Characteristics of Fertility Transition Response to the Cumulative Effective Low Temperature in a Two-Line Male Sterile Rice Cultivar

Rice

Table 4 PFPs (%) of H93S and PA64S with different treatment days and different T_Δ values under a 13.5 h photoperiod

Treatment days (d)	T_Δ = 3.0 °C		T_Δ = 2.5 °C		T_Δ = 2.0 °C		T_Δ = 1.5 °C		T_Δ = 1.0 °C		T_Δ = 0 °C (CK)
Treatment days (d)	H93S T_d = 20.0 °C	PA64S T_d = 21.0 °C	H93S T_d = 20.5 °C	PA64S T_d = 21.5 °C	H93S T_d = 21.0 °C	PA64S T_d = 22.0 °C	H93S T_d = 21.5 °C	PA64S T_d = 22.5 °C	H93S T_d = 22.0 °C	PA64S T_d = 23.0 °C	H93S T_d = 23.0 °C	PA64S T_d = 24.0 °C
4	0	0	0	0	0	0	0	0	0	0	0	0
5	1.25 ± 0.27	8.68 ± 1.05	0	6.61 ± 1.08	0	2.81 ± 0.43	0	1.62 ± 0.40	0	0	0	0
6	6.37 ± 0.54	17.03 ± 1.62	5.80 ± 1.22	10.08 ± 1.31	4.50 ± 0.46	7.54 ± 0.95	3.25 ± 0.65	4.60 ± 0.88	0	2.11 ± 0.95	0	0
7	44.30 ± 0.72	51.22 ± 4.46	29.24 ± 0.84	42.11 ± 2.73	24.03 ± 0.60	35.11 ± 1.99	16.86 ± 1.36	25.82 ± 4.20	8.79 ± 0.90	5.63 ± 2.10	0	0

T_Δ is the value of the ELT (see Table 2); T_d is the value of DAT, and T_d = T_c-T_Δ. All the data are expressed as the means ± the standard errors