Molecular characterization of CIMMYT maize inbred lines with genotyping-by-sequencing SNPs.

Although the heterotic patterns of all the lines based on molecular marker cluster analysis were not fully consistent with the combining ability analysis, they showed a slight trend indicating that some lines from the same heterotic group were more closely related to each other, especially in the Lowland Tropical subgroup, where most of the lines from heterotic group A clustered at the top in Fig. 6 b, while most of the lines from heterotic group B clustered at the bottom; the results of molecular marker cluster analysis were partially consistent with the heterotic group trend found in PCA.

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