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Professor |
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Laboratory Address |
Sakuragaoka 1-1-1, Setagaya, Tokyo, Japan |
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Laboratory Phone number |
+81-(0)3-5477-2463 |
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Laboratory Fax number |
+81-(0)3-5477-2463 |
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External Link |
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SHINOHARA Takashi Professor |
From School 【 display / non-display 】
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Tokyo University of Agriculture Faculty of Agriculture Graduated
- 2000.03
Country：Japan
From Graduate School 【 display / non-display 】
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Kasetsart大学 熱帯農業研究科 Doctor Course Completed
2003.11 - 2006.10
Country：Thailand
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Chiba University Master Course Completed
2000.04 - 2002.03
Country：Japan
Degree 【 display / non-display 】
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Ph.D. (Tropical Agriculture) ( 2006.11 Kasetsart University )
Employment Record in Research 【 display / non-display 】
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Tokyo University of Agriculture Faculty of International Agriculture and Food Studies Department of International Food and Agricultural Science Professor
2023.04
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Tokyo University of Agriculture Faculty of International Agriculture and Food Studies Department of International Agricultural Development
2007.04 - 2008.03
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Tokyo University of Agriculture Junior College Department of Bioproduction Technology Assistant Professor
2008.04 - 2010.03
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Tokyo University of Agriculture Junior College Department of Bioproduction Technology Assistant Professor
2010.04 - 2014.03
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Tokyo University of Agriculture Junior College Department of Bioproduction Technology Associate Professor
2014.04 - 2018.03
Professional Memberships 【 display / non-display 】
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International Seed Testing Association (ISTA)
2008.09
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The Japanese Society for Tropical Agriculture
2008.08
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The Japanese Society for Horticultural Science
2011.01
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The Japanese Association for Arid Land Studies
2009.07
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International Society for Southeast Asian Agricultural Sciences
2007.06
Research Areas 【 display / non-display 】
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Environmental Science/Agriculture Science / Horticulture / Seed Science Fruit Science
Research Interests 【 display / non-display 】
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horticultural Science
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Fruit Science
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Seed Science
Papers 【 display / non-display 】
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Physical and Chemical Characterization of Passion Fruit, Focusing on the Differences in Juice Carotenoids and Sugars Reviewed International coauthorship International journal
94 ( 2 ) 190 - 199 2025.02
Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal) Publisher：The Japanese Society for Horticultural Science (JJSHS)
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Manual and automated counts of early radicle emergence assess differences in seed vigour and normal germination in four vegetable Brassicaceae species Reviewed International journal
Takashi Shinohara, Sylvie Ducournau, Stan Matthews, Marie-Helene Wagner and Alison A. Powell
Seed Science and Technology 52 ( 3 ) 327 - 342 2024.12
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal) Publisher：International Seed Testing Association
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Influence of the Hypobaric Method in Physicochemical Fruit Quality Traits of Yellow and Purple Passion Fruit Stored in Cold Temperature Reviewed International coauthorship International journal
Viera William, Shinohara Takashi, Sanada Atsushi, Terada Naoki, Koshio Kaihei
The Horticulture Journal advpub ( 0 ) 2023
Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal) Publisher：The Japanese Society for Horticultural Science
<p>Passion fruit (<i>Passiflora edulis</i>) is a tropical fruit that can be consumed fresh or processed. It is a typical respiratory climacteric fruit which is highly perishable because of the loss of water that causes dehydration and thus shrinkage, affecting the fruit appearance; in addition, some quality traits such as fruit weight, firmness and vitamin C content can also be influenced. Therefore, this fruit has a short shelf life. Storage in low temperatures has been assessed to extent the passion fruit shelf life remaining its fruit quality traits; however, information about the application of the hypobaric method in this fruit is null. The objective of this research was to evaluate the physical and chemical characteristics of the yellow and purple passion fruit under hypobaric storage conditions in low temperature. Results showed the hypobaric method had a positive effect in decreasing fruit weight loss, declining the loss of firmness, and reducing the degradation of vitamin C during the storage period. It decreased the evolution of ethylene which is positive to delay fruit senescence, and the production of CO<sub>2</sub>. Finally, it was the only method which avoids the shrinkage completely in the purple passion fruits (‘Gulupa’, ‘Summer Queen’, and ‘Ruby Star’) and showed minor shrinkage in ‘POR1’ (yellow passion fruit). This method is considered as a promising technique to improve fruit storage.</p>
DOI： 10.2503/hortj.qh-081
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Estimating irrigation water amounts for tomato cultivation using observed meteorological data in Djibouti Reviewed
WATANABE Fumio, SUZUKI Shinji, MOHAMED Tabarek Ismael, JITSUNO Masataka, OHSHIMA Hiroyuki, SANADA Atsushi, SHINOHARA Takashi
Journal of Arid Land Studies 32 ( 3 ) 81 - 81 2022.12
Language：English Publisher：The Japanese Association for Arid Land Studies
<p>Irrigation is essential for crop cultivation in dry and semi-arid areas with limited rainfall and water resources. Efficient and effective use of water resources is required but saving irrigation water is important. The study area is in Ali Faren farm located in west of Djibouti which lies in the Horn of Africa. Djibouti is a very dry region with annual rainfall of about 150 mm and an average annual temperature of 28.6°C. Due to such meteorological conditions, water resources depend mostly on groundwater, and this makes water extremely scare. Therefore, water saving in the agricultural field is indispensable.</p><p>This study aims at effective and efficient use of irrigation water in Djibouti. The appropriate irrigation water for tomato cultivation were estimated using CROPWAT provided by FAO and observed meteorological data at Ali Faren farm in Djibouti. The observed meteorological data include air temperature, relative humidity, wind speed and sunshine hour. The conditions required for calculating the amount of irrigation water were medium loam soil texture based on the laboratory results of soil particle size test, and the tomato cultivation period from October to March according to the local farmers.</p><p>The result showed that the average monthly reference evapotranspiration was 5.7 mm/day annually. Reference Evapotranspiration was maximum in July with 7.9 mm/day and minimum in December with 3.9 mm/day. It was observed that the effective rainfall from October to March was 55.2 mm which corresponds to the local tomato cultivation period. Additionally, the required water amount for tomato crops varied between 2.9 to 4.2 mm/day.</p><p>Finally, the appropriate irrigation area of this farm will be determined based on the measured amount of groundwater discharge at an existing well and the estimated irrigation water amount.</p>
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Pulp Mineral Content of Passion Fruit Germplasm Grown in Equador and Its Relationship with Fruit Qualiy Traits Reviewed
697 1 - 19 2022.03
Language：English Publishing type：Research paper (scientific journal)
Books and Other Publications 【 display / non-display 】
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熱帯作物学 3.3 花菜
篠原 卓（ Role： Joint author）
朝倉書店 2022.04
Language：Japanese Book type：Scholarly book
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園芸生産学 5.4 マメ類
篠原 卓（ Role： Joint author）
朝倉書店 2021.10
Language：Japanese Book type：Scholarly book
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小池 安比古, 高畑 健, 藤澤 弘幸, 河合 義隆 , 望岡 亮介 , 佐藤 明彦, 浅田 真一, 峯 洋子, 篠原 卓, 岡部 繭子, 元木 悟, 森 志郎, 窪田 聡（ Role： Contributor）
朝倉書店 2021 （ ISBN:9784254405514 ）
Language：Japanese Book type：Textbook, survey, introduction
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沙漠学事典 5章 砂漠の資源と経済活動、商品作物と付加価値化
篠原 卓（ Role： Joint author）
丸善出版 2020.07
Language：Japanese Book type：Scholarly book
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Genotyping Chapter 2 Microsatellite Capture Sequencing
（ Role： Joint author）
2017.11
Language：English Book type：Scholarly book
Misc 【 display / non-display 】
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Seed Vigour as a New Seed Quality Index and Its Utility
16 ( 1 ) 1 - 9 2009.07
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (scientific journal)
Scientific Research Funds Acquisition Results 【 display / non-display 】
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トランスクリプトーム解析によるパッションフルーツ成熟前落果発生機構解明
2021.06 - 2024.03
科学研究費補助金 基盤研究(C)
篠原 卓
Authorship：Principal investigator
パッションフルーツ（PF）は適熟となり生理的落果した果実を収穫する亜熱帯果樹である．近年，高品質な果実生産を目的とした国内栽培面積は増加しているが，酸度が高いまま落果する未成熟落果（PmFD）が課題となっている．これまでに果実からのエチレン放出量が非常に微量な時期にPmFDが発生すること，離層部のセルラーゼ活性は果実のエチレン放出量に応答しないことを報告してきた．本研究は，PFのPmFDの発生機構を明らかにするために，PF離層部におけるにPmFDに関わる細胞壁分解酵素をトランスクリプトーム解析により明らかにする試みである．
Other External Funds 【 display / non-display 】
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Development of rapid tests to predict germination and vigour and their potential for automation using image analysis
2019.09 - 2021.02
International Seed Testing Association
Dr.Sylvie Ducournau: GEVES, France. and Prof. Alison Powell: University of Aberdeen, UK, Dr Birte Boelt, Aarhus University, Denmark:
Authorship：Coinvestigator(s) Grant type：Competitive
There are demands for rapid methods of predicting germination and vigour. Published research has revealed that early radicle emergence (RE) counts and measurements of electrical conductivity (EC) predict normal germination (NG) and vigour of two Brassica
species. This project will 1) assess the potential of both tests to predict germination and vigour of commercial seed lots of five other Brassica species, and 2) examine the application of two systems of image analysis, RGB digital imaging (GEVES system) and multispectral analysis (Videometer), to assess radicle emergence. Seed lots covering a range of NG, above and below the commercially acceptable level, will be
used to identify 1) lots with unacceptable NG 2) differences in germination between lots with acceptable NG. Work on vigour will focus on lots with high acceptable NG; initial vigour assessments will be made using the Controlled Deterioration test and the
rate of, and final, emergence in field or glasshouse trials. Automated germination progress curves, produced using the GEVES digital imaging system will select times for RE counts that predict NG. RE counts using multispectral imaging will reveal if the
two image analysis systems give reproducible data and predict NG. The potential for measurements of the EC of seed soak water, taken at different times during 24 hours soaking to predict NG will also be examined. Both the EC and the selected RE counts will be compared to assessments of vigour to determine if they can be used as vigour tests. Members of the Germination and Vigour Committees will take part in
comparative tests on two of the species using the selected RE and EC assessments. These will use both manual assessments and image analysis systems to test their ability to assess NG and vigour and to provide data on repeatability and reproducibility for test validation.
Presentations 【 display / non-display 】
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Research on the Mechanisms Underlying Premature Fruit Drop in Passion Fruit -Anatomical Observations and Cultivar Differences in Abscission Layer Morphology-
2026.03
Event date： 2026.03
Language：Japanese Presentation type：Oral presentation (general)
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The Use of High-performance Seeds Contributes Water Conservation during Tomato Seedling Production on a Farm in Djibouti International conference
2025.11
Event date： 2025.11
Language：English Presentation type：Poster presentation
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Role of phosphorus in seed vigour in mustard (Brassica juncea): Implications from radicle emergence and cell cycle activity Invited International conference
Takashi SHINOHARA, Yuka MASUDA and Saki YOSHIDA
International Seed Testing Association Seed Symposium 2025 2025.05 International Seed Testing Association
Event date： 2025.05
Language：English Presentation type：Oral presentation (general)
Venue：Christchurch Country：New Zealand
カラシナ種子の活力形成におけるリンの役割を明らかにするため、母植物へのリン施用量を変えて種子リン含量を調節し、発芽勢（RE）および細胞分裂速度（4C/2C比）との関係を調査した。その結果、種子リン含量の増加に伴ってREは向上し、REの高い種子ほど4C/2C比も高く、細胞分裂が活発であることが示された。このことから、リンは種子内のエネルギー供給やDNA複製・修復を介して細胞分裂を促進し、高活力種子の形成に重要な役割を果たすことが示唆された。
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Effects of Sucrose Fatty Acid Esters Coating and Modified Atmosphere Packages on the Storage under Low Temperature with Low Relative Humidity Conditions for Fruits of Jaboticaba (Plinia cauliflora (Mart.) Kausel) International conference
2024.11
Event date： 2024.11
Language：English Presentation type：Oral presentation (general)
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Fruit Quality Characteristics of Ever-bearing Jaboticaba cultivar ‘Savara’ Harvested at Different Seasons
2024.11
Event date： 2024.11
Language：English Presentation type：Oral presentation (general)
Committee Memberships 【 display / non-display 】
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A Member of Seed Vigour Committee
2019.05
Committee type：Academic society
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日本熱帯農業学会 学会賞受賞候補者選考委員会 幹事
2014.04
Committee type：Academic society
Basic stance of industry-university cooperation 【 display / non-display 】
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問題解決型の研究を信条としております。積極的に取り組みたいと思います。