1. Graduate school of Agricultural Science, Iwate University
2. Faculty of Agriculture, Iwate University
3. Institute of Fruit Tree and Tea Science, NARO
4. Institute of Radiation Breeding, Institute of Crop Science, NARO
5. Fruit Tree Research Center, Fukushima Agricultural Technology Center
6. Faculty of Agriculture and Life Science, Hirosaki University
7. Field Science Center, Faculty of Agriculture, Iwate University