Table 3.
Summary of QTLs detected for 11 physiological and biochemical traits in the MCam population under drought stress.
| Trait | Drought stress conditions | ||||||
|---|---|---|---|---|---|---|---|
| QTL name | Chr. | Nearest marker | LOD | Confidence interval [cM] | Additive effect | R2 [%] | |
| PLANT WATER STATUS | |||||||
| WL | QdWL.2H | 2H | 5880-2547 | 6.84 | 14.03–14.23 | −0.202 | 21.9 |
| QdWL.5H_3 | 5H | 3412-579 | 4.15 | 57.16–9.59 | 0.136 | 12.9 | |
| QdWL.7H_2 | 7H | ConsensusGBS0356-1 | 3.15 | 23.72–25.99 | −0.121 | 10.6 | |
| WC | QdWC.2H | 2H | 5880-2547 | 3.82 | 14.03–14.23 | −0.323 | 17.2 |
| PHOTOSYNTHETIC EFFICIENCY | |||||||
| ABS/RC | QdABS/RC.2H.1 | 2H | 9490-843 | 3.97 | 5.42–8.31 | −0.085 | 17.3 |
| QdABS/RC.2H.2 | 2H | 285-2932 | 4.09 | 119.60–120.57 | −0.166 | 17.7 | |
| TR0/RC | QdTRo/RC.2H.1 | 2H | AK356764.1 | 3.55 | 10.92–14.03 | −0.051 | 13.4 |
| QdTRo/RC.2H.2 | 2H | 2809-271 | 4.69 | 66.78–67.71 | −0.047 | 16.9 | |
| ET0/RC | QdETo/RC.2H | 2H | AK353596.1 | 3.85 | 132.17–145.34 | 0.041 | 20.5 |
| DI0/CS | QdDlo/CS.5H_3 | 5H | 5156-737 | 3.89 | 51.79–52.38 | 44.152 | 17.5 |
| (1-B)av | Qd(1-B)av.7H_2 | 7H | 497-386 | 3.33 | 37.97–40.35 | −0.354 | 18.7 |
| OSMOPROTECTANT AND HORMONE CONTENT | |||||||
| Pro | QdPro.2H.1 | 2H | Bmag0692 | 6.36 | 19.28–28.33 | 3.114 | 12.2 |
| QdPro.2H.2 | 2H | 6328-736 | 10.62 | 118.44–118.63 | −7.080 | 75.2 | |
| QdPro.3H_2.1 | 3H | EBmac0708 | 10.53 | 15.02–19.08 | −11.964 | 73.6 | |
| QdPro.3H_2.2 | 3H | 265-1229 | 11.58 | 33.01–35.29 | 20.832 | 77.5 | |
| Mal | QdMal.3H_2.1 | 3H | EBmac0708 | 18.38 | 17.02–18.08 | 1.370 | 85.8 |
| QdMal.3H_2.2 | 3H | GBM1420 | 18.44 | 36.75–42.52 | −1.533 | 85.9 | |
| Eth | QdEth.2H | 2H | Bmag0692 | 3.66 | 18.28–26.33 | 0.084 | 18.5 |
| ACTIVITY AND ACCUMULATION OF ANTIOXIDANTS | |||||||
| ATf | QdATf.6H | 6H | ConsensusGBS0136-7 | 4.36 | 0–2.75 | −0.019 | 20.0 |
Functional candidate genes that co-segregated with the maximum LOD scores within confidence intervals of mapped QTLs are underlined; LOD ≥ 10 and R2 ≥ 30 are in bold. R2, percentage of phenotypic variation explained by individual QTL.