Molecular variance (AMOVA) analysis indicated that a high proportion of the totalgeneticvariance was attributable to variations within populations (76.45%).
AMOVA分子方差分析结果表明中国玉米螟的遗传分化主要来自种群内部（76.45%）。
2
The genetic constitution of sister line and sister species made up the smaller proportion of the total crosses variance, but it had larger differences among the ear characters.