控水增密模式对杂交籼稻减氮后产量形成的调控效应
|
李敏, 罗德强, 江学海, 蒋明金, 姬广梅, 李立江, 周维佳
|
Regulations of controlled irrigations and increased densities on yield formation of hybrid indica rice under nitrogen-reduction conditions
|
Min LI, De-Qiang LUO, Xue-Hai JIANG, Ming-Jin JIANG, Guang-Mei JI, Li-Jiang LI, Wei-Jia ZHOU
|
|
表2 水稻产量性状的方差分析
|
Table 2 Analysis of variance for yield traits in rice
|
|
| 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-test | 显著性 Significance | 2017 | 有效穗数 Effective panicle number | 栽培模式CM | 26 | 64,855.21 | 2494.43 | 28.02 | < 0.01 | | 误差Residual | 52 | 4628.72 | 89.01 | | | | | 总变异Total | 80 | 74,751.38 | | | | | 穗粒数 Spikelets per panicle | 栽培模式CM | 26 | 5941.52 | 228.52 | 24.32 | < 0.01 | | 误差Residual | 52 | 488.6 | 9.4 | | | | 总变异Total | 80 | 6738.84 | | | | | 结实率 Seed-setting rate | 栽培模式CM | 26 | 1596.92 | 61.42 | 65.32 | < 0.01 | | 误差Residual | 52 | 48.9 | 0.94 | | | | 总变异Total | 80 | 1669.74 | | | | | 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-test | 显著性 Significance | | 千粒重 1000-grain weight | 栽培模式CM | 26 | 16.02 | 0.62 | 37.94 | < 0.01 | | 误差Residual | 52 | 0.84 | 0.02 | | | | 总变异Total | 80 | 17.14 | | | | | 产量 Grain yield | 栽培模式CM | 26 | 116.92 | 4.5 | 83.38 | < 0.01 | | 误差Residual | 52 | 2.8 | 0.05 | | | | | 总变异Total | 80 | 122.7 | | | | 2018 | 有效穗数 Effective panicle number | 栽培模式CM | 26 | 46,008.26 | 1769.55 | 25.58 | < 0.01 | | 误差Residual | 52 | 3597.48 | 69.18 | | | | | 总变异Total | 80 | 51,346.7 | | | | | 穗粒数 Spikelets per panicle | 栽培模式CM | 26 | 4424.28 | 170.16 | 6.54 | < 0.01 | | 误差Residual | 52 | 1353.34 | 26.03 | | | | 总变异Total | 80 | 5974.32 | | | | | 结实率 Seed-setting rate | 栽培模式CM | 26 | 1339.77 | 51.53 | 36.97 | < 0.01 | | 误差Residual | 52 | 72.47 | 1.39 | | | | 总变异Total | 80 | 1482.09 | | | | | 千粒重 1000-grain weight | 栽培模式CM | 26 | 13.66 | 0.53 | 17.85 | < 0.01 | | 误差Residual | 52 | 1.53 | 0.03 | | | | 总变异Total | 80 | 15.7 | | | | | 产量 | 栽培模式CM | 26 | 91.41 | 3.52 | 19.77 | < 0.01 | | Grain yield | 误差Residual | 52 | 9.25 | 0.18 | | | | | 总变异Total | 80 | 102.23 | | | |
|
|
|