1. Laboratory of Agroecology, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Fukuoka, Japan
2. Department of Crop Production and Breeding, Fukuoka Agriculture and Forestry Research Center, Fukuoka, Japan
3. Bioinformatics Unit, Research Center for Advanced Analysis, National Agriculture and Food Research Organization, Ibaraki, Japan
4. Institute of Plant Science and Resources, Okayama University, Okayama, Japan