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本文对吉林省14个粳稻品种的6个数量性状进行相关遗传力分析。结果表明:在选择强度相同时,各种间接选择的效率比对单株粒重的直接选择的效率要低。相关遗传力的通径分析表明:构成产量三要素中,当其它两要素保持相对稳定的情况下,应着重提高每穗粒数的选择效果最大。
In this paper, six quantitative traits of 14 japonica rice varieties in Jilin Province were analyzed for heritability. The results showed that the efficiency of various indirect selection was lower than that of direct selection of grain weight at the same selection intensity. Path analysis of heritability showed that among the three factors that constitute the yield, the other two factors should be kept relatively stable, and the effect of increasing the number of grains per panicle should be emphasized.