花后增温对双季晚粳稻产量和稻米品质的影响

杨陶陶,解嘉鑫,黄山,谭雪明,潘晓华,曾勇军,石庆华,张俊,曾研华

The Impacts of Post-Anthesis Warming on Grain Yield and Quality of Late Japonica Rice in a Double Rice Cropping System

TaoTao YANG,JiaXin XIE,Shan HUANG,XueMing TAN,XiaoHua PAN,YongJun ZENG,QingHua SHI,Jun ZHANG,YanHua ZENG

表2 花后增温对产量和产量构成的影响

Table 2 Effects of post-anthesis warming on grain yield and yield components

年份 Year	处理 Treatment	产量 Grain yield (t·hm^-2)	有效穗数 Panicle number (10⁴·hm^-2)	每穗粒数 Spikelet number per panicle	结实率 Filled grain percentage (%)	千粒重 1000-grain weight (g)
2017	CK	11.19±0.39a	238.1±8.5a	263.7±11.9a	82.6±3.5b	26.9±0.2a
	PAW	10.54±0.34b	233.5±13.2a	250.2±11.1a	84.6±4.1b	26.2±0.3b
2018	CK	10.80±0.17ab	235.4±8.1a	237.6±15.7a	94.0±0.9a	26.5±0.2b
2018	PAW	10.48±0.13b	232.8±14.9a	235.6±10.7a	92.0±2.1a	26.2±0.2b
方差分析ANOVA	年份 (Y)	ns	ns	ns	**	ns
	处理 (T)	*	ns	ns	ns	**
	年份×处理 Y×T	ns	ns	ns	ns	*