1. National Institute of Agrobiological Sciences
2. National Agriculture and Food Research Organization (NARO), Kyushu Okinawa Agricultural Research Center
3. NARO Agricultural Research Center, Hokuriku Research Center
4. NARO Tohoku Agricultural Research Center
5. Aichi Agricultural Research Center, Mountainous Region Agricultural Research Institute
6. Miyazaki Agricultural Research Institute
7. NARO Institute of Crop Science