Table 3. QTLs identified in the IJR x AFR298 population evaluated under heat stress (HS) and non-stress (NS) conditions.
| QTL | Trial | Chr | Pos | CI | Left marker | Right marker | LOD | PVE% | Add | Source |
|---|---|---|---|---|---|---|---|---|---|---|
| FLOWERING | ||||||||||
| Days to flowering | ||||||||||
| DF1.1 | HS2016 | 1 | 42 | 40.5–51.5 | ss715646076 | ss715646578 | 3.07 | 10.42 | 0.75 | I |
| DF1.1 | NS2018 | 1 | 44 | 40.5–49.5 | ss715646076 | ss715646578 | 8.37 | 31.27 | 1.04 | I |
| DF1.1 | HSC | 1 | 42 | 40.5–49.5 | ss715646076 | ss715646578 | 3.01 | 10.80 | 0.74 | I |
| DF4.1 | HS2016 | 4 | 40 | 38.5–40.5 | ss715650271 | ss715639791 | 5 | 17.05 | 0.93 | I |
| DF4.1 | HSC | 4 | 40 | 38.5–40.5 | ss715650271 | ss715639791 | 4.16 | 14.85 | 0.84 | I |
| DF9.1 | HS2016 | 9 | 0 | 0.0–0.5 | ss715641167 | ss715642730 | 3.54 | 11.73 | -0.77 | A |
| DF9.1 | HSC | 9 | 0 | 0.0–0.5 | ss715641167 | ss715642730 | 3.79 | 13.39 | -0.79 | A |
| Pollen viability | ||||||||||
| PolVia5.1 | HS2016 | 5 | 76 | 75.5–76.0 | ss715650735 | ss715646737 | 3.68 | 15.1 | 5.21 | I |
| PolVia5.1 | HSC | 5 | 76 | 75.5–76.0 | ss715650735 | ss715646737 | 4.15 | 16.39 | 4.63 | I |
| PolVia8.1 | HS2017 | 8 | 93 | 82.5–93.5 | ss715644887 | ss715640277 | 5.1 | 20.12 | 5.64 | I |
| HARVEST | ||||||||||
| Pods with shriveled seed | ||||||||||
| PdShr1.1 | HS2016 | 1 | 3 | 0.0–13.5 | ss715646260 | ss715646262 | 2.84 | 11.42 | 4.33 | I |
| PdShr1.1 | HSC | 1 | 4 | 0.0–15.5 | ss715646262 | ss715645182 | 2.57 | 10.68 | 3.94 | I |
| Pods that are empty | ||||||||||
| PdE1.1 | HS2016 | 1 | 41 | 40.5–45.5 | ss715648564 | ss715646076 | 5.16 | 20.21 | -5.36 | A |
| PdE1.1 | HSC | 1 | 41 | 40.5–46.5 | ss715648564 | ss715646076 | 4.41 | 17.62 | -4.35 | A |
| Pod harvest index | ||||||||||
| PHI5.1 | HS2016 | 5 | 61 | 54.5–63.5 | ss715646995 | ss715645397 | 3.08 | 13.02 | 2.84 | I |
| PHI5.1 | NS2017 | 5 | 63 | 61.5–64.5 | ss715645397 | ss715645435 | 11.71 | 36.51 | 2.22 | I |
| PHI5.1 | HSC | 5 | 61 | 55.5–63.5 | ss715646995 | ss715645397 | 3.19 | 13.65 | 2.84 | I |
| PHI10.1 | NS2017 | 10 | 186 | 179.5–186.0 | ss715649376 | ss715645509 | 2.95 | 7.83 | 1.03 | I |
| Number of seed per pod | ||||||||||
| SdPd1.1 | HS2016 | 1 | 42 | 40.5–47.5 | ss715646076 | ss715646578 | 6.64 | 23.2 | 0.25 | I |
| SdPd1.1 | NS2017 | 1 | 41 | 40.5–48.5 | ss715648564 | ss715646076 | 5.66 | 19.21 | 0.23 | I |
| SdPd1.1 | HSC | 1 | 28 | 27.5–29.5 | ss715646837 | ss715648891 | 7.07 | 20.7 | 0.24 | I |
| SdPd1.2 | HS2016 | 1 | 94 | 92.5–94.0 | ss715645250 | ss715650354 | 3.52 | 11.41 | -0.17 | A |
| SdPd1.2 | NS2017 | 1 | 87 | 80.5–88.5 | ss715645251 | ss715645297 | 3.49 | 11.86 | -0.17 | A |
| SdPd1.2 | HSC | 1 | 94 | 92.5–94.0 | ss715645250 | ss715650354 | 5.50 | 15.61 | -0.2 | A |
| 100 seed weight | ||||||||||
| 100SdW1.1 | NS2017 | 1 | 40 | 37.5–41.5 | ss715648890 | ss715648564 | 7 | 14.29 | -1.85 | A |
| 100SdW2.1 | NS2017 | 2 | 124 | 114.5–145.5 | ss715642166 | ss715644429 | 3.64 | 19.76 | -2.12 | A |
| 100SdW3.1 | HS2017 | 3 | 59 | 53.5–71.0 | ss715646441 | ss715645581 | 2.8 | 13.32 | -1.99 | A |
| 100SdW8.1 | NS2017 | 8 | 129 | 112.5–138.5 | ss715646650 | ss715646115 | 4.61 | 12.82 | -1.7 | A |
| Number of pods per plant | ||||||||||
| PdPl1.1 | HSC | 1 | 42 | 40.5–52.5 | ss715646076 | ss715646578 | 3.14 | 12.98 | -1.52 | A |
| PdPl4.1 | HS2016 | 4 | 0 | 0.0–1.5 | ss715649774 | ss715649436 | 3.74 | 8.01 | -1.71 | A |
| PdPl8.1 | HS2016 | 8 | 84 | 71.5–93.5 | ss715644887 | ss715640277 | 3.05 | 13.28 | 2.2 | I |
| Number of seed per plant | ||||||||||
| SdPl 1.1 | NS2017 | 1 | 42 | 40.5–52.5 | ss715646076 | ss715646578 | 2.85 | 11.63 | 3.04 | I |
Chr: chromosome, Pos: Genetic position in centimorgan, CI: Confidence interval in centimorgan, PVE: Phenotypic variation explained by the QTL, Add: Estimated additive effect of the marker, Sources: Parents AFR298 A or IJR I that contribute the positive allele. HSC combines both heat stress trials. For trait abbreviations see Table 1.