TABLE 2.

Single-environment genomic best linear unbiased predictor (GBLUP, GB) and Gaussian kernel (GK) prediction accuracy (±standard deviation) for potato tuber characteristics considering pseudo-diploid (A) (model 1), additive tetrasomic polyploid (B) (model 1), full tetraploid (C) (model 1), and B-C (model 2) with 30 random partitions (70% training and 30% testing) in Helgegården 2020 (N = 169).

Characteristic	A Pseudo-diploid (Model 1)	B Additive tetrasomic polyploidy (Model 1)	C Full tetraploid (Model 1)	B-C (Model 2)
GB
Total tuber weight	0.310 ± 0.127	0.359 ± 0.131	0.418 ± 0.110	0.389 ± 0.136
Tuber weight < 40	0.576 ± 0.094	0.568 ± 0.110	0.539 ± 0.131	0.584 ± 0.113
Tuber weight 40–50	0.455 ± 0.084	0.424 ± 0.091	0.424 ± 0.094	0.434 ± 0.086
Tuber weight 50–60	0.270 ± 0.126	0.273 ± 0.129	0.324 ± 0.099	0.326 ± 0.122
Tuber weight > 60	0.464 ± 0.103	0.483 ± 0.109	0.518 ± 0.096	0.508 ± 0.107
Starch (%)	0.629 ± 0.077	0.671 ± 0.075	0.604 ± 0.094	0.658 ± 0.075
GK
Total tuber weight	0.374 ± 0.121	0.389 ± 0.135	0.372 ± 0.142	0.399 ± 0.132
Tuber weight < 40	0.580 ± 0.111	0.576 ± 0.108	0.574 ± 0.119	0.582 ± 0.110
Tuber weight 40–50	0.424 ± 0.066	0.437 ± 0.082	0.395 ± 0.093	0.442 ± 0.081
Tuber weight 50–60	0.346 ± 0.111	0.318 ± 0.100	0.358 ± 0.108	0.367 ± 0.110
Tuber weight > 60	0.511 ± 0.107	0.502 ± 0.113	0.514 ± 0.111	0.516 ± 0.112
Starch (%)	0.633 ± 0.074	0.669 ± 0.076	0.592 ± 0.076	0.667 ± 0.074