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13 水稻干物质分配的方差分析
Table 13 Analysis of variance for dry matter allocation 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
F-value
显著性
Significance
茎鞘干物质分配量
Dry matter allocation in stem and sheath
栽培模式CM 26 52.70 2.03 14.03 < 0.01
误差Residual 52 7.51 0.14
总变异Total 80 61.20
叶片干物质分配量
Dry matter allocation in leaf
栽培模式CM 26 69.44 2.67 173.65 < 0.01
误差Residual 52 0.80 0.02
总变异Total 80 70.56
穗部干物质分配量
Dry matter allocation in panicle
栽培模式CM 26 130.98 5.04 13.34 < 0.01
误差Residual 52 19.63 0.38
总变异Total 80 158.31
茎鞘干物质分配比例
Dry matter allocation rate in stem and sheath
栽培模式CM 26 284.86 10.96 2.67 < 0.01
误差Residual 52 213.76 4.11
总变异Total 80 520.57
叶片干物质分配比例
Dry matter allocation rate in leaf
栽培模式CM 26 779.72 29.99 59.74 < 0.01
误差Residual 52 26.10 0.5
总变异Total 80 805.86
穗部干物质分配比例
Dry matter allocation rate in panicle
栽培模式CM 26 1482.41 57.02 11.34 < 0.01
误差Residual 52 261.48 5.03
总变异Total 80 1767.02