TABLE 1.
Genomic regions/QTLs identified for grain Zn and Fe concentrations in cultivated and wild wheat using biparental and association analysis methods.
| Mapping approach | Parentage/association panel | Chromosome | Number of QTLs/genomic regions |
Phenotypic variance (%) |
References | ||
| Fe | Zn | Fe | Zn | ||||
| QTL mapping | T. boeoticum (pau5088)x T. monococcum (pau14087) | Fe: 2A, 7A (2 QTLs) Zn: 7A (2 QTLs) |
3 | 2 | 7.0–12.6 | 9.0–18.0 | Tiwari et al. (52) |
| QTL mapping | Durum wheat (cv. Langdon) X wild emmer (accession G18-16). | Fe: 2A (2 QTLs), 2B, 3A, 3B, 4B 5A, 6A, 6B, 7A, 7B Zn: 2A (2 QTLs), 5A, 6B, 7A, 7B |
11 | 6 | 2–18 | 1–23 | Peleg et al. (64) |
| QTL mapping | Xiaoyan 54 and Jing 411 | Fe: 2B, 5A, 6A Zn: 5A, 2A, 4B |
3 | 3 | 3.27–10.78 | 4.23–9.05 | Xu et al. (70) |
| QTL mapping | PBW343X Kenya Swara | Zn: 1B, 2B, 3A, 4A, 5B | – | 5 | 10.0–15.0 | Hao et al. (71) | |
| QTL mapping | Berkut X Krichauff | Fe: 1B Zn:1B,2B |
1 | 2 | 22.2 | 23.1–35.90 | Tiwari et al. (65) |
| QTL mapping | Two mapping populations were used: Saricanak98 X MM5/4 Adana99 × 70,711 |
Fe: 1B, 2A, 2B (2 QTLs), 3A, 6B, 7B Zn: 1B, 1D, 2B, 3A, 3D, 6A, 6B, 7A (2 QTLs), 7B |
7 | 10 | 9.0–17. | 9.00–31.0 | Velu et al. (66) |
| Association mapping | 167 Ae. tauschii | Fe: 1D, 2D, 3D, 4D, 7D Zn: 2D, 4D, 6D, 7D |
5 | 4 | – | – | Arora et al. (114) |
| QTL mapping | WH542 X a synthetic derivative [Triticum dicoccon PI94624/Aegilops tauschii (409)//BCN]. | Fe: 6D, 7D (2 QTLs) Zn: 1D, 3B, 2D (2 QTLs), 7D (2 QTLs) |
3 | 6 | 5.61–42.12 | 5.05–13.07 | Krishnappa et al. (69) |
| Association mapping | 369 European elite wheat varieties | Zn: 2A, 3A, 3B, 4A, 4D, 5A, 5B, 5D, 6D, 7A, 7B, 7D | – | 40 | – | 2.5–5.2 | Alomari et al. (59) |
| Association mapping | 123 synthetic hexaploid wheat derived from cross Triticum turgidum L. × Aegilops tauschii Coss. | Fe: 1A (2 QTLs), 3A Zn: 1A, 2A (2 QTLs, 3A (2 QTLs), 3B (3 QTLs), 4A, 4B, 5A (2 QTLs), 6B |
3 | 13 | 11.2–13.2 | 1.8–14.1 | Bhatta et al. (115) |
| QTL mapping | Roelfs F2007X Hong Hua Mai/./Blouk #1 | Fe: 1A, 2A, 3B, 3D, 4B, 5A, 6B (2 QTLs) Zn: 1B, 2B, 3A, 3B, 3D, 4B, 5A (2 QTLs), 6B, 7A |
9 | 10 | 2.10–14.56 | 2.71–14.22 | Liu et al. (68) |
| Association mapping | HarvestPlus Association Mapping panel consisted of 330 wheat lines. | Zn: 1A, 2A (10 QTLs), 2B (11 QTLs), 2D (2 QTLs), 5A (2 QTLs), 6B (2 QTLs), 6D, 7B (7QTLs), 7D | – | 39 | – | 5–10.5 | Velu et al. (34) |
| QTL mapping | WH542 X a synthetic derivative [Triticum dicoccon PI94624/Aegilops tauschii (409)//BCN]. | Fe: 6D, 7D (2 QTLs) Zn: 3B, 1D, 2D (2 QTLs), 7D (2 QTLs) |
3 | 6 | 5.01–13.07 | 5.61–42.13 | Krishnappa et al. (69) |
| QTL mapping | Kachu × Zinc-Shakti | Fe: 1B, 1D, 2A, 6A Zn: 1B (2QTLs), 1D, 2A, 2B, 5A, 6B, 7D (2 QTLs) |
4 | 9 | 3.1–12.3 | 3.3–10.3 | Rathan et al. (116) |
| Association mapping | 205 wheat genotypes comprising cultivars, landraces, and breeding lines |
Zn: 2B, 3B, 4B, 7B, 7A Fe: 5A, 6B, 7B, 7D |
20 | 16 | 8.07–16.23 | 7.94–12.12 | Wang et al. (117) |