沿江双季稻北缘区机插早稻的超高产群体特征
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朱铁忠,柯健,姚波,陈婷婷,何海兵,尤翠翠,朱德泉,武立权
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Super-High Yield Characteristics of Mechanically Transplanting Double- Cropping Early Rice in the Northern Margin Area of Yangtze River
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ZHU TieZhong,KE Jian,YAO Bo,CHEN TingTing,HE HaiBing,YOU CuiCui,ZHU DeQuan,WU LiQuan
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表2 不同类型水稻品种产量及构成因素
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Table 2 Grain yield and its components of different yield types of rice
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产量类型
Yield type | 品种
Variety | 实际产量
Actual yield
(t·hm-2) | 有效穗数
Panicles
(×104 hm-2) | 每穗粒数
Spikelets per panicle | 总颖花量
Total spikelets
(×106 hm-2) | 结实率
Grain filling rate (%) | 千粒重
1000-grain weight
(g) | 超高产
Super high yield | ZLY2013 | 9.5 | 369.7 | 132.9 | 486.5 | 73.2 | 26.9 | | LLY35 | 9.3 | 357.7 | 129.5 | 456.5 | 76.8 | 26.9 | | ZF203 | 9.2 | 366.0 | 128.4 | 463.9 | 79.5 | 25.5 | | ZLY829 | 9.1 | 375.0 | 122.8 | 453.5 | 77.5 | 26.6 | | 平均 Mean | 9.3±0.18a | 367.1±6.8b | 128.4±3.9a | 465.1±13.8a | 76.8±2.41a | 26.4±0.61a | 更高产
Higher yield | HYZ1 | 8.6 | 359.7 | 119.3 | 423.0 | 79.6 | 25.1 | | LLY942 | 8.3 | 388.3 | 110.7 | 425.6 | 78.1 | 25.0 | | ZJZ17 | 8.1 | 373.5 | 114.1 | 421.0 | 76.3 | 25.8 | | 平均 Mean | 8.3±0.23b | 375.6±13.8ab | 113.7±5.0b | 422.0±6.7b | 77.7±1.69a | 25.3±0.37b | 高产
High yield | XZX24 | 7.8 | 389.0 | 104.7 | 409.7 | 76.0 | 25.2 | | ZZ35 | 7.6 | 375.5 | 106.1 | 389.1 | 78.0 | 25.5 | | 平均 Mean | 7.7±0.22c | 380.5±8.3a | 105.6±1.1c | 397.0±11.9c | 77.3±0.99a | 25.4±0.73b |
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