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
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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
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Tillering characteristics and its relationships with population productivity of japonica rice Nanjing 9108 under salinity stress
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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
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表1 盐胁迫对水稻产量及其构成因素的影响
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Table 1 Effects of salinity stress on rice grain yield and its components
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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 |
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