1. College of Tropical Crops, Hainan University, Haikou, China
2. The United Graduate School of Agricultural Sciences, Iwate University, Morioka, Japan
3. Faculty of Chemical Technology - Environment, University of Technology and Education- The University of Da Nang, Da Nang, Vietnam
4. Faculty of Agriculture, Yamagata University, Tsuruoka, Japan
5. Yamagata Integrated Agricultural Research Center, Yamagata, Japan