Table 4.
Summary of QTL for FHB severity (AUDPC) identified by simple interval mapping
| Pop | Chro | Flanking markers | Closest marker | Multienvironment analysis | ||
|---|---|---|---|---|---|---|
| Adda | % PV | LODb | ||||
| FTd | 3B | Xs25m12_f7h6–Xbarc147 | Xbarc133 | −62 | 5.3 | 10.7** |
| DTd | 4B | Rht-B1–Xs11m14_d1h1 | Rht-B1 | 51 | 3.1 | 6.4 |
| FTd | 4B | Rht-B1–Xs25m14_f9h7 | Rht-B1 | 59 | 4.9 | 10.0** |
| HTd | 4B | Xwmc617–Xs25m14_f9h7 | Rht-B1 | 101 | 18.0 | 39.2*** |
| DTd | 6A | Xgwm132a–Xs20m15_d7 | Xgwm356 | 62 | 4.0 | 8.3** |
| DTd | 6B | Xwmc398–Xs23m14_d7 | Xgwm816 | 45 | 2.4 | 4.9 |
| FTd | 6B | Xwmc398–Xgwm816 | Xs24m25_f4 | 57 | 4.8 | 9.8** |
| FTd | 7B | Xs24m26_d16f4–Xs24m12_f6h5 | Xs24m12_f6h5 | 55 | 3.3 | 6.6 |
| HTd | 7B | Xgwm400–Xgwm46 | Xs24m12_f6h5 | 38 | 2.2 | 4.7 |
| Pop | Chro | Flanking markers | F. culmorum | F. graminearum | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 2006 | 2008 | 2006 | 2008 | |||||||
| % PV | LODb | % PV | LODb | % PV | LODb | % PV | LODb | |||
| FTd | 3B | Xs25m12_f7h6–Xbarc147 | 12.4 | 6.8*** | 4.5 | 2.2 | 5.2 | 2.7 | 9.4 | 4.7*** |
| DTd | 4B | Rht-B1–Xs11m14_d1h1 | 4.1 | 2.1 | 0.2 | 0.1 | 11.7 | 6.3*** | 8.9 | 4.7** |
| FTd | 4B | Rht-B1–Xs25m14_f9h7 | 6.4 | 3.4 | 4.9 | 2.4 | 8.6 | 4.6* | 9.7 | 4.8*** |
| HTd | 4B | Xwmc617–Xs25m14_f9h7 | 27.2 | 16.3*** | 20.2 | 11.6*** | 26.9 | 16.1*** | 16.6 | 9.3*** |
| DTd | 6A | Xgwm132a–Xs20m15_d7 | 3.1 | 1.6 | 10.4 | 5.5** | 5.7 | 3.0* | 5.3 | 2.7 |
| DTd | 6B | Xwmc398–Xs23m14_d7 | 1.3 | 0.7 | 5.8 | 3.0 | 3.5 | 1.8 | 6.2 | 3.2 |
| FTd | 6B | Xwmc398–Xgwm816 | 3.8 | 2.0 | 12.8 | 6.5** | 3.8 | 2.0 | 8.7 | 4.3** |
| FTd | 7B | Xs24m26_d16f4–Xs24m12_f6h5 | 0.2 | 0.1 | 19.5 | 10.2*** | 8.4 | 4.5** | 0.3 | 0.1 |
| HTd | 7B | Xgwm400–Xgwm46 | 0.9 | 0.5 | 11.3 | 6.2** | 2.7 | 1.4 | 1.3 | 0.7 |
LOD values ≥ 3 are printed in bold
* α 0.1 < LOD; ** α 0.05 < LOD; *** α 0.01 < LOD
aPositive additive effects denote 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 for each experiment and for the multienvironment analysis of all populations