利用SPSS实现玉米杂交种主要农艺性状与产量的相关和通径分析

任洪雷,李春霞,龚士琛,李国良,扈光辉,王明泉,杨剑飞

Genetic Correlation and Path Analysis of Yield and Agronomic Characteristics of Maize Hybrids in SPSS Software

Honglei Ren,Chunxia Li,Shichen Gong,Guoliang Li,Guanghui Hu,Mingquan Wang,Jianfei Yang

表5 玉米材料产量与农艺性状间的通径分析

Table 5 Path analysis between yield and main agronomic characters of maize materials

性状 Character 简单相关系数 Single correlation coefficient 直接通径系数 Direct path coefficient 间接通径系数Indirect path coefficient 决策系数(R2) Decision coefficient X3 X6 X10 X12 X13 X3 0.425** 0.140 -0.018 0.062 0.150 0.091 0.099 X6 0.133 0.081 -0.031 0.006 0.027 0.050 0.015 X10 0.803** 0.262 0.033 0.002 0.452 0.055 0.352 X12 0.890** 0.529 0.040 0.004 0.224 0.093 0.662 X13 0.567** 0.283 0.045 0.014 0.051 0.174 0.241