There are lots of rice varieties in Japan. 971 varieties have been registered since 1981. And 481 varieties are now on the list.
|Holder of Variety||No. of varieties|
|Collaboration with private and public||24|
|University in Japan||8|
|Korea National Open University Industry Academic Cooperation Foundation||2|
Plant Variety Protection - PVPO at MAFF, JAPAN
I can say public organizations are main players in rice breeding in Japan.