Table 2 Average correlation (and standard deviation in parenthesis) between observed and predicted values for two Random cross-validation schemes for trait grain yield (YLD) in five sites in Mexico; L = line, E = site, G = genotypic information, A = pedigree, W = environmental variables, and interactions.

From: Genomic prediction models for grain yield of spring bread wheat in diverse agro-ecological zones

Site

Genomic model

L+E+W

E+W+G

E+W+G+GE

E+W+A

E+W+A+AE

E+W+G+A

E+W+G+A+GE+AE

CV1

 Celaya

−0.062

0.369

0.364

0.429

0.427

0.432

0.419

(0.043)

(0.012)

(0.013)

(0.009)

(0.010)

(0.010)

(0.011)

 Delicias

−0.065

0.130

0.131

0.190

0.189

0.189

0.199

(0.035)

(0.011)

(0.023)

(0.010)

(0.017)

(0.009)

(0.019)

 Tepatitlán

−0.046

0.260

0.291

0.299

0.258

0.319

0.311

(0.044)

(0.008)

(0.012)

(0.007)

(0.015)

(0.007)

(0.014)

 Cd. Obregón

−0.060

0.444

0.481

0.523

0.571

0.538

0.581

(0.040)

(0.012)

(0.010)

(0.009)

(0.010)

(0.009)

(0.010)

 Zaragoza

−0.020

0.198

0.228

0.221

0.209

0.238

0.252

(0.035)

(0.009)

(0.015)

(0.009)

(0.018)

(0.007)

(0.016)

CV2

 Celaya

0.397

0.461

0.433

0.491

0.478

0.484

0.466

(0.004)

(0.004)

(0.009)

(0.005)

(0.008)

(0.004)

(0.008)

 Delicias

0.221

0.218

0.214

0.244

0.248

0.241

0.249

(0.003)

(0.004)

(0.018)

(0.005)

(0.015)

(0.004)

(0.018)

 Tepatitlán

0.324

0.352

0.384

0.350

0.318

0.364

0.367

(0.003)

(0.005)

(0.010)

(0.005)

(0.013)

(0.004)

(0.012)

 Cd. Obregón

0.423

0.517

0.536

0.563

0.604

0.558

0.613

(0.007)

(0.007)

(0.009)

(0.006)

(0.006)

(0.006)

(0.006)

 Zaragoza

0.270

0.279

0.303

0.271

0.267

0.286

0.282

(0.001)

(0.004)

(0.007)

(0.004)

(0.008)

(0.003)

(0.008)

  1. Cross-Validation CV1: predictions when a proportion of lines are not included in any of the 5 sites; Cross-Validation CV2: predictions when a proportion of lines are removed from some of the sites and left in others.