抽穗期高温胁迫对不同水稻品种产量构成和品质的影响

季平, 刘金龙, 柳浩, 匡佳丽, 叶世河, 龙莎, 杨洪涛, 彭勃, 徐晨, 刘晓龙

Effects of Heat Stress on Yield Components and Quality in Different Rice Varieties during Heading Stage

Ji Ping, Liu Jinlong, Liu Hao, Kuang Jiali, Ye Shihe, Long Sha, Yang Hongtao, Peng Bo, Xu Chen, Liu Xiaolong

表3 抽穗期高温胁迫对不同水稻品种稻米外观和加工品质的影响

Table 3 Effects of heat stress on appearance and milling quality in rice grain of different rice varieties during heading stage %

品种 Variety	糙米率 Brown rice rate		精米率 Milled rice rate		整精米率 Head rice rate		垩白粒率 Chalky kernel rate		垩白度 Chalkiness
品种 Variety	对照CK	高温HS	对照CK	高温HS	对照CK	高温HS	对照CK	高温HS	对照CK	高温HS
C1	77.88±3.66	71.47±3.49^*	72.37±2.31	67.62±2.35^**	68.13±5.55	62.63±2.18^*	8.48±1.25	10.37±0.63^**	3.78±0.56	4.80±0.51^**
C2	74.35±3.34	64.02±2.63^**	64.33±3.07	57.50±3.08^**	57.82±3.02	51.90±1.19^**	14.87±1.79	18.20±1.32^**	5.10±0.63	6.47±0.22^**
C3	78.98±3.28	70.98±2.69^**	71.20±2.95	63.07±1.75^**	63.95±1.98	56.35±2.16^**	12.38±2.00	15.87±0.48^**	4.03±0.61	5.32±0.23^**
C4	72.08±1.16	62.35±1.79^**	66.47±3.36	58.62±2.04^**	58.80±1.96	52.05±1.71^**	15.90±1.60	20.78±1.24^**	5.82±0.52	7.80±0.33^**
C5	70.78±3.99	65.23±2.92^*	70.68±3.10	64.20±1.48^**	64.63±2.99	59.75±3.39^*	13.18±2.04	16.28±0.99^**	5.15±1.10	6.20±0.44^*
C6	71.12±3.88	64.80±4.00^*	69.65±4.94	63.12±1.48^*	65.30±2.89	58.85±1.80^**	10.47±1.07	13.03±0.54^**	4.17±0.77	5.03±0.22^*
C7	76.10±4.18	69.95±3.08^*	68.33±5.50	62.70±2.70^*	59.28±5.83	54.30±1.51	17.72±1.86	21.05±1.26^**	8.02±0.79	9.22±0.46^**
C8	78.57±3.37	71.27±1.90^**	69.78±5.07	63.78±1.99^*	62.57±1.94	56.50±1.76^**	17.92±1.68	24.73±1.43^**	8.08±0.39	10.87±0.56^**