Table 3.
Quantitative trait loci (QTL) detected for morphological traits and yield based on data form ‘Clipper’ × ‘Sahara 3771’ 146 DH population.
| Trait | QTLa | Ch. | Flanking markers | Size (Mega-base) | Interval QTL position (cM)b | Additive effectc | Explained variance (%) |
|---|---|---|---|---|---|---|---|
| Days to awn appearance (DAA) | qDAA-1 | 4H | ABC305A-HVGLYT5 | 188.9 | 114.6–121.9 | S 2.7∗∗∗ | 10 |
| qDAA-2 | 5H | ABG702-GBMS141 | 171.6 | 108.3–120.3 | S 4.5∗∗∗ | 33 | |
| qDAA-3 | 7H | ABC152D-AWBMA12A | 86 | 52.9–64.5 | C 1.99∗∗∗ | 11 | |
| Plant height (PLH) | qPLH-1 | 3H | WG178-HVM60 | 108.5 | 60–73.9 | C 1.62∗∗∗ | 17 |
| qPLH-2 | 4H | BCD808C-HVKNOX3 | 52.9 | 29.7–44.3 | C 1.53∗∗∗ | 17 | |
| qPLH-3 | 5H | KSUA3A-ABC164 | 42 | 21.9–32.9 | C 1.36∗∗∗ | 11 | |
| Spike length (SL) | qSL-1 | 1H | ABG74-WG789D | 54.3 | 33.9–56.1 | C 0.16∗∗∗ | 3 |
| qSL-2 | 3H | WG405-HVGSL8 | 79.6 | 43–53.4 | C 0.4∗∗∗ | 16 | |
| qSL-3 | 4H | ANIONT1A-TACMD | 143.7 | 86–96.7 | S 0.26∗∗∗ | 9 | |
| qSL-4 | 5H | ABG702-GBMS141 | 170.1 | 99.3–121.9 | S 0.23∗∗∗ | 7 | |
| qSL-5 | 6H | EBMAC787-GBMS180 | 117.9 | 60.1–79.5 | S 0.23∗∗∗ | 9 | |
| qSL-6 | 7H | WG789C-SSS1 | 47.4 | 20.1–42.9 | C 0.20∗∗∗ | 6 | |
| Flag leaf length (FLL) | qFLL-1 | 1H | CDO105-HVUXS2 | 71.1 | 57.1–64.9 | S 0.66∗∗∗ | 14 |
| qFLL-2 | 3H | BMAG6-EBMAC848 | 79.6 | 36–51.4 | S 0.59∗∗∗ | 13 | |
| qFLL-3 | 4H | CDO1312-CDO63 | 159.3 | 97.7–113.1 | S 0.62∗∗∗ | 13 | |
| Fertile spike number (FSN) | qFSN-1 | 2H | CDO474B-VRS1 | 134.7 | 96.8–101 | C 0.52∗∗∗ | 46 |
| qFSN-2 | 4H | ANIONT1A-TACMD | 146.9 | 87–102.2 | C 0.18∗∗∗ | 5 | |
| qFSN-3 | 6H | PSR167-TAM10 | 102.4 | 56.2–74.8 | C 0.28∗∗∗ | 12 | |
| Seed per plant (SN) | qSN-1 | 2H | VRS1-KSUF15 | 136.3 | 99.8–105 | S 8.15∗∗∗ | 67 |
| Thousand kernel weight (TKW) | qTKW-1 | 2H | CDO474B-VRS1 | 133.4 | 96.8–101 | C 6∗∗∗ | 69 |
| qTKW-2 | 6H | PSR167-TAM10 | 105.6 | 50.2–76.5 | C 1.3∗∗∗ | 4 | |
| Harvest index (HI) | qHI-1 | 1H | PSR158-CDO105 | 67.6 | 45.2–78.8 | C 1.74∗∗∗ | 6 |
| qHI-2 | 2H | CDO474B-VRS1 | 130.7 | 93.8–101 | S 4.42∗∗∗ | 38 | |
| Grain yield (GY) | qGY-1 | 1H | BCD454-BMAC32 | 86.3 | 61.5–91 | C 0.05∗∗∗ | 9 |
| qGY-2 | 2H | VRS1-KSUF15 | 137.6 | 90.8–112.3 | S 0.1∗∗∗ | 14 | |
| qGY-3 | 4H | CDO358-AWBMA29 | 80.1 | 46.9–56.3 | C 0.06∗∗∗ | 3 | |
| qGY-4 | 6H | PSR167-TMA10 | 99.2 | 56.2–69.4 | C 0.09∗∗∗ | 12 | |
aQTL were named according to McCouch (2008). bThe most likely location QTL by composite interval mapping (CI). c‘S’ represents inheritance of allele from ‘Sahara 3771’ and ‘C’ from Clipper parents. “∗∗∗” Indicates marker effect is statistically different from zero at P < 0.001.