Heading date E-1                 Heading date-1 (chr.7, Syakudo & Kawase 1953, Tasi 1976, 1984,
(=m-Ef-l+)        Okumoto et al. 1984, 1992, 1994)
E-2                 Heading date-2 (Syakudo & Kawase 1953, Okumoto et al. 1994)
E-3                 Heading date-3 (Syakudo et al. 1954, Okumoto et al. 1994)
Ef-1                Earliness-1 / Ef-1a, Ef-1b, Ef-1, Ef-1x (chr.10, Tsai & Oka 1966,
(Ef-2)             Tsai 1976, Sato & Shirakawa 1986, Sato et al. 1988)
Ac-ef-1           Acceleration of heading (ef-1) (Tsai 1993)
ef-2                 late heading-2 (Tsai 1986, 1990, 1991d)
ef-3                 late heading-3 (Tsai 1986, 1991d)
ef-4                 late heading-4 (Tsai 1986, 1991d)
Ef(t)*              Earliness from 0. australiensis (chr.10, Ishii et al. 1994)
Ef-x(t)*           Earliness-x (chr.2, Sato et al. 1992)
Ef-y(t)*           Earliness-y/ complementary (chr.6 or 7, Sato et al. 1992)
PS*                Photosensitivity (chr.6, Hackill et al. 1993)
Se-1                Photosensitivity-1 / Se-1e, Se-1n , Se-1t , Se-1s , Se-1u (chr.6,
                        Yokoo & Kikuchi 1977, 1978, 1982, Ohshima et al. 1993a,b)

i-Se-1            recessive inhibitor for photosensitivity (Se-1) (Chang et al. 1969)
En-Se-l(t)      Strong sensitivity to photoperiod /Enhancer to Se-1 (chr.6, Sano 1992)
Su-se-l(t)*     Suppressor for photosensitivity (Sano 1990c)
se-2               photosensitivity-2 (chr.7, Yu & Yao 1968)
Se-3(t)           Photosensitivity-3 (Poonyarit et al. 1987, 1989)
Se-4(t)           Photosensitivity-4(Ohshima et al. 1993a)
Se-5               Photosensitivity-5 (chr.6, Yokoo and Okuno 1993)
se-6(t)            photosensitivity-6 (W1623) (Tsai 1995)
se-7(t)            photosensitivity-7 (W593) (Tsai 1995)