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9 水稻干物质积累量及收获指数的方差分析
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Table 9 Analysis of variance for dry matter accumulation and harvest index of 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 | 拔节期干物质量 Dry matter at elongation
| 栽培模式CM | 26 | 26.54 | 1.02 | 66.23 | < 0.01 | 误差Residual | 52 | 0.80 | 0.02 | | | 总变异Total | 80 | 27.64 | | | | 抽穗期干物质量 Dry matter at heading
| 栽培模式CM | 26 | 170.36 | 6.55 | 111.45 | < 0.01 | 误差Residual | 52 | 3.06 | 0.06 | | | 总变异Total | 80 | 175.72 | | | | 成熟期干物质量 Dry matter at maturity
| 栽培模式CM | 26 | 454.03 | 17.46 | 60.68 | < 0.01 | 误差Residual | 52 | 14.96 | 0.29 | | | 总变异Total | 80 | 484.13 | | | | 收获指数 Harvest index
| 栽培模式CM | 26 | 0.15 | 0.01 | 23.55 | < 0.01 | 误差Residual | 52 | 0.01 | 0 | | | 总变异Total | 80 | 0.16 | | | |
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