Forty-five genotypic sweet corns were classified into two groups in Euclid space based on the clustering of the plant regeneration of the embryos using the analysis of principle components.

• 利用主成分坐标分析并在此基础上对不同基因型甜玉米的再生能力进行聚类，并按欧氏距离将45种不同基因型玉米划分为2个大组群。