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采用3次重复的随机区组设计，研究了23个早批品种的11个茎叶性状的遗传参数，分析并比较了各性状的遗传进度、相关遗传进度，并估算了遗传相关信息与遗传相关贡献。上述研究结果揭示，基却节间的选择潜势较大，可作为早批品种株高综合选择的主要性状。
Three replicates of randomized block design were used to study the genetic parameters of 11 stem-leaf traits in 23 early batch cultivars. The genetic progress of each trait and the related genetic progress were analyzed and compared. Genetic correlations were also estimated contribution. The results of the above study revealed that the selection potential of basal butternodes was relatively large and could be used as the main trait for the comprehensive selection of plant height.