Table 6.

Yield among different temperature treatments (compared with CK) of the same variety after harvest.

Variety	Treatment	1000−Grain Weight (g)	Yield per Plant (g)	Yield per Plant Yield Reduction Rate (%)	Upper Spikelets Yield (g)	Middle Spikelets Yield (g)	Lower Spikelets Yield (g)	Upper Spikelets Yield Reduction Rate (%)	Middle Spikelets Yield Reduction Rate (%)	Lower Spikelets Yield Reduction Rate (%)
YN19	72 h −2 °C	35.16 ± 0.30 h	0.05 ± 0.08 h	99.53	0.00 ± 0.00 f	0.05 ± 0.04 i	0.07 ± 0.08 fg	100.00	94.10	84.00
	72 h 0 °C	35.97 ± 0.64 g	0.07 ± 0.13 h	99.44	0.00 ± 0.00 f	0.14 ± 0.02 h	0.00 ± 0.00 g	100.00	82.77	100.00
	72 h 2 °C	36.01 ± 0.00 g	0.20 ± 0.09 h	98.22	0.00 ± 0.00 f	0.15 ± 0.05 h	0.00 ± 0.00 g	100.00	81.88	100.00
	48 h −2 °C	39.60 ± 0.15 f	0.45 ± 0.12 gh	92.54	0.00 ± 0.00 f	0.31 ± 0.1 g	0.05 ± 0.04 fg	100.00	63.00	88.14
	48 h 0 °C	43.42 ± 0.15 e	0.41 ± 0.03 gh	90.59	0.03 ± 0.02 def	0.32 ± 0.02 fg	0.07 ± 0.07 fg	95.70	61.51	83.78
	48 h 2 °C	45.00 ± 0.01 c	1.08 ± 0.22 def	80.50	0.06 ± 0.04 d	0.45 ± 0.05 d	0.11 ± 0.11 ef	89.61	46.09	75.42
	24 h −2 °C	45.52 ± 0.30 b	1.15 ± 0.50 def	84.13	0.06 ± 0.04 de	0.41 ± 0.03 def	0.21 ± 0.07 cd	90.99	50.93	52.34
	24 h 0 °C	46.99 ± 0.01 a	1.43 ± 0.39 cd	66.47	0.12 ± 0.06 c	0.56 ± 0.06 c	0.26 ± 0.07 bc	79.85	32.45	40.11
	24 h 2 °C	47.05 ± 0.06 a	1.79 ± 0.10 c	60.48	0.11 ± 0.04 c	0.58 ± 0.04 c	0.31 ± 0.06 b	81.38	30.12	29.33
	ck	43.94 ± 0.09 d	6.79 ± 0.33 a		0.61 ± 0.03 b	0.83 ± 0.05 b	0.44 ± 0.08 a
XM26	72 h −2 °C	41.41 ± 0.58 h	0.05 ± 0.09 h	99.59	0.00 ± 0.00 f	0.12 ± 0.03 hi	0.00 ± 0.00 g	100.00	86.40	100.00
	72 h 0 °C	43.00 ± 0.00 f	0.05 ± 0.09 h	99.43	0.00 ± 0.00 f	0.17 ± 0.04 h	0.00 ± 0.00 g	100.00	81.17	100.00
	72 h 2 °C	42.00 ± 0.06 g	0.17 ± 0.147 h	98.89	0.00 ± 0.00 f	0.17 ± 0.04 h	0.00 ± 0.00 g	100.00	81.61	100.00
	48 h −2 °C	42.70 ± 0.46 f	0.34 ± 0.32 gh	97.75	0.01 ± 0.02 ef	0.31 ± 0.14 g	0.03 ± 0.06 g	98.74	66.35	94.51
	48 h 0 °C	43.42 ± 0.15 e	0.70 ± 0.39 fg	92.99	0.04 ± 0.03 def	0.34 ± 0.32 efg	0.05 ± 0.04 fg	94.86	62.92	88.82
	48 h 2 °C	44.63 ± 0.12 c	0.96 ± 0.56 def	87.66	0.05 ± 0.03 def	0.45 ± 0.06 d	0.13 ± 0.04 ef	92.07	51.14	73.20
	24 h −2 °C	43.63 ± 0.00 e	0.39 ± 0.35 gh	92.88	0.03 ± 0.03 def	0.39 ± 0.05 defg	0.12 ± 0.05 ef	96.13	57.01	73.80
	24 h 0 °C	44.22 ± 0.00 d	0.76 ± 0.07 efg	88.50	0.12 ± 0.05 c	0.42 ± 0.05 de	0.16 ± 0.04 de	82.98	53.53	65.86
	24 h 2 °C	45.73 ± 0.01 b	1.23 ± 0.23 de	79.67	0.06 ± 0.02 d	0.45 ± 0.09 d	0.17 ± 0.06 de	90.52	50.94	62.73
	ck	47.58 ± 0.11 a	5.75 ± 0.07 b		0.68 ± 0.06 a	0.91 ± 0.05 a	0.45 ± 0.09 a

Note: Data represent means ± SE (n = 3). Data represent mean ± SE (n = 3). Different letters following the data within each column mean significant difference at p ≤ 0.05.