Table 6.

Leaf and panicle temperatures at 10 am, 2 pm and 8 pm during flowering under LHS.

Time	Variety	Temperature (°C)
		Leaf	Panicle	Leaf–panicle
6 August
10 am	Mianhui101	31.5 ± 0.9a	32.8 ± 0.5a**	–1.3a
	IR64	31.4 ± 0.3a	32.5 ± 0.1a**	–1.1a
	Quanliangyou681	31.3 ± 0.4a	32.0 ± 0.4b**	–0.7b
	SDWG005	31.2 ± 0.9a	31.9 ± 0.8b**	–0.8b
2 pm	Mianhui101	31.8 ± 0.1a	33.2 ± 0.5a**	–1.6a
	IR64	31.7 ± 0.2a	32.8 ± 0.4a**	–1.1b
	Quanliangyou681	31.3 ± 0.7b	32.1 ± 0.5b**	–0.8c
	SDWG005	31.2 ± 0.1b	32.1 ± 0.7b**	–0.9c
8 pm	IR64	27.8 ± 0.1a	27.7 ± 0.3a	0.1b
	Mianhui101	28.2 ± 0.4a	27.9 ± 0.8a	0.3a
	Quanliangyou681	28.3 ± 0.4a	27.9 ± 0.4a	0.4a
	SDWG005	27.8 ± 0.7a	27.6 ± 0.9a	0.2a
8 August
10 am	Mianhui101	31.5 ± 0.8a	32.4 ± 0.7a**	–0.8a
	IR64	31.3 ± 0.6a	32.2 ± 0.6a**	–0.7a
	Quanliangyou681	30.8 ± 0.9b	31.4 ± 0.6b**	–0.5b
	SDWG005	30.9 ± 0.4b	31.6 ± 0.6b**	–0.6b
2 pm	Mianhui101	33.5 ± 0.4a	33.7 ± 0.4a**	–0.2c
	IR64	32.6 ± 0.3b	33.1 ± 0.6b**	–0.5b
	Quanliangyou681	31.6 ± 0.4c	32.8 ± 0.6c**	–1.1a
	SDWG005	31.8 ± 0.8c	32.9 ± 0.5c**	–1.1a
8 pm	Mianhui101	25.7 ± 0.3a	25.6 ± 0.2a	0.1a
	IR64	25.5 ± 0.2a	25.4 ± 0.2a	0.1a
	Quanliangyou681	25.8 ± 0.1a	25.6 ± 0.2a	0.2a
	SDWG005	25.5 ± 0.3a	25.4 ± 0.3a	0.2a
9 August
10 am	Mianhui101	31.5 ± 0.8a	32.4 ± 0.7a**	–0.8a
	IR64	31.3 ± 0.6a	32.2 ± 0.6a**	–0.7a
	Quanliangyou681	30.8 ± 0.9b	31.4 ± 0.6b**	–0.5b
	SDWG005	30.9 ± 0.4b	31.6 ± 0.6b**	–0.6b
2 pm	Mianhui101	33.5 ± 0.4a	33.7 ± 0.4a**	–0.2c
	IR64	32.6 ± 0.3b	33.1 ± 0.6b**	–0.5b
	Quanliangyou681	31.6 ± 0.4c	32.8 ± 0.6c**	–1.1a
	SDWG005	31.8 ± 0.8c	32.9 ± 0.5c**	–1.1a
8 pm	Mianhui101	25.7 ± 0.3a	25.6 ± 0.2a	0.1a
	IR64	25.5 ± 0.2a	25.4 ± 0.2a	0.1a
	Quanliangyou681	25.8 ± 0.1a	25.6 ± 0.2a	0.2a
	SDWG005	25.5 ± 0.3a	25.4 ± 0.3a	0.2a

** and * indicate significant differences at P<0.01 and P<0.05, respectively, between panicle and leaf temperatures within a variety.

Different lowercase letters indicate significant differences between varieties at the P<0.05 level using Tukey’s test (n=20).