1. Laboratory of Crop Science, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
2. Indonesian Agency for Agricultural Research and Development (IAARD), Ministry of Agriculture, Jakarta, Indonesia
3. Laboratory of Crop Science, Graduate School of Agriculture Science, Tohoku University, Sendai, Japan
4. Faculty of Agriculture, Department of Agronomy and Horticulture, Bogor Agriculture University, Bogor, Indonesia