Direct heritability for TNC appeared to be large, for which single seed descent method might be better in genetic selection. 全氮含量以直接狭义遗传率为主，采用单粒选择易取得较好效果。
For the general heritability, maternal and cytoplasm heritabilities were the main components for palmitic, oleic and linolenic acids contents. 棕榈酸含量和油酸含量是以普通狭义遗传率为主。
