Table 4.
A summary of the results of two-locus analysis showing QTL involved in epistasis, and epistasis by environmental interactions in two mapping populations of bread wheat
| Mapping population | Trait | 1st QTL | 2nd QTL | Significant epistatic and epistatic×environment interactions |
| PH132×WL711 (PI) | GPC | QGpc.ccsu-1A.1 | QGpc.ccsu-2B.2 | aae2 |
| QGpc.ccsu-2B.1 | QGpc.ccsu-4A.3 | aa, aae3 | ||
| QGpc.ccsu-2D.4 | QGpc.ccsu-7A.3 | aae4 | ||
| QGpc.ccsu-5B.1 | QGpc.ccsu-7A.2 | aa, aae4 | ||
| Yield traits | ||||
| TPP | QTp.ccsu-3A.2 | QTp.ccsu-6A.2 | aae4, aae6 | |
| GY | QGy.ccsu-2D.4 | QGy.ccsu-4D.1 | aa, aae4 | |
| QGy.ccsu-3B.4 | QGy.ccsu-4A.2 | aa, aae2, aae3, aae4 | ||
| SL | QSl.ccsu-1A.5 | QSl.ccsu-5B.2 | aa | |
| QSl.ccsu-1B.4 | QSl.ccsu-7B.3 | aa | ||
| QSl.ccsu-1B.5 | QSl.ccsu-3B.2 | aa | ||
| QSl.ccsu-1B.5 | QSl.ccsu-7B.2 | aa | ||
| QSl.ccsu-2A.5 | QSl.ccsu-5B.3 | aa | ||
| QSl.ccsu-2D.6 | QSl.ccsu-4A.4 | aa | ||
| QSl.ccsu-2D.7 | QSl.ccsu-4A.5 | aa | ||
| QSl.ccsu-4B.1 | QSl.ccsu-7B.6 | aa | ||
| SPS | QSps.ccsu-2A.2 | QSps.ccsu-7A.3 | aa | |
| QSps.ccsu-3A.1 | QSps.ccsu-7A.2 | aa | ||
| GPS | QGps.ccsu-4B.5 | QGps.ccsu-7A.4 | aa | |
| Growth traits | ||||
| DH | QDh.ccsu-1A.1 | QDh.ccsu-2D.8 | aa, aae4 | |
| QDh.ccsu-2B.1 | QDh.ccsu-3D.3 | aa | ||
| QDh.ccsu-2B.1 | QDh.ccsu-3D.2 | aa, aae4 | ||
| QDh.ccsu-3B.1 | QDh.ccsu-6A.1 | aa | ||
| DM | QDm.ccsu-1B.1 | QDm.ccsu-7A.2 | aa, aae4 | |
| QDm.ccsu-1B.2 | QDm.ccsu-4B.1 | aa, aae1, aae2, aae4 | ||
| QDm.ccsu-2A.3 | QDm.ccsu-6A.2 | aa | ||
| QDm.ccsu-2B.1 | QDm.ccsu-7A.2 | aa | ||
| EGH | QEgh.ccsu-2A.5 | QEgh.ccsu-3D.1 | aae1, aae4, aae5, aae6 | |
| QEgh.ccsu-2B.1 | QEgh.ccsu-3A.2 | aa | ||
| QEgh.ccsu-6A.2 | QEgh.ccsu-6D.1 | aa | ||
| QEgh.ccsu-6A.1 | QEgh.ccsu-6D.2 | aa | ||
| PH | QPh.ccsu-1D.2 | QPh.ccsu-6A.1 | aa | |
| QPh.ccsu-1D.2 | QPh.ccsu-6A.2 | aa | ||
| QPh.ccsu-2D.3 | QPh.ccsu-5A.2 | aa, aae2 | ||
|
QPh.ccsu-4B.1 |
QPh.ccsu-4D.1 |
aa |
||
| W7984×Opata85 (PII=ITMIpop) | GPC | QGpc.ccsu-1A.2 | QGpc.ccsu-2A.5 | aa |
| QGpc.ccsu-2A.3 | QGpc.ccsu-2D.5 | aa, aae1, aae2, aae3, aae4 | ||
| QGpc.ccsu-5D.1 | QGpc.ccsu-7A.4 | aa | ||
| QGpc.ccsu-1B.1 | QGpc.ccsu-1D.1 | aae4 | ||
| QGpc.ccsu-2A.4 | QGpc.ccsu-3B.1 | aae1, aae2, aae3, aae4 | ||
| PHST | QPhs.ccsu-2B.1 | QPhs.ccsu-3B.1 | aa | |
| QPhs.ccsu-3B.3 | QPhs.ccsu-3B.4 | aa | ||
| QPhs.ccsu-3B.5 | QPhs.ccsu-3D.1 | aa | ||
| QPhs.ccsu-3D.2 | QPhs.ccsu-5B.1 | aa | ||
| QPhs.ccsu-2B.2 | QPhs.ccsu-6A.1 | aae1, aae3, aae4 | ||
| QPhs.ccsu-3B.1 | QPhs.ccsu-7B.1 | aae3 | ||
| Yield traits | ||||
| TPP | QTp.ccsu-1D.2 | QTp.ccsu-3A.2 | aa | |
| BY | QBy.ccsu-1A.2 | QBy.ccsu-2B.1 | aa, aae1, aae3 | |
| QBy.ccsu-4B.2 | QBy.ccsu-7A.6 | aa | ||
| GY | QGy.ccsu-1A.3 | QGy.ccsu-5B.1 | aa, aae1, aae4 | |
| QGy.ccsu-1A.3 | QGy.ccsu-3A.1 | aa | ||
| HI | QHi.ccsu-3A.3 | QHi.ccsu-5B.1 | aa, aae1 | |
| QHi.ccsu-4A.3 | QHi.ccsu-5A.2 | aae4 | ||
| SL | QSl.ccsu-6A.3 | QSl.ccsu-6A.4 | aa | |
| SPS | QSps.ccsu-3B.2 | QSps.ccsu-5D.1 | aa | |
| GPS | QGps.ccsu-4B.5 | QGps.ccsu-7A.4 | aa |
GPC: Grain protein content; PHST: Pre-harvest sprouting tolerance; TPP: Tiller per plant; BY: Biological yield; GY: Grain yield; HI: Harvest index; SL: Spike length; SPS: Spike lets per spike; GPS: Grains per spike; DH: Days to heading; DM: Days to maturity; EGH: Early growth habit; PH: Plant height