藜麦主要农艺性状与单株产量的相关和通径分析
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王艳青,李勇军,李春花,卢文洁,孙道旺,尹桂芳,洪波,王莉花
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Correlation and Path Analysis of the Main Agronomic Traits and Yield per Plant of Quinoa
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Yanqing Wang,Yongjun Li,Chunhua Li,Wenjie Lu,Daowang Sun,Guifang Yin,Bo Hong,Lihua Wang
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表4 藜麦单株产量和7个农艺性状的多元线性回归分析系数
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Table 4 Coefficient of multivariate linear regression analysis for yield per plant and 7 agronomic traits in quinoa
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| 模型 Model | 非标准化系数Non-standardized coefficient | 标准系数
Standard coefficient | t | Sig. | | B | 标准误差Standard error | | 1 | 常量Constant | 0.126 | 153.087 | - | 0.001 | 0.999 | | 生育期Growth period (X1) | -1.172 | 1.409 | -0.071 | -0.832 | 0.408 | | 株高Plant height (X2) | 1.339 | 0.236 | 0.727 | 5.681 | 0.000 | | 茎粗Stem diameter (X3) | 3.373 | 1.413 | 0.217 | 2.388 | 0.019 | | 主茎分枝数Main stem branching number (X4) | -0.706 | 0.931 | -0.086 | -0.758 | 0.451 | | 主花序长Main inflorescence length (X5) | -0.644 | 0.515 | -0.112 | -1.250 | 0.215 | | 主花序分枝数Main inflorescence branching number (X6) | -0.739 | 1.147 | -0.060 | -0.644 | 0.521 | | 千粒重1000-grain weight (X7) | 9.262 | 8.313 | 0.093 | 1.114 | 0.268 |
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