P. T. T. Hien^1,2, H. T. Thuong¹, L. T. Ngoc¹, ^○H. S. Nguyen³, C. H. Ha¹, T. D. Khanh⁴, P. B. Ngoc¹ (1.Institute of Biotechnology, Vietnam Academy of Science and Technology, Vietnam, 2.Hanoi Pedagogical University, Vietnam, 3.Vietnamese Academy of Agricultural Science, Hanoi, Vietnam, 4.Agricultural Genetics Institute, Vietnam National University of Agriculture, Hanoi, Vietnam)

^○Yulius Barra Pasolon¹, Marselinus Sulu², Asniwati Asniwati³, Muhidin Muhidin⁴, Hitoshi Naito⁵, Hiroshi Ehara⁶ (1.Department of Soil Science, Faculty of Agriculture, Halu Oleo University, Indonesia, 2.International Office, Halu Oleo University, Indonesia, 3.Post Graduate Program, Halu Oleo University, Indonesia, 4.Department of Agronomy, Faculty of Agriculture, Halu Oleo University, Indonesia, 5.College of Life Science, Kurashiki University of Science and The Arts, Japan, 6.International Center for Research and Education in Agriculture, Nagoya University, Japan)

^○Margaret Chan Kit Yok¹, Suriana Baki¹, Seraphina Anak Dominic Gisong², Siraj Munir Bin Mohammad¹ (1.Faculty of Plantation and Agrotechnology, Universiti Teknologi MARA Sarawak Branch, Malaysia, 2.Kumpulan Kelestarian Aras 2, Wisma FELCRA, Malaysia)

^○Thanda Aung (Department of Horticulture, Yezin Agricultural University, Myanmar)

^○Kea Kong¹, Yoichiro Kato², Sarom Men³, Vang Seng¹, Akira Yamauchi⁴, Mayumi Kikuta⁵, Il-Ryong Choi⁶, Hiroshi Ehara^{7, 8} (1.General Directorate of Agriculture, Ministry of Agriculture, Forestry and Fisheries, Cambodia, 2.Institute for Sustainable Agro-ecosystem Services, The University of Tokyo, Japan, 3.Royal University of Agriculture, Cambodia, 4.Graduate School of Bioagricultural Sciences, Nagoya University, Japan, 5.Graduate School of Integrated Sciences for Life, Hiroshima University, Japan, 6.International Rice Research Institute - Korea Office, Korea, 7. Applied Social System Institute of Asia, Nagoya University, Japan, 8.International Center for Research and Education in Agriculture, Nagoya University, Japan)

^○Koki Asano^1,2, Willy Vincent Anak Kagong³, Siraj Munir Bin Mohammad³, Kurumi Sakazaki⁴, Margaret Chan Kit Yok³, Toshiyuki Isoi⁴, Mana Kano-Nakata⁵, Hiroshi Ehara^5,6 (1.Graduate School of Bioagricultural Sciences, Nagoya University, Japan, 2.Faculty of Agriculture, Kasetsart University, Thailand, 3.Faculty of Plantation and Agrotechnology, Universiti Teknologi MARA Sarawak Branch, Malaysia, 4.Faculty of Agriculture, Meijo University, Japan, 5.International Center for Research and Education in Agriculture, Nagoya University, Japan, 6.Applied Social System Institute of Asia, Nagoya University, Japan)

^○Bruce Haja Andrianary¹, Yasuhiro Tsujimoto², Hobimiarantsoa Rakotonindrina¹, Michel Rabenarivo¹, Herintsitohaina Razakamanarivo¹ (1.Laboratoire des Radioisotopes, University of Antananarivo, Madagascar, 2.Japan International Research Center for Agricultural Sciences, Japan)