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4 不同灌溉方式下优质食味晚籼稻品种外观品质变化

Table 4 Changes on grain appearance quality under different irrigation managements in high quality eating late-season indica rice

年份 Year 品种 Cultivar 灌溉方式 Irrigation management 垩白率 Chalky rate (%) 垩白度 Chalky degree (%) 2018 荣优华占 RYHZ CK 20.6±0.2a 6.9±0.1a CFI 14.8±0.6b 5.2±0.4b AWD 19.8±1.0a 6.5±0.8ab 泰优871 TY 871 CK 13.5±0.3a 4.4±0.3ab CFI 11.4±0.1b 4.0±0.2b AWD 14.7±0.9a 4.6±0.1a 2019 荣优华占 RYHZ CK 22.5±0.5a 5.7±0.1a CFI 16.4±0.5c 4.0±0.3b AWD 21.0±0.7b 5.3±0.6a 泰优871 TY 871 CK 14.7±0.5a 3.1±0.1ab CFI 12.7±0.4b 2.8±0.2b AWD 15.0±0.4a 3.3±0.2a F值 F value 年份 Year (Y) 40.214** 108.083** 品种 Cultivar (C) 784.296** 260.340** 灌溉方式 Irrigation management (IM) 174.669** 29.693** 年份×品种 Y×C 2.806 0.039 年份×灌溉方式 Y×IM 1.646 0.023 品种×灌溉方式 C×IM 32.685** 10.736** 年份×品种×灌溉方式 Y×C×IM 0.078 0.010