盐胁迫下粳稻品种南粳9108分蘖特性及其与群体生产力的关系

韦还和,葛佳琳,张徐彬,孟天瑶,陆钰,李心月,陶源,丁恩浩,陈英龙,戴其根

Tillering characteristics and its relationships with population productivity of japonica rice Nanjing 9108 under salinity stress

Huan-He WEI,Jia-Lin GE,Xu-Bin ZHANG,Tian-Yao MENG,Yu LU,Xin-Yue LI,Yuan TAO,En-Hao DING,Ying-Long CHEN,Qi-Gen DAI

表1 盐胁迫对水稻产量及其构成因素的影响

Table 1 Effects of salinity stress on rice grain yield and its components

年份 Year 处理 Treatment 穗数 Number of panicles (×104 hm-2) 每穗粒数 Spikelets per panicle 颖花量 Number of spikelets (×107 hm-2) 结实率 Percentage of filled grains (%) 千粒重 1000- grain weight (g) 实产 Actual yield (t hm-2) 成熟期 干物重 Biomass accumulation at maturity (t hm-2) 收获 指数 Harvest index 2018 对照 CK 359.5 a 133.6 a 48.0 a 90.5 a 23.9 a 9.7 a 16.6 a 0.503 c 中盐 MS 335.1 b 112.4 b 37.7 b 88.7 ab 22.7 b 7.3 b 12.0 b 0.524 b 高盐 HS 293.7 c 87.2 c 25.6 c 82.6 b 21.2 c 4.3 c 6.7 c 0.549 a 2019 对照 CK 344.3 a 135.3 a 46.6 a 91.4 a 24.2 a 9.6 a 16.2 a 0.511 c 中盐 MS 323.1 b 115.7 b 37.4 b 88.2 b 23.1 b 7.4 b 11.9 b 0.533 b 高盐 HS 277.5 c 84.9 c 23.6 c 83.5 c 21.6 c 4.1 c 6.4 c 0.553 a