I-Pl-1.             Inhibitor for purple leaf-1 / duplicate or triplicate (chr-5,
                        Nagao et al. 1962)
I-Pl-2             Inhibitor for purple leaf-2 (chr.6, Nagao et al. 1962,
                        Kinoshita &  Takamure 1990)
I-Pl-3             Inhibitor for purple leaf-3 (Nagao et al. 1962)
I-Pl-4             Inhibitor for purple pericarp / complementary (chr.6, Kinoshita and Takamure 1990)
I-Pl-5             Inhibitor for purple pericarp (Kinoshita and Takamure 1990)
I-Pl-6             Inhibitor for purple leaf (PIⁱ) (Kinoshita & Maekawa 1986)
I-Ps-a             Inhibitor for purple stigma / complementary (Hsieh 1961)
I-Ps-b             Inhibitor for purple stigma (Chr.l, Hsieh 1961)
I-Ps-l*            Inhibitor for purple stigma (Ps-1) (Oka 1991)
I-Ps-3*           Inhibitor for purple stigma (Ps-3) (Oka 1991)