Table 4.
Significant markers traits associations detected under drought stress conditions at a significance of p <0.001
| Traita | Number of genomic regions associated with the traits on the seven linkage groups (barley chromosomes)b,c | |||||||
|---|---|---|---|---|---|---|---|---|
| 1H | 2H | 3H | 4H | 5H | 6H | 7H | Total QTL | |
| BY | 81.7 cM (3 SNP) | 2 cM (3 SNP) | 76.2 cM (1 SNP) | 99.1 cM (1 SNP) | 46.7 cM (8 SNP) | 48.3 cM (1 SNP) | 19 (32 SNPs) | |
| 92.2 cM (1 SNP) | 5.5 cM (1 SNP) | 135.5 cM (1 SNP) | 59.7 cM (1 SNP) | 70.2 cM (1 SNP) | ||||
| 12.1 cM (1 SNP) | 80.3 cM (1 SNP) | 133.9 cM (1 SNP) | ||||||
| 90.2 cM (3 SNP) | 110.1 cM (1 SNP) | |||||||
| 139.1 cM (1 SNP) | ||||||||
| 152.4 cM (1 SNP) | ||||||||
| 167.7 cM (1 SNP) | ||||||||
| SPAD | 49.2 cM (1 SNP) | 44.2 cM (4 SNP) | 128.3 cM (1 SNP) | 3 (6 SNPs) | ||||
| ETR | 59.4 cM (1 SNP) | 2.1 cM (1 SNP) | 2 (2 SNPs) | |||||
| OA | 116.8 cM (1 SNP) | 51.8 cM (1 SNP) | 2.4 cM (1 SNP) | 52.3 cM (1 SNP) | 46.5 cM (1 SNP) | 10.3 cM (1 SNP) | 106.5 cM (1 SNP) | 22 (29 SNPs) |
| 60.8 cM (2 SNP) | 36.8 cM (2 SNP) | 110.2 cM (1 SNP) | 55.7 cM (1 SNP) | 47.5 cM (1 SNP) | ||||
| 81.5 cM (4 SNP) | 51.8 cM (1 SNP) | 95 cM (1 SNP) | 51 cM (2 SNP) | |||||
| 135.8 cM (1 SNP) | 61.9 cM (1 SNP) | 137.9 cM (1 SNP) | ||||||
| 146.5 cM (1 SNP) | 89.4 cM (1 SNP) | |||||||
| 100.7 cM (2 SNP) | ||||||||
| CSS | 95.8 cM (1 SNP) | 1 (1 SNP) | ||||||
| Total QTL | 4 (6 SNPs) | 10 (18 SNPs) | 8 (10 SNPs) | 3 (3 SNPs) | 12 (22 SNPs) | 4 (5 SNPs) | 6 (6 SNPs) | 47 (70 SNPs) |
aBY: biomass yield, SPAD: leaf colour, ETR: electron transport rate at PSII, OA: osmolality, CSS: total content of soluble sugars
bOne genomic region up to 2.6 cM (LD); the chromosomal position in cM was taken from the respective SNP with the highest R2
cChromosome positions are based on Comadran et al. (2012)