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Faculty of Agriculture Region of Animal and Plant Biosciences |
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Professor |
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TOBISA Manabu
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Degree 【 display / non-display 】
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博士（農学） ( 1999.3 九州大学 )
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農学修士 ( 1994.3 九州大学 )
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農学士 ( 1992.3 琉球大学 )
Research Areas 【 display / non-display 】
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Life Science / Animal production science
Papers 【 display / non-display 】
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Does the Slope Aspect Really Affect the Soil Chemical Properties, Growth and Arbuscular Mycorrhizal Colonization of Centipedegrass in a Hill Pasture? Reviewed
Manabu Tobisa, Yoshinori Uchida and Yoshinori Ikeda
Grasses 4 ( 3 ) 1 - 19 2025.7
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
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Zixuan Zhong, Mitsuhiro Niimi, Manabu Tobisa, Sachiko Idota, and Yasuyuki Ishii
International Journal of Agronomy 2024 ( 1 ) 1 - 16 2024.12
Language：English Publishing type：Research paper (scientific journal) Publisher：International Journal of Agronomy
Amaranth (Amaranthus hypochondriacus) is a potential C<inf>4</inf> food and forage crop with high yield and quality, which is expected to improve quality forage supply in southern Kyushu region. However, the use of amaranth as a forage crop is limited in southern Kyushu, Japan. Amaranth was seeded in early May 2020 and 2022 to test its adaptability, yield, and forage quality. These characteristics were compared with those of four typical small-grained forage species that is foxtail millet (Setaria italica), Japanese barnyard millet (Echinochloa esculenta), proso millet (Panicum miliaceum), and forage sorghum (Sorghum bicolor). In both years, the highest yield and the rate of crop growth were observed in the first harvest plants in the amaranth. In addition, amaranth also had the highest in vitro dry matter digestibility (IVDMD) and crude protein (CP) content in addition to the lowest neutral detergent fiber (NDF) content in 2020. Both IVDMD and CP content were lower in 2022, due to the fact that the crops were more mature at harvest, although NDF content was the lowest. Among small-grained forage plants, forage sorghum had the second highest yield after amaranth and the highest IVDMD in first-cut plants. The amaranth crop was extensively damaged in 2020, when 31.7% of the crop was lodged by a strong wind from typhoon No. 5. Compared to conventional small grain forage species, amaranth has the potential for high forage yields and quality. However, protecting amaranth plants from typhoon damage requires further study.
DOI： 10.1155/ioa/3164854
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Tobisa M., Nakano Y.
Agronomy 14 ( 12 ) 2024.12
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal) Publisher：Agronomy
This research aimed to assess how different sowing methods and seeding rates influenced the growth, yield characteristics, and forage nutritional value for establishing American jointvetch, a tropical forage legume known for its high productivity and quality, in grasslands in southwestern Japan. The experimental treatments involved two sowing methods, row sowing (RS) and broadcast sowing (BS), and combinations of four different seeding rates (SR, 5, 10, 20, or 30 kg ha−1). The sowing methods affected dry matter yield (DMY): BS resulted in higher DMY (11.3 vs. 8.7 t DM ha−1) and leaf area index (LAI, 7.2 vs. 5.3) than RS, respectively. However, in vitro dry matter digestibility (IVDMD) and crude protein (CP) concentrations were not influenced by the sowing methods. The SR affected LAI, particularly RS, and LAI increased with increasing SR. Contrary to expectations, SR did not affect DMY, IVDMD, CP, digestible DMY, or CP yield. The findings of this investigation indicate that broadcast sowing is the superior method for planting, and even when using a reduced seeding rate of 5 kg ha−1 of seed-in-pod, there was no significant impact on the yield or forage quality of American jointvetch under the conditions examined in this study. This information will contribute to the proper management of its cultivation to ensure higher productivity for use as livestock fodder.
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Zhong Z., Niimi M., Tobisa M., Idota S., Ishii Y.
Agriculture (Switzerland) 14 ( 8 ) 2024.8
Language：English Publishing type：Research paper (scientific journal) Publisher：Agriculture (Switzerland)
Amaranth (Amaranthus hypochondriacus L.) is a potential forage crop with a high yield and crude protein (CP) content; however, establishment methods need to improve for the crop to be less sensitive to typhoons. Optimal establishment, cultivation, and utilization in amaranth were examined in a variety of seasons and methods of establishment in 2021–2023. Four methods were examined: (1) direct seeding in rows, (2) direct seeding in spots, (3) soil seed balls, and (4) transplant pretreatment methods under a randomized blocked design (n = 3). Sowings every month from April to August were applied only in 2021, while establishments in April, May, and August with both pretreatment methods were applied in 2022 and 2023. The establishment in August successfully escaped damage from typhoons. The direct seeding of either rows or spots showed marginal success in establishment compared to stable establishment in pretreatment methods. In 2022 and 2023, the highest yield and CP content were achieved in soil seed balls plots in April and in both pretreated plots sown in August, respectively. The quality of silage fermentation showed a high pH, ranging from 4.52 to 6.39, due to the high CP content in 7.59–18.36% dry matter (DM). Sowing in April or August established with soil seed balls can avoid typhoon damage to have stable forage yields and can be processed with a favorable quality of amaranth silage in the region.
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Tashiro K., Ishitani M., Murai S., Niimi M., Tobisa M., Idota S., Adachi-Hagimori T., Ishii Y.
AgriEngineering 6 ( 2 ) 1847 - 1858 2024.6
Language：English Publishing type：Research paper (scientific journal) Publisher：AgriEngineering
This study assesses the impact of defoliation applied to three developmental stages across three cropping seasons from 2021 to 2023 on growth, yield and forage quality in maize. The experimental design included three treatments: defoliation of three expanded leaves at the 3rd–4th leaf stage (DF1), the 5th–6th expanded leaves by leaf punch (DF2) and expanding leaves with the DF2 treatment (DF3) at the 6th–7th leaf stages, compared with no defoliation (control). Over three years, the most significant decrease in dry matter (DM) yield occurred in DF1 during spring sowing, while in summer sowing, the largest reduction was in DF3, both of which were correlated with changes in the number of grains per ear. The DM yields at harvest were positively correlated with plant leaf areas at the silking stage. The digestibility of forage in in vitro DM decreased concomitantly with an increase in acid detergent fiber content, indicating a decrease in forage quality. Given the frequent severe damage observed in summer sown maize and the detrimental effects of early growth stage leaf feeding on quality and quantity of spring sown maize, the application of registered insecticides is advised to reduce pest damage to maize crops.
Books 【 display / non-display 】
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草地科学シリーズ 3 草類遺伝資源の保全と活用
赤坂舞子ほか42名著 小倉振一郎，飛佐 学，野中和久，山本嘉人（責任編集）日本草地学会編（ Role： Joint editor）
株式会社養賢堂 2024.7
Book type：Scholarly book
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作物学
今井 勝・平沢 正 他41名（ Role： Joint author）
文永堂出版 2013.11
Language：Japanese Book type：Scholarly book
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湿地環境と作物−環境と調和した作物生産をめざして−（共著）
坂上潤一・中園幹生・島村 聡・伊藤 治・石澤公明 編 浅川 晋他39名著（ Role： Joint author）
養賢堂 2010.2
Language：Japanese Book type：Scholarly book
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"jointly worked" Field and Laboratory Methods for Grassland Science
Japanese Society of Grassland Science（ Role： Joint author）
Japan Livestock Technology Association 2004.3
Language：Japanese Book type：Dictionary, encyclopedia
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"jointly worked" Tropical Pasture Science.
Yasuhiro Kawamoto, Yoshimi Imura, Manabu Tobisa, Seijun Kikuchi（ Role： Joint translator）
Japan Livestock Technology Association 1999.3
Language：Japanese Book type：Scholarly book
MISC 【 display / non-display 】
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飼料イネと混作できるマメ科牧草ファジービーンの可能性
飛佐 学
現代農業 88 ( 7 ) 276 - 277 2009.7
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media) Publisher：社団法人 農山漁村文化協会
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"jointly worked" Establishment of the Good Quality Roughage Production in the Drained Paddy Field -Evaluation of cultivation method of the mixed cropping of tropical forage legumes and gramineous forage crops-
Manabu Tobisa, Kaoru Okano
Final Reports for Research Grants for Meat and Meat Products 22 174 - 179 2004.12
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (other) Publisher：The Ito Foundation
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"jointly worked" Establishment of the Good Quality Roughage Production in the Drained Paddy Field -Evaluation of cultivation and feeding value of tropical forage legumes-
Manabu Tobisa, Kaoru Okano
Final Reports for Research Grants for Meat and Meat Products 21 175 - 181 2003.12
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (other) Publisher：The Ito Foundation
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"jointly worked" Establishment of the Good Quality Roughage Production in the Drained Paddy Field
Manabu Tobisa, Yutaka Nakano, Kaoru Okano, Masataka Shimojo, Yasuhisa Masuda
Final Reports for Research Grants for Meat and Meat Products 20 175 - 180 2002.12
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (other) Publisher：The Ito Foundation
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（共著）オリゴ糖によるラット盲腸内容物の性状変化
共著者：岩田英稔，安東竜一，大串 淳，山下智江，飛佐 学，山本幹男，古瀬充宏
畜産の研究，56巻4号，494-500頁 56 ( 4 ) 494 - 500 2002.4
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media) Publisher：養賢堂
Awards 【 display / non-display 】
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日本草地学会研究奨励賞
2002.9 日本草地学会
飛佐 学
Award type：Award from Japanese society, conference, symposium, etc. Country：Japan
Grant-in-Aid for Scientific Research 【 display / non-display 】
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放牧利用可能な暖地型マメ科牧草種の選定と放牧利用法の検討
Grant number：17780201 2005.04 - 2008.03
科学研究費補助金 若手研究(B)
Authorship：Principal investigator
南九州地域で栽培利用可能な暖地型マメ科牧草の検索と利用法の検討
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暖地型マメ科牧草の耐湿性機構解明並びに水田を活用した良質粗飼料生産基盤の確立
Grant number：14760173 2002.04 - 2004.03
科学研究費補助金 若手研究(B)
Authorship：Principal investigator
暖地型マメ科牧草の耐湿性機構の解明のための基礎的研究並びに水田を活用した良質粗飼料生産基盤の確立のための栽培管理利用法の検討
Available Technology 【 display / non-display 】
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暖地型マメ科牧草の栽培利用に関する研究
草地におけるアーバスキュラー菌根菌と牧草との関係に関する研究Home Page： 畜産草地科学科
Related fields where technical consultation is available：・暖地型マメ科牧草の栽培利用に関すること
Message：・共同研究の希望テーマ：暖地型マメ科牧草の栽培利用に関すること
・実証展示圃場等の要望があれば、ぜひ連絡ください。