性状的遗传力和表型发生率对遗传力估计及个体育种值预测的效果均有直接影响；
The accuracy of estimation of heritability depended on the true heritability and incidence of the trait directly.
广义遗传力以烘干率、绿叶数和蔓长较高，而鲜薯重、大中薯重和薯干重的广义遗传力较低。
The heritability of dry matter content, number of green leaves and length of vine was higher, weight of fresh tuber, weight of marketable tuber and weight of dry tuber have lower heritability.
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