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对200份玉米品种四组栽培性状的典型相关分析表明：各组性状间存在着不同显著程度的典型相关，其中的生育期性状与植株性状组间显著相关（0．05水平）的信息占两组性状间总信息的96．7％，是相关程度最高的一组性状。在0.01显著水平下，生育期性状与果穗性状是相关程度最高的一组性状（86.6％）。200份玉米品种在生育期、植株、雄穗和果穗性状上，其典型遗传力存在不同程度的差异。
Canonical correlation analysis of four cultivars traits in 200 maize cultivars showed that there was a significant correlation between the traits in different traits. The correlation between fertility traits and plant traits (0.05 level) accounted for two 96.7% of the total information of group traits is the most relevant group of traits. At the significant level of 0.01, the traits related to ear and ear were the most relevant trait (86.6%). The typical heritability of 200 maize cultivars in different growth stages, plant, tassel and ear characteristics were different.