Table 5.
Summary of QTL for developmental and morphological traits identified by simple interval mapping
| Trait | Population | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chromosome | DTd | FTd | HTd | |||||||||
| Flanking markers | Adda | PV % | LODb | Flanking markers | Adda | PV % | LODb | Flanking markers | Adda | PV % | LODb | |
| Plant height | ||||||||||||
| 3A | – | – | – | – | Xbarc67–Xgwm1121 | −6.6 | 14.5 | 8.1*** | – | – | – | – |
| 4B | Rht-B1–Xs11m14_d1h1 | −17.3 | 68.5 | 58.7*** | Rht-B1 | −13.1 | 56.2 | 42.5*** | Rht-B1 | −18.4 | 67.8 | 59.0*** |
| Spike compactness | ||||||||||||
| 5A | Xs20m15_d2– Xgwm179 | 0.8 | 11.2 | 6.0*** | Xgwm179–Xgwm291 | 0.7 | 10.7 | 5.7*** | – | – | – | – |
| 7A | – | – | – | – | Xs11m24_f3–Xgwm681 | −0.6 | 8.9 | 4.7** | Xs24m26_h6–Xgwm233 | −0.6 | 6.2 | 3.4** |
| Awn length | ||||||||||||
| 3B | Xs24m14_d9h6–Xs25m12_d9 | 0.9 | 10.4 | 5.6* | – | – | – | – | – | – | – | – |
| 4A | Xgwm781–Xs24m12_d5 | 1.5 | 29.7 | 17.9*** | Xgwm781–Xgwm610 | 1.5 | 32.9 | 20.0*** | Xgwm781–Xs11m26_d9h4 | 1.8 | 45.5 | 31.3*** |
| 7A | Xs23m13_d13–Xgwm666a | 1.0 | 16.1 | 8.9*** | Xs11m24_f3–Xgwm681 | 1.1 | 16.5 | 9.1*** | Xs24m26_h6–Xgwm233 | 1.0 | 12.4 | 6.8*** |
| Flowering date | ||||||||||||
| 2B | – | – | – | – | Xgwm429–Xgwm148 | −1.2 | 10.6 | 23*** | – | – | – | – |
| 4A | Xs13m14_d10–Xs20m14_d2 | −0.6 | 6.2 | 13.1*** | – | – | – | – | – | – | – | – |
| 5A | Xgwm179–Xs23m14_d16 | 0.7 | 7.3 | 15.4*** | – | – | – | – | – | – | – | – |
| 7B | Xs24m26_d16f4 | −1.0 | 10.8 | 23.2*** | Xs24m26_d16f4–Xgwm46 | −1.4 | 18.8 | 42.6*** | Xs23m12_h4–Xgwm46 | −1.1 | 13.1 | 29.1*** |
* α 0.1 < LOD; ** α 0.05 < LOD; *** α 0.01 < LOD
aPositive additive effects denotes that the T.diccocum allele reduces trait values relative to its respective T. durum allele
bSignificance thresholds were estimated by permutation tests (number of iterations = 1,000) for α 0.01, α 0.05, α 0.1