Table 4.
Performance of genome-wide prediction in 138 Miscanthus sinensis genotypes based on single-nucleotide variant (SNV) markers filtered using liberal criteria (Table 2)
| Traita | H 2 b | rSorg (SD)c | AccuSorg (SD)d | rMisc (SD)e | AccuMisc (SD)f |
|---|---|---|---|---|---|
| Phenology | |||||
| DOYFS1.9 | 0.89 | 0.76 (0.02) | 0.81 (0.02) | 0.78 (0.01) | 0.82 (0.02) |
| AvgeSen.9 | 0.83 | 0.64 (0.01) | 0.71 (0.01) | 0.64 (0.01) | 0.71 (0.01) |
| Morphology/biomass | |||||
| BaseDiameter.9 | 0.52 | 0.27 (0.05) | 0.38 (0.06) | 0.29 (0.04) | 0.40 (0.06) |
| DryMatter.9 | 0.54 | 0.06 (0.05) | 0.09 (0.07) | 0.04 (0.06) | 0.05 (0.08) |
| LeafLength.7 | 0.65 | 0.67 (0.01) | 0.83 (0.01) | 0.66 (0.01) | 0.82 (0.01) |
| LeafWidth.7 | 0.64 | 0.52 (0.02) | 0.65 (0.03) | 0.56 (0.01) | 0.70 (0.02) |
| MaxCanopyHeight.9 | 0.77 | 0.35 (0.03) | 0.40 (0.03) | 0.34 (0.02) | 0.39 (0.03) |
| Moisture.9 | 0.59 | 0.70 (0.01) | 0.92 (0.01) | 0.73 (0.01) | 0.95 (0.01) |
| StatureCategory.7 | 0.48 | 0.39 (0.03) | 0.57 (0.04) | 0.43 (0.02) | 0.62 (0.03) |
| StatureLeafAngle.7 | 0.50 | 0.46 (0.03) | 0.65 (0.05) | 0.47 (0.02) | 0.66 (0.03) |
| StatureStemAngle.7 | 0.48 | 0.37 (0.02) | 0.53 (0.03) | 0.40 (0.02) | 0.58 (0.03) |
| StemDiameter.9 | 0.60 | 0.51 (0.03) | 0.66 (0.04) | 0.50 (0.02) | 0.65 (0.03) |
| TallestStem.9 | 0.88 | 0.65 (0.01) | 0.69 (0.01) | 0.63 (0.01) | 0.68 (0.02) |
| TransectCount.9 | 0.51 | 0.17 (0.04) | 0.23 (0.06) | 0.27 (0.03) | 0.39 (0.04) |
| Cell wall composition | |||||
| Cellulose.8 | 0.79 | 0.62 (0.02) | 0.70 (0.02) | 0.61 (0.02) | 0.69 (0.02) |
| Hemicellulose.8 | 0.60 | 0.25 (0.03) | 0.32 (0.04) | 0.18 (0.04) | 0.24 (0.05) |
| Lignin.8 | 0.66 | 0.43 (0.02) | 0.53 (0.03) | 0.35 (0.02) | 0.43 (0.03) |
| Average (SD)g | 0.64 | 0.46 (0.20) | 0.57 (0.22) | 0.46 (0.20) | 0.57 (0.23) |
All predictive abilities and accuracies are based on 100 random 10-fold cross-validations (i.e. using a training population with N = 124 genotypes).
Trait, phenotypic trait as defined in Table 1.
H2, broad-sense heritability (see the Materials and Methods section).
rSorg (SD), average predictive ability and standard deviation across 100 random 10-fold cross-validations based on 53 174 SNVs obtained from alignments to the Sorghum bicolor genome.
AccuSorg (SD), average accuracy of genome-wide prediction and standard deviation across 100 random 10-fold cross-validations based on 53 174 SNVs obtained from alignments to the S. bicolor genome
rMisc (SD), average predictive ability and standard deviation across 100 random 10-fold cross-validations based on 121 771 SNVs obtained from alignments to an M. sinensis pseudo-reference.
AccuMisc (SD), average accuracy of genome-wide prediction and standard deviation across 100 random 10-fold cross-validations based on 121 771 SNVs obtained from alignments to an M. sinensis pseudo-reference.
Average (SD), overall average and standard deviation across traits.