ Role： Sole author）
朝倉書店 2008.11
Language：Japanese Book type：Dictionary, encyclopedia
MISC 【 display / non-display 】
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Which is better for mother stock of leaf-bud cuttings of kaki (Diospyros kaki), root-sucker or hedge? Reviewed
T. Tetsumura, S. Ishimura, and C. Honsho
Combined Proceedings International Plant Propagators’ Society 67 371 - 376 2018.11
Language：English Publishing type：Article, review, commentary, editorial, etc. (scientific journal) Publisher：International Plant Propagators’ Society
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Hardwood and softwood cutting propagation of MKR1, persimmon dwarfing rootstock Reviewed
Z. Hejazi, S. Ishimura, C. Honsho, and T. Tetsumura
Combined Proceedings International Plant Propagators’ Society 66 97 - 111 2017.11
Language：English Publishing type：Article, review, commentary, editorial, etc. (scientific journal) Publisher：International Plant Propagators’ Society
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Improvement in rooting of cuttings of FDR-1, a dwarfing rootstock for kaki Reviewed
T. Tetsumura, S. Ishimura, C. Honsho, and H. Chijiwa
Combined Proceedings International Plant Propagators’ Society 65 113 - 115 2016.11
Language：English Publishing type：Article, review, commentary, editorial, etc. (scientific journal) Publisher：International Plant Propagators’ Society
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Rooting of cuttings and growth of nursery stocks of MKR1, a dwarfing rootstock for kaki
T. Tetsumura, S. Ishimura, C. Honsho, Y. Maeda, T. Ito.
Combined Proceedings International Plant Propagators’ Society 64 373 - 375 2015.11
Language：English Publishing type：Research paper, summary (national, other academic conference) Publisher：International Plant Propagators’ Society
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Microscopic observation on graft union of dwarfing rootstock for Japanese persimmon (Diospyros kaki Thunb.)
S. Ishimura, C. Honsho, T. Tetsumura, H. Chijiwa
Combined Proceedings International Plant Propagators’ Society 62 469 - 472 2013.11
Language：English Publishing type：Research paper, summary (national, other academic conference) Publisher：International Plant Propagators’ Society
Presentations 【 display / non-display 】
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Genetic resources of Citrus tamurana mutants for research on citrus reproductive traits Invited International conference
Chitose HONSHO
International Symposium on Scientific and Technological Innovations in the Pummelo/Grapefruit Industry (Shangrao, Jiangxi) 2024.11.19
Event date： 2024.11.18 - 2024.11.19
Language：English Presentation type：Oral presentation (invited, special)
Venue：Shangrao, Jiangxi Country：China
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Downregulation of S15-RNase gene expression in Citrus tamurana 'Ihara Hyuga', a self-compatible bud sport of C. tamurana 'Hyuganatsu' International conference
Chitose Honsho, Rei Ishido, Miyu Kosaka, Shuji Ishimura, Takuya Tetsumura
The 15th International Citrus Congress 2024 (Jeju) 2024.11.14
Event date： 2024.11.10 - 2024.11.15
Language：English Presentation type：Poster presentation
Venue：Jeju Country：Korea, Republic of
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Micropropagation of Chinese chestnut, freezing-tolerant rootstock selections
Tetsumura, T., S. Yamashita, A. Maeda, C. Honsho, H. Kuroda
2024.11.4
Event date： 2024.11.3 - 2024.11.5
Language：Japanese Presentation type：Poster presentation
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Field performance, yield, and fruit quality of 'Fuyu' Japanese persimmon trees grafted on 'MKR1' interstock
Takizawa, M., S. Ishimura, C. Honsho, T. Tetsumura
2024.11.4
Event date： 2024.11.3 - 2024.11.5
Language：Japanese Presentation type：Poster presentation
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Fruit setting behavior and fruit characteristics of 'Ishikawa Hyuga', a new bud-sport cultivar of 'Hyuganatsu'
Kishita, M., T. Maeda, S. Ishimura, T. Tetsumura, C. Honsho
2024.11.4
Event date： 2024.11.3 - 2024.11.5
Language：Japanese Presentation type：Poster presentation
Awards 【 display / non-display 】
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園芸学会奨励賞
2017.3 一般社団法人 園芸学会
本勝千歳
Award type：Award from Japanese society, conference, symposium, etc. Country：Japan
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日本熱帯農業学会奨励賞
2010.3 日本熱帯農業学会
本勝千歳
Award type：Award from Japanese society, conference, symposium, etc. Country：Japan
Grant-in-Aid for Scientific Research 【 display / non-display 】
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ヒュウガナツ高精度参照ゲノム構築とそれを利 用した枝変わり変異形質の原因遺伝子探索
Grant number：23H02205 2023.04 - 2027.03
日本学術振興会 科学研究費助成事業 基盤研究(B)
本勝千歳
Authorship：Principal investigator Grant type：Competitive
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カンキツ属植物の自家不和合性はS-RNaseに支配されているのか？
Grant number：19H02949 2019.04 - 2023.03
独立行政法人日本学術振興会 科学研究費補助金 基盤研究(B)
Authorship：Principal investigator
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ヒュウガナツ‘西内小夏’の非還元花粉形成機構の解明とそのカンキツ育種への利用（国際共同研究強化）
Grant number：15KK0285 2016.10 - 2019.03
科学研究費補助金 国際共同研究加速基金（国際共同研究強化）
Authorship：Principal investigator
ヒュウガナツ（Citrus tamurana）の品種‘西内小夏’は非還元花粉(2n花粉)を生産し，さらにこの2n花粉には親個体（‘西内小夏’）におけるヘテロ接合性が高い割合で遺伝していることが明らかとなった．また‘西内小夏’を自家受粉した場合，正常に減数分裂した半数体（n）花粉は，自家不和合性により花粉管伸長が抑制され受精に至らないが，2n花粉のみ自家不和合性が打破され，受精に至ることが明らかになっている．これらのことを考慮すると，‘西内小夏’の自家不和合性打破の機構は，競合的相互作用（competitive interaction：ヘテロなS対立遺伝子が同一花粉に共存したときに，自家不和合性が打破される現象）によるものであると推察することができる．現在までに他植物で明らかになっている自家不和合性のメカニズムでは，T2型RNase/F-boxタンパク質によるメカニズムに最も合致し，カンキツ属植物の自家不和合性はS-RNase型の自家不和合性ではないかとの仮説が立てられる．そこで本研究では，自家不和合性カンキツ属植物の花柱および花粉における遺伝子発現の網羅的解析を行い，この仮説の検証を行うものである．
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倍数性が異なる組織を利用したヒュウガナツ非還元配偶子の遺伝的構成の解明
Grant number：16K07600 2016.04 - 2019.03
科学研究費補助金 基盤研究(C)
Authorship：Principal investigator
ヒュウガナツ‘西内小夏’で明らかにされた高頻度での非還元花粉形成は，カンキツ属植物で初めて確認されたもので，‘西内小夏’自身の生産性の向上に寄与するばかりでなく，これを育種素材として利用した新しいカンキツ品種作出への潜在的価値も含んでいる．しかしながら，非還元花粉を育種素材として捉えたときに，非還元花粉の遺伝的構成を明らかにすることが重要であるにもかかわらず，解析に適した後代個体の獲得が困難であることから，未だにこれを解明するまでに至っていない．本研究では，これまで非還元花粉が受精しているが解析に不向きと思われていた個体を用いた新たな解析方法を提案・検証し，その方法によって‘西内小夏’でみられる非還元花粉の遺伝的構成を明らかにすることを目的としている．
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ヒュウガナツ‘西内小夏’の非還元花粉形成機構の解明とそのカンキツ育種への利用
Grant number：24688003 2012.04 - 2016.03
科学研究費補助金 若手研究(A)
Authorship：Principal investigator
ヒュウガナツ品種‘西内小夏’は，普通系ヒュウガナツの枝変わり品種であるが，自家受粉で結実(自家和合化)し，かつ果実中の種子がしいな(発育不全の小種子)化するという，農業生産上有益かつ重要な形質を獲得している．この現象は‘西内小夏’の非還元花粉形成によるものと考えられ，カンキツ属植物では世界で初めて確認されたもので，園芸的利用価値が非常に高い．本研究は，この非還元花粉形成機構について，組織学的，分子生物学的手法によって知見を得ると共に，様々な倍数性・形質を持った交雑後代を多数作出することにより，将来の育種事業への基盤構築を行う．
Other external funds procured 【 display / non-display 】
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Development of mango breeding and research systems by utilizing germplasm collection and cultivation differences
2011.04 - 2013.03
Authorship：Principal investigator Grant type：Competitive
Other research activities 【 display / non-display 】
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Organizing committee member for the 7th international symposium on persimmon
2019 - 2021.09
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Scientific committee of XI International Mango Symposium
2015.09 - 2015.10
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Editor of Acta Horticulturae
2014.08 - 2016.04
Available Technology 【 display / non-display 】
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日向夏の結実特性の解明
マンゴーの開花整理に関する研究
DNAマーカーを利用した，品種識別や遺伝特性に関する研究Home Page： 果樹園芸学研究室
Related fields where technical consultation is available：・DNA マーカーを利用した品種識別
Message：・共同研究の希望テーマ：カンキツ、マンゴーの開花結実に関する研究