Responses of earliness and lateness genes for heading to different photoperiods, and specific response of a gene or a pair of genes to short day length in rice

Table 5 DTHs of T65-R, T65wx and their early and late NILs under the six environmental conditions

Line/ Variety	Spring- sowing paddy field in 2011^a	Spring-sowing paddy field in 2018^b	Summer-sowing paddy field in 2014^c	13.5-h photo-period^{d, e}	10-h photo-period^{d, f}	Natural light-type growth chamber^g
ER50	65.0 a	69.2 a	56.9 a	67.8 a	65.0 a	61.9 a
ER40	72.9 b	77.1 b	63.4 b	82.6 bc	73.2 b	67.6 b
ER20	72.9 b	78.1 b	67.8 c	70.2 a	67.3 a	60.7 a
ER1	78.5 c	81.5 c	70.3 d	85.4 c	74.3 b	69.5 b
ER21	81.3 d	83.9 d	75.1 e	77.7 b	85.3 c	80.9 c
T65-R	88.8 e	88.2 e	78.1 f	107.2 d	114.4 g	95.3 e
T65-T	93.9 f	91.0 f	77.2 f	107.2 d	95.1 f	85.4 cd
T65wx	96.1 g	92.2 f	78.4 f	113.2 e	92.1 e	86.8 d
LF3	129.3 h	143.8 g	81.4 g	137.3 g	86.8 cd	70.5 b
LF1	135.0 i	152.8 h	96.1 h	130.4 f	125.9 h	111.5 f
LF2	148.0 j	163.6 i	79.1 f	145.3 h	90.7 de	71.6 b

Values followed by the same letter within the same column are not statistically different at the 5% level, in accordance with Tukey-Kramer’s method (Sokal and Rohlf [27])
^a27 plants per line were measured
^b23 to 27 plants per line were measured
^c9 to 16 plants per line were measured
^dArtificial light-type growth chamber
^e11 to 17 plants per line were measured
^f15 to 40 plants per line were measured
^g9 to 17 plants per line were measured

ISSN: 1601-5223