1. School of Environmental Science, The University of Shiga Prefecture
2. Tohoku Agricultural Research Center, NARO
3. Aomori Prefectural Industrial Technology Research Center, Vegetable Research Institute
4. Faculty of Bioresources and Environmental Science, Ishikawa Prefectural University
5. Western Region Agricultural Research Center, NARO
6. Institute of Vegetable and Floriculture Science, NARO