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Table 2 Model performance based on coefficient of determination between individual predicted genomic breeding values and observed phenotype obtained through cross-validation using the rrBLUP and BSSV methods by phenotyping per proportion of rotten kernels (PRK) and ear rot incidence score (ERIS)

From: Genomic selection to resistance to Stenocarpella maydis in maize lines using DArTseq markers

   \( {r}_{{}_{\left({\widehat{\mathbf{y}}}_p,\kern0.5em \mathbf{y}\right)}}^2 \) (T1) \( {r}_{{}_{\left({\widehat{\mathbf{y}}}_p,\kern0.5em \mathbf{y}\right)}}^2 \) (T2) \( {r}_{{}_{\left({\widehat{\mathbf{y}}}_p,\kern0.5em \mathbf{y}\right)}}^2 \) (T3) \( {r}_{{}_{\left({\widehat{\mathbf{y}}}_p,\kern0.5em \mathbf{y}\right)}}^2 \) (T4) \( {r}_{{}_{\left({\widehat{\mathbf{y}}}_p,\kern0.5em \mathbf{y}\right)}}^2 \) (T5) Mean
PRK rrBLUP 0.544 0.594 0.497 0.621 0.587 0.569 (0.048)
BSSV 0.547 0.614 0.504 0.583 0.594 0.568 (0.043)
ERIS rrBLUP 0.265 0.257 0.197 0.245 0.241 0.241 (0.030)
BSSV 0.263 0.200 0.281 0.258 0.24 0.248 (0.035)
  1. \( {r}_{{}_{\left({\widehat{\mathbf{y}}}_p,\kern0.5em \mathbf{y}\right)}}^2 \) coefficient of determination between the predicted breeding value ŷ p and observed phenotypic values y obtained in the cross-validation; T1, T2, T3, T4 and T5 are the training populations 1, 2, 3, 4 and 5, respectively. The values between parenthesis represent the standard deviations