Small grain (dwarf)

d-l            daikoku dwarf (chr.5, Nagao & Takahashi 1963)
d-7          heiei-daikoku or cleistogamous dwarf (chr.7, Nagao & Takahashi 1963)
d-11        shinkane-aikoku or nohrin 28 dwarf (chr.4, Iwata & Omura 1971b)
d-13         short grained dwarf (Takahashi et al. 1968)
d-24(t )     m-7 dwarf (Kinoshita & Shinbashi 1982)
d-28         chokeidaikoku or long stemmed dwarf (chr.11, Iwata et al. 1978 b)
d-30        waisei-shirasasa dwarf (chr.2, Iwata & Omura 1971b)
d-58         small grained dwarf (chr.6, Takamure & Kinoshita 1986, 1991)