茄子主要农艺性状的相关与通径分析

选用12个茄子品种研究了11个农艺性状的相关和产量的通径分析。相关分析表明，结果数与产量呈极显著相关，相关系数r8y=0.8027，前期产量与产量呈显著相关，r9y=0.6376；通径分析表明，结果数和单果重两个性状对产量的直接作用最大，早期产量通过单果重对产量的间接作用也很大，这三个性状对产量的决定系数总和达0.9981，因此可以作为茄子高产育种的主要选择性状。

Correlation and Path Analysis of the Agronomic Traits of Eggplant

The correlation and path analysis of 11 characters were studied with 12 cultivars of eggplant. The correlation coefficient between yield and the number of fruits was very significant, r8y=0.8027. The correlation coefficient between yield and the yield of earlier stage was significant, r9y=0.6376. The results on path analysis showed that the yield was affected mostly by two agronomic traits, the number of fruits and average fruit mass. The yield was affected largely by the yield of earlier stage through average fruit mass. Therefore, these three characters could be taken as selection characters for high yield.