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. 2019 May 6;14(5):e0208871. doi: 10.1371/journal.pone.0208871

Table 2. Predictive ability (PA) of GBLUP and RKHS statistical models obtained with 28,091 SNPs selected based on linkage disequilibrium (LD), and based on association with target trait detected by genome wide association study (GWAS).

Environment & size of the population
280 accessions 204 accessions
E1 E1 E2 E3
LD GWAS LD GWAS LD GWAS LD GWAS
GBLUP DTF PA 0.540 b 0.618 a 0.599 b 0.653 a 0.450 b 0.519 a 0.579 b 0.635 a
STD 0.084 0.067 0.082 0.071 0.129 0.108 0.098 0.097
GY PA 0.389 b 0.489 a 0.345 b 0.398 b 0.420 b 0.476 b 0.672 b 0.682 a
STD 0.09 0.061 0.115 0.124 0.12 0.162 0.122 0.133
PH PA 0.505 b 0.623 a 0.558 b 0.595 a 0.648 b 0.679 b 0.673 b 0.703 a
STD 0.087 0.086 0.085 0.046 0.087 0.049 0.073 0.057
RKHS DTF PA 0.539 b 0.633 a 0.585 b 0.662 a 0.466 b 0.553 a 0.554 b 0.628 a
STD 0.081 0.062 0.09 0.071 0.114 0.110 0.098 0.089
GY PA 0.387 b 0.490 a 0.352 b 0.391 b 0.435 b 0.479 b 0.668 b 0.695 b
STD 0.089 0.054 0.106 0.127 0.113 0.683 0.149 0.132
PH PA 0.501 b 0.625 a 0.547 b 0.595a 0.646 b 0.683 a 0.675 b 0.711 a
STD 0.09 0.088 0.084 0.046 0.078 0.051 0.075 0.060

DTF: days to flowering; GY: grain yield PH: plant height (PH); E1: lowland non-stress environment; E2: lowland stressed; E3: upland stressed. AP of GWAS-derived markers predictions that are followed by different letters than their LD-derived counterpart are significantly different at α <0.05.