Table 7.

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

Time	Variety	Temperature (°C)
		Leaf	Panicle	Leaf–panicle
24 August
10 am	Mianhui101	26.9 ± 0.7a	27.6 ± 0.7a**	–0.7b
	IR64	27.3 ± 0.7a	28.4 ± 0.1a**	–1.1a
	Quanliangyou681	27.2 ± 0.3a	27.9 ± 0.9a**	–0.7b
	SDWG005	27.5 ± 0.4a	28.1 ± 0.4a**	–0.6b
2 pm	Mianhui101	29.1 ± 0.6a	29.5 ± 0.8a**	–0.4a
	IR64	28.7 ± 0.6a	29.1 ± 0.2a**	–0.4a
	Quanliangyou681	28.8 ± 0.6a	29.1 ± 0.9a	–0.3a
	SDWG005	28.9 ± 0.6a	29.2 ± 0.7a	–0.3a
8 pm	Mianhui101	25.3 ± 0.6a	24.1 ± 0.1a**	1.2a
	IR64	25.3 ± 0.6a	24.2 ± 0.3a**	1.1a
	Quanliangyou681	25.3 ± 0.6a	24.3 ± 0.2a**	1.0a
	SDWG005	25.2 ± 0.6a	24.1 ± 0.2a**	1.1a
26 August
10 am	Mianhui101	26.1 ± 0.6a	26.9 ± 0.7a**	–0.8a
	IR64	25.8 ± 0.5a	26.8 ± 0.3a**	–0.9a
	Quanliangyou681	25.7 ± 0.6a	26.5 ± 0.7a**	–0.8a
	SDWG005	26.1 ± 0.4a	26.8 ± 0.5a**	–0.7a
2 pm	Mianhui101	26.9 ± 0.8a	27.1 ± 0.3a	–0.2a
	IR64	26.2 ± 0.9a	27.1 ± 0.2a	–0.4a
	Quanliangyou681	26.7 ± 0.5a	26.9 ± 0.7a	–0.2a
	SDWG005	26.6 ± 0.3a	27.0 ± 0.5a	–0.4a
8 pm	Mianhui101	25.7 ± 0.8a	24.5 ± 0.7a**	1.2a
	IR64	25.4 ± 0.6a	24.6 ± 0.1a**	0.8b
	Quanliangyou681	25.7 ± 0.2a	24.6 ± 0.5a**	1.1a
	SDWG005	25.5 ± 0.5a	24.5 ± 0.7a**	1.0a

** 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).