The genetic covariance between genetic effect components of quality traits and agronomy traits was not significant but that between quality and other plant traits was complicated.

• 虽然控制品质性状的主要遗传效应分量与农艺性状相应遗传效应分量遗传协方差不显著，但在其他相应遗传效应分量方面存在着复杂的关系。