Table 8.
Potential QTLs for dormancy and WH identified in a pseudo-testcross F1 population (3010 × CW 1010) using phenotypic data generated across two environments (JPC and BVL).
| Trait | Parent | QTL code | Chr. | Year | Peak marker | Peak LOD | R2 | Allele dir. | LSI (cM) | Flanking markers |
|---|---|---|---|---|---|---|---|---|---|---|
| FD | 3010 | dorm24 | 3A | $4 | TP67563 | 5.4 | 0.09 | (−) | 49.4–51.8 | TP71671–TP76041 |
| FD | 3010 | dorm25 | 3D | $4 | MRG_38650252 | 3.6 | 0.09 | (−) | 70.1–74.4 | MRG_31477229–TP57603 |
| FD | 3010 | dorm26 | 3D | $2 | TP16817 | 4.3 | 0.09 | (−) | 76.3–79.5 | TP16817–TP5092 |
| FD | 3010 | dorm27 | 1C | $1 | TP32721 | 4.8 | 0.07 | (−) | 81.8–85.1 | TP32721–TP40620 |
| FD | 3010 | dorm28 | 1A | $3 | TP46942 | 3.6 | 0.06 | (−) | 72–73 | TP72089–TP73780 |
| FD | CW 1010 | ndorm16 | 4D | $3 | TP69818 | 3.1 | 0.09 | (+) | 8.3–10.7 | TP69818–TP82286 |
| FD | CW 1010 | ndorm17 | 4D | $2 | TP80681 | 3.9 | 0.08 | (+) | 19.7–23.5 | TP80681–TP83595 |
| WH | 3010 | wh17 | 4C | ϕ1 | TP81375 | 4.6 | 0.10 | (+) | 37.6–39.5 | TP80478–TP81375 |
| WH | 3010 | wh18 | 3D | ϕ3 | TP43991 | 5.1 | 0.09 | (+) | 58.9-63.2 | TP50808–TP87713 |
| WH | 3010 | wh19 | 7A | ϕ3 | TP71458 | 3.7 | 0.06 | (+) | 50.5–52 | TP15177–TP71458 |
Across environment dormancy:
$1 = 2015, fall; $2 = 2016, fall; $3 = 2016, winter; $4 = 2017, winter.
Across environment winter hardiness:
ϕ1 = 2015; ϕ2 = 2016; ϕ3 = 2017.
Chr., Chromosome; Dir., Direction; LSI, 1-LOD support interval in cM unit.