控水增密模式对杂交籼稻减氮后产量形成的调控效应
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李敏, 罗德强, 江学海, 蒋明金, 姬广梅, 李立江, 周维佳
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Regulations of controlled irrigations and increased densities on yield formation of hybrid indica rice under nitrogen-reduction conditions
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Min LI, De-Qiang LUO, Xue-Hai JIANG, Ming-Jin JIANG, Guang-Mei JI, Li-Jiang LI, Wei-Jia ZHOU
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表5 水稻分蘖性状的方差分析
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Table 5 Analysis of variance for tillering traits in rice
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性状 Trait | 变异来源 Source of variation | 自由度 df | 平方和 Sum of square | 均方 Mean squares | F值 F-value | 显著性 Significance | 拔节期茎蘖数 Tillers at elongation | 栽培模式CM | 26 | 166,840.3 | 6416.94 | 64.03 | < 0.01 | 误差Residual | 52 | 5211.16 | 100.21 | | | 总变异Total | 80 | 176,864.6 | | | | 抽穗期茎蘖数 Tillers at heading | 栽培模式CM | 26 | 73,586.9 | 2830.3 | 20.38 | < 0.01 | 误差Residual | 52 | 7497.9 | 138.8 | | | 总变异Total | 80 | 81,084.7 | | | | 成熟期茎蘖数 Tillers at maturity | 栽培模式CM | 26 | 64,855.2 | 2494.4 | 13.61 | < 0.01 | 误差Residual | 54 | 9896.2 | 183.3 | | | 总变异Total | 80 | 74,751.4 | | | | 成穗率 Percentage of productive tillers | 栽培模式CM | 26 | 370.87 | 14.26 | 1.01 | ns | 误差Residual | 52 | 730.94 | 14.06 | | | 总变异Total | 80 | 1141.71 | | | |
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