秧龄对烟后水稻秧苗素质、产量及稻米品质的影响
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卢燕回, 宋战锋, 李虎, 刘广林, 陈传华, 罗群昌, 吴子帅
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Effects of Seedling Age on Seedling Quality, Yield and Grain Quality of Rice following Tobacco
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Lu Yanhui, Song Zhanfeng, Li Hu, Liu Guanglin, Chen Chuanhua, Luo Qunchang, Wu Zishuai
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表4 不同秧龄下各烟后优质稻品种的产量及其构成因素
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Table 4 Yield and its components of high-quality rice varieties following tobacco under different seedling ages
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品种
Variety | 秧龄
Seedling age (d) | 有效穗数
Effective panicle number (×104/hm2) | 穗粒数
Grains per panicle | 结实率
Seed-setting rate (%) | 千粒重
1000-grain weight (g) | 产量
Yield (t/hm2) | 桂香99
Guixiang 99 | 45 | 264.0±6.0c | 191.6±0.8a | 75.5±0.4b | 21.3±0.2a | 7.20±0.03d | | 40 | 269.0±4.6bc | 191.4±2.3a | 75.8±0.4b | 21.5±0.4a | 7.33±0.10c | | 35 | 276.0±10.8ab | 192.1±1.8a | 78.9±1.0a | 21.6±0.2a | 7.43±0.01b | | 30 | 277.0±4.6ab | 191.5±1.6a | 79.9±1.8a | 21.5±0.2a | 7.53±0.03a | | 25 | 280.0±6.9a | 191.8±1.9a | 80.0±0.5a | 21.3±0.2a | 7.59±0.05a | | 20 | 282.0±0.0a | 191.6±2.1a | 79.4±0.8a | 21.7±0.1a | 7.54±0.03a | 桂香18
Guixiang 18 | 45 | 262.0±1.7c | 187.5±1.4a | 78.7±1.9a | 22.0±0.4a | 6.55±0.03c | | 40 | 271.0±3.5b | 187.5±2.2a | 79.0±2.0a | 22.0±0.4a | 6.67±0.09b | | 35 | 272.0±9.2b | 188.2±1.7a | 79.4±1.0a | 21.9±0.4a | 6.72±0.15b | | 30 | 278.0±6.2ab | 187.7±1.5a | 80.5±1.8a | 22.1±0.3a | 6.85±0.03a | | 25 | 279.0±5.2ab | 188.0±1.8a | 80.5±0.5a | 21.9±0.5a | 6.85±0.07a | | 20 | 282.0±0.0a | 187.8±2.1a | 79.9±0.8a | 22.0±0.5a | 6.86±0.03a | 金针香
Jinzhenxiang | 45 | 260.0±1.7c | 191.3±1.5a | 75.7±1.3c | 20.9±0.3a | 6.93±0.06c | | 40 | 268.0±3.7bc | 191.3±2.3a | 76.9±0.4c | 21.0±0.1a | 6.98±0.08c | | 35 | 270.0±9.0b | 192.0±1.8a | 80.0±1.0b | 21.0±0.3a | 7.10±0.07b | | 30 | 275.0±6.2ab | 191.4±1.6a | 81.1±1.8ab | 21.4±0.2a | 7.27±0.05a | | 25 | 276.0±5.3ab | 191.7±1.9a | 82.1±0.6a | 20.9±0.3a | 7.26±0.03a | | 20 | 281.0±3.4a | 191.5±1.2a | 80.5±0.8ab | 21.0±0.3a | 7.26±0.02a | 桂玉美香
Guiyumeixiang | 45 | 263.0±3.5c | 187.6±1.2a | 75.5±1.4c | 20.9±0.3a | 6.67±0.06c | | 40 | 267.0±6.0bc | 187.5±2.2a | 76.7±0.4c | 21.0±0.2a | 6.64±0.02c | | 35 | 275.0±7.6ab | 188.2±1.7a | 79.5±0.5b | 20.7±0.2a | 6.85±0.03b | | 30 | 275.0±4.6ab | 187.6±1.5a | 80.9±0.8ab | 20.6±0.2a | 6.98±0.05a | | 25 | 277.0±6.9a | 187.9±1.8a | 81.6±0.7a | 20.9±0.2a | 6.96±0.04a | | 20 | 281.0±1.7a | 187.4±1.5a | 81.9±0.5a | 20.8±0.3a | 6.97±0.02a | | 45 d | 262.3±3.5e | 189.5±2.3a | 76.4±1.9c | 21.3±0.5a | 6.84±0.27d | | 40 d | 268.8±4.1d | 189.4±2.8a | 77.1±1.5c | 21.4±0.5a | 6.91±0.30c | | 35 d | 273.3±8.2c | 190.1±2.5a | 79.5±0.8b | 21.3±0.6a | 7.03±0.29b | | 30 d | 276.3±4.9bc | 189.6±2.4a | 80.61.4±a | 21.4±0.6a | 7.16±0.28a | | 25 d | 278.0±5.5ab | 189.8±2.6a | 81.1±1.0a | 21.2±0.5a | 7.17±0.30a | | 20 d | 281.5±1.7a | 189.6±2.6a | 80.4±1.2a | 21.4±0.6a | 7.16±0.28a | | 秧龄Seedling age | ** | ns | ** | ns | ** |
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