広島大学

Basic Information

Academic Degrees

• Kochi University
• Nagoya University

Research Fields

• Agricultural sciences;Plant production and environmental agriculture;Crop production science
• Agricultural sciences;Boundary agriculture;Environmental agriculture(including landscape science)

Affiliated Academic Societies

• Crop Science Society of Japan
• Japanese Society for Tropical Agriculture

Educational Activity

Course in Charge

1. 2024, Undergraduate Education, 3Term, Research Front of Bioresource Science
2. 2024, Undergraduate Education, 2Term, Reading of Foreign Literature in Applied Animal and Plant Schience
3. 2024, Undergraduate Education, Intensive, Laboratory and Field Works in Plant Production
4. 2024, Undergraduate Education, Second Semester, Graduation Thesis I
5. 2024, Undergraduate Education, First Semester, Graduation Thesis II
6. 2024, Undergraduate Education, Second Semester, Graduation Thesis III
7. 2024, Undergraduate Education, Intensive, (AIMS) Physiology of Field Crop Production
8. 2024, Undergraduate Education, 3Term, Physiology of Field Crop Production
9. 2024, Graduate Education (Master's Program) , 1Term, Exercises in Bioresource Science A
10. 2024, Graduate Education (Master's Program) , 2Term, Exercises in Bioresource Science A
11. 2024, Graduate Education (Master's Program) , 3Term, Exercises in Bioresource ScienceB
12. 2024, Graduate Education (Master's Program) , 4Term, Exercises in Bioresource ScienceB
13. 2024, Graduate Education (Master's Program) , Academic Year, Research for Academic Degree Dissertation in Bioresource Science
14. 2024, Graduate Education (Master's Program) , 1Term, Plant Production Science I

Research Activities

Academic Papers

1. Yield responses of upland rice varieties to low N conditions in Central Kenya, Journal of Agricultural Science, 15(6), 19-29, 202305
2. The outstanding rooting1 mutation gene maintains shoot growth and grain yield through promoting root development in rice under water deficit field environments, JOURNAL OF AGRONOMY AND CROP SCIENCE, 208(6), 815-829, 202212
   Link to Paper Search Results by DOI
3. ★, Alternate Wetting and Drying (AWD) Mitigates the Decline in Grain Filling of Basmati 370 Due to Low Temperature in Tropical Highlands, AGRONOMY-BASEL, 11(11), 202111
   Link to Paper Search Results by DOI
4. Factors Explaining Differences in Yield Response to High Nitrogen Fertilization among Rice Varieties under Tropical Highland Conditions in Central Kenya, JARQ-JAPAN AGRICULTURAL RESEARCH QUARTERLY, 55(3), 209-216, 2021
5. Marker-Assisted Introgression and Stacking of Major QTLs Controlling Grain Number (Gn1a) and Number of Primary Branching (WFP) to NERICA Cultivars, PLANTS-BASEL, 10(5), 844, 2021
6. A method for evaluating cold tolerance in rice during reproductive growth stages under natural low-temperature conditions in tropical highlands in Kenya, PLANT PRODUCTION SCIENCE, 23(4), 466-476, 2020
7. Analysis of rice yield response to various cropping seasons to develop optimal cropping calendars in Mwea, Kenya, PLANT PRODUCTION SCIENCE, 23(3), 297-305, 2020
8. Factors determining sago starch import demand: Empirical evidence from Japan, Journal of International Logistics and Trade, 18(4), 159-167, 2020
9. Effect of nitrogen application on the expression of drought-induced root plasticity of upland NERICA rice, PLANT PRODUCTION SCIENCE, 22(2), 180-191, 2019
10. Agro-economic Evaluation of Fertilizer Management for Wet Season Rice in Southern Cambodia, Tropical Agriculture and Development, 63(4), 210-218, 2019
11. Evaluation of a newly identified mutation gene that promotes root elongation for improvement of drought avoidance in rice, Journal of International Cooperation for Agricultural Development, 17, 34-40, 2019
12. ★, Effects of different water management practices on the dry matter production process and characteristics in NERICAs., Plant Production Science, 22(2), 168-179, 2019
13. Growth of Rice Varieties in Different Kenyan Soil Types Under Water-Deficit Conditions, Journal of Agricultural Science, 11(6), 1-11, 2019
14. Identification and validation of QTLs for cold tolerance at the booting stage and other agronomic traits in a rice cross of a Japanese tolerant variety, Hananomai, and a NERICA parent, WAB56-104, PLANT PRODUCTION SCIENCE, 21(2), 132-143, 2018
15. ★, Effects of Slope-related Soil Properties on Upland Rice Growth and Yield under Slash-and-burn System in South Konawe Regency, Southeast Sulawesi Province, Indonesia, Tropical Agriculture and Development, 62(2), 60-67, 2018
16. Grain yield responses of lowland rice varieties to increased amount of nitrogen fertilizer under tropical highland conditions in central Kenya, PLANT PRODUCTION SCIENCE, 21(2), 59-70, 2018
17. Development of a New Cultivation Technology for Cold Stress Escape through Flowering Time Manipulation by Water Management in the Highlands of East Africa, Journal of International Cooperation for Agricultural Development, 15, 32-41, 2017
18. ★, Growth and yield responses of upland NERICAs to variable water management under field conditions, PLANT PRODUCTION SCIENCE, 20(1), 36-46, 2017
19. Drought-induced root plasticity of two upland NERICA varieties under conditions with contrasting soil depth characteristics, PLANT PRODUCTION SCIENCE, 19(3), 389-400, 2016
20. ★, How Growth and Yield of Upland Rice Vary with Topographic Conditions:A Case of Slash-and-burn Rice Farming in South Konawe Regency, Southeast Sulawesi Province, Indonesia, Tropical Agriculture and Development, 60(3), 162-171, 2016

Publications such as books

1. Development of rice breeding and cultivation technology tailored for Kenya's environment. In Kokubun, M. and Asanuma, S. (eds.), Crop Production under Stressful Conditions - Application of Cutting-edge Science and Technology in Developing Countries., Springer, 2018, 08, Scholarly Book, Joint work

Invited Lecture, Oral Presentation, Poster Presentation

1. Variation in Grain Characteristics of Upland Rice Cultivated in Southeast Sulawesi, Indonesia, Kikuta, M., Barra Pasolon, Y.B., Rembon, F. S., Miyazaki, A., Yamamoto Y., 10th Asian Crop Science Association Conference, 2021, Without Invitation, Japanese
2. Evaluation of Salinity Tolerance in Rice Lines Carrying Overlapping Chromosome Segments of Oryza longistaminata in a Genetic Background of Kernel Basmati, Tomita, R., Gichuhi W, E., Daniel M. M., Kikuta, M., Makihara, D., 10th Asian Crop Science Association Conference,, 2021, Without Invitation, Japanese
3. Agro-economic Evaluation of Fertilizer Management for Wet Season Rice in Southern Cambodia, Kong, K., Kato, Y., Men,S., Seng, V., Yamauchi, A., Kikuta, M., Choi, I.R., Ehara, H., 10th Asian Crop Science Association Conference, 2021, Without Invitation, Japanese

External Funds

Acceptance Results of Competitive Funds

1. 2023, 2024
2. 2022, 2024
3. 2020, 2022
4. 2018, 2021
5. 2020, 2021
6. 2018, 2021
7. 2018, 2020
8. 2018, 2021

Social Activities

History as Committee Members

1. 10th Asia Crop Science Conference Steering Committee, 2020