1. Kagoshima Prefectural Institute for Agricultural Development
2. Kagoshima Prefectural Nansatsu Regional Promotion Bureau Agricultural Promotion and Advisory Division
3. Western Region Agricultural Research Center
4. Institute of Vegetable and Tea Science
5. Kyushu Okinawa Agricultural Research Center
6. Faculty of Agriculture, University of Miyazaki
7. Arysta LifeScience Co., Ltd.