加性方差在表型方差中所占的百分比。
穗行数和株高的狭义遗传力超过了50%。
Narrow heritabilities of rows per ear and plant height are higer than 50%.
秆长的表现型值及其CRI值受少数主效基因控制，具有较高的狭义遗传力。
Culm length and its CRI were affected by a few major genes, and these traits had high narrow-sense heritability.
氮胁迫可以影响根系的遗传，表现为根系性状的广义遗传力下降，狭义遗传力上升。
N stress exerted an influence on the genetic ability of root traits, with decreasing of broad genetic ability and increasing of narrow genetic ability.
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