藜麦主要农艺性状与单株产量的相关和通径分析

王艳青,李勇军,李春花,卢文洁,孙道旺,尹桂芳,洪波,王莉花

Correlation and Path Analysis of the Main Agronomic Traits and Yield per Plant of Quinoa

Yanqing Wang,Yongjun Li,Chunhua Li,Wenjie Lu,Daowang Sun,Guifang Yin,Bo Hong,Lihua Wang

表7 藜麦单株产量的通径分析

Table 7 Path analysis of yield per plant in quinoa

性状 Trait 相关系数 Correlation coefficient 直接通径系数 Direct path coefficient 间接通径系数Indirect path coefficient X1→Y X2→Y X3→Y X4→Y X5→Y X6→Y X7→Y 合计Total 生育期(X1) Growth period -0.018 -0.071 - 0.105 -0.013 -0.010 0.006 -0.003 -0.032 0.053 株高(X2) Plant height 0.670 0.727 -0.010 - 0.109 -0.062 -0.054 -0.032 -0.008 -0.057 茎粗(X3) Stem diameter 0.493 0.217 0.004 0.366 - -0.037 -0.034 -0.019 -0.003 0.277 主茎分枝数(X4) Main stem branching number 0.451 -0.086 -0.008 0.521 0.092 - -0.040 -0.029 0.001 0.537 主花序长(X5) Main inflorescence length 0.250 -0.112 0.004 0.352 0.067 -0.031 - -0.019 -0.010 0.363 主花序分枝数(X6) Main inflorescence branching number 0.314 -0.060 -0.004 0.386 0.069 -0.042 -0.036 - 0.001 0.374 千粒重(X7) 1000-grain weight 0.059 0.093 0.024 -0.063 -0.007 -0.001 0.013 0.001 - -0.033