不同灌溉方式对南方优质食味晚籼稻产量及品质的影响

熊若愚,解嘉鑫,谭雪明,杨陶陶,潘晓华,曾勇军,石庆华,张俊,才硕,曾研华

Effects of Irrigation Management on Grain Yield and Quality of High-Quality Eating Late-Season Indica Rice in South China

XIONG RuoYu,XIE JiaXin,TAN XueMing,YANG TaoTao,PAN XiaoHua,ZENG YongJun,SHI QingHua,ZHANG Jun,CAI Shuo,ZENG YanHua

表2 不同灌溉方式下优质食味晚籼稻品种产量及产量构成

Table 2 Yield and its components under different irrigation managements in high quality eating late-season indica rice

年份 Year 品种 Cultivar 灌溉方式 Irrigation management 有效穗数 Effective panicle (×104 hm-2) 每穗粒数 Spikelets per panicle 结实率 Grain filling (%) 千粒重 1000-grain weight (g) 产量 Yield (t·hm-2) 2018 荣优华占 RYHZ CK 314.1±2.6a 123.4±2.8b 86.3±1.1a 27.4±1.2a 10.0±0.4b CFI 316.5±1.9a 150.6±3.0a 82.6±0.7b 25.4±0.5b 10.6±0.3ab AWD 304.1±3.0b 147.6±8.7a 87.8±0.5a 26.7±0.3ab 10.8±0.3a 泰优871 TY 871 CK 336.0±3.1a 123.3±4.1b 84.3±6.0ab 27.6±1.7a 9.1±0.5a CFI 339.7±5.5a 145.8±8.2a 80.3±0.7b 26.1±0.7a 9.8±0.5a AWD 325.0±3.5b 131.6±2.5b 89.9±1.0a 27.2±0.6a 9.9±0.4a 2019 荣优华占 RYHZ CK 321.4±6.1a 131.6±9.1a 90.3±4.0a 26.9±0.6a 9.8±0.5a CFI 330.6±6.4a 142.9±3.0a 84.9±3.4a 26.8±0.2a 10.2±0.5a AWD 311.0±3.3b 139.8±8.6a 91.4±0.8a 26.8±0.2a 10.1±0.6a 泰优871 TY 871 CK 308.6±10.1ab 135.4±3.0b 88.7±3.9ab 26.0±0.5a 9.2±0.9a CFI 314.8±2.1a 159.1±8.1a 85.4±0.4b 25.6±0.1a 9.8±0.1a AWD 302.6±4.7b 138.6±4.8b 91.7±1.1a 25.7±0.1a 9.3±0.3a F值 F value 年份 Year (Y) 24.928** 7932.935** 3.097 4927.965** 3.800 品种 Cultivar (C) 9.266** 10.293** 42.462** 4.205 18.811** 灌溉方式 Irrigation management (IM) 36.111** 33.584** 22.500** 8.151** 5.487* 年份×品种 Y×C 134.710** 5.614* 38.873** 3.198 0.644 年份×灌溉方式 Y×IM 0.845 34.939** 0.283 12.166** 1.112 品种×灌溉方式 C×IM 0.131 3.654* 1.161 2.598 0.167 年份×品种×灌溉方式 Y×C×IM 0.531 3.559* 0.655 2.421 0.061