Table 2.
Summary of SNP markers linked to significant SB resistance QTLs detected from genome-wide association analysis of 294 winter wheat genotypes.
| No. | QTL (SNP Marker) | Chr. | Alleles | Position (cM)∗∗ | p-value | R2 (%) | Additive effect∗ | SB response |
|---|---|---|---|---|---|---|---|---|
| 1 | QSb.sdsu-2D.1 (Kukri_c31121_1460) | 2D | CC/TT | 80.2 | 4.8E-04 | 4.3 | -0.45 | R |
| 2 | QSb.sdsu-3A.1 (Excalibur_c46082_440) | 3A | CC/TT | 90.6 | 9.0E-04 | 4.0 | -0.37 | R |
| 3 | QSb.sdsu-4A.1 (IWA8475) | 4A | GG/TT | 118.7 | 8.7E-05 | 5.5 | -0.44 | R |
| 4 | QSb.sdsu-4B.1 (Excalibur_rep_c79414_306) | 4B | AA/GG | 36.8 | 7.3E-04 | 4.1 | +0.38 | S |
| 5 | QSb.sdsu-5A.1 (Kukri_rep_c104877_2166) | 5A | GG/TT | 59.1 | 3.3E-05 | 6.2 | +0.67 | S |
| 6 | QSb.sdsu-7B.1 (TA005844-0160) | 7B | CC/TT | 86.4 | 3.1E-05 | 6.3 | -0.46 | R |
R = SD52; S = SD1001; ∗Additive effect refers to first allele e.g., for QSb.sdsu-2D.1 it refers to CC. ∗∗The cM position is based on Wang S. et al. (2014).