We found the essence of path analysis of selection index is analysis of correlative heritability between traits and aggregate genotype.
通过分析得出选择指数的通径分析的实质是选择性状与复合育种值的相关遗传力分解。
We obtained the formula of hybrid synthetic index combining genetic distance with heritability.
结合遗传距离和遗传力，求出了杂交综合指数公式。
Broad heritability of index of plant shape was low both during autumn breeding and during spring breeding.
株型指数在秋、春季的广义遗传力均较低。
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