Table 4.
QTL × QTL epistatic interactions identified for various physiological and yield component traits.
| ENV | Trait | Ch-Ini | Position | Marker interval (i) | Ch-Inj | Position | Marker interval (j) | LOD | PVE (%) | AAij |
|---|---|---|---|---|---|---|---|---|---|---|
| E5 | NDVI-1 | 2D | 70 | AX-95091154-AX-94983022 | 5D | 110 | Xwmc215-Xcfa2104.1 | 3.46 | 7.13 | − 0.038 |
| E2 | NDVI-2 | 3D | 0 | AX-94543536-AX-94575413 | 5B | 200 | AX-95141741-AX-94447136 | 4.72 | 6.59 | 0.069 |
| E2 | NDVI-2 | 2A | 250 | AX-95633318-AX-94881950 | 2A | 300 | AX-94650880-Xbarc124 | 4.33 | 5.52 | − 0.086 |
| E3 | NDVI-2 | 5D | 70 | Xgdm63-Xcfd29 | 7A | 195 | AX-95199741-AX-94883852 | 4.31 | 12.46 | − 0.721 |
| E6 | NDVI-3 | 3B | 75 | AX-94462966-AX-94532649 | 3D | 50 | AX-94519760-Xgwm52 | 3.23 | 6.36 | − 0.413 |
| E3 | NDVI-3 | 2A | 340 | AX-94497666- AX-94569814 | 3A | 60 | AX-94941121-AX-94998102 | 4.76 | 14.61 | − 0.394 |
| E1 | NDVI-4 | 1B | 100 | AX-94507852-AX-94490037 | 4A | 175 | AX-94881522-Xgwm165 | 3.17 | 5.33 | 0.0311 |
| E1 | NDVI-4 | 1D | 225 | Xcfa2147-AX-94730813 | 6A | 175 | AX-95652681-AX-94893553 | 3.56 | 4.89 | 0.034 |
| E6 | NDVI-5 | 3B | 50 | AX-95630213-AX-95630742 | 5D | 225 | AX-94411585-Xcfd26 | 3.32 | 8.63 | − 0.032 |
| E6 | NDVI-5 | 7A | 200 | AX-95199741-AX-94883852 | 7B | 100 | AX-95111977-Xwmc517 | 3.84 | 5.64 | 0.025 |
| E6 | CT-1 | 1D | 125 | AX-94466473-AX-95189966 | 5D | 75 | Xgdm63-Xcfd29 | 3.27 | 10.13 | 0.0695 |
| E6 | Chl. content | 3B | 210 | Xwmc689-Xwmc78 | 4D | 25 | AX-95257633-Xcfd23 | 4.95 | 6.19 | 0.5099 |
| E5 | Chl. content | 1B | 40 | Xwmc44- AX-94780679 | 4D | 85 | Xwmc825- AX-94864643 | 4.41 | 1.21 | − 1.3624 |
| E2 | PH | 2A | 375 | AX-94808948-Xgwm614.2 | 7D | 100 | AX-95223035-AX-94927175 | 4.30 | 5.63 | − 4.266 |
| E3 | PH | 6A | 75 | Xbarc3-AX-94393483 | 7A | 275 | AX-94514902-AX-94757023 | 5.78 | 10.47 | 5.0778 |
| E3 | PH | 5D | 30 | AX-94692056-Xgdm63 | 7B | 265 | AX-95191125-AX-94622790 | 4.10 | 7.96 | − 4.6201 |
| E3 | GWPS | 1D | 225 | Xcfa2147-AX-94730813 | 6D | 30 | AX-94604070-Xcfd49 | 4.33 | 5.87 | 1.1403 |
| E6 | GWPS | 3A | 225 | Xwmc627-Xbarc54.2 | 5B | 75 | AX-94424121-AX-95187492 | 3.05 | 6.24 | 0.4483 |
| E6 | GWPS | 6A | 25 | Xwmc417-AX-95214702 | 7A | 200 | AX-95199741-AX-94883852 | 3.11 | 5.77 | − 0.3858 |
| E4 | TGW | 2B | 175 | AX-95142963-AX-95112013 | 3D | 50 | AX-94519760-Xgwm52 | 4.05 | 8.61 | − 0.8412 |
| E6 | biomass | 5D | 200 | AX-95129923-AX-94411585 | 7A | 250 | Xwmc606.2-AX-94796380 | 3.57 | 7.03 | − 17.716 |
| E1 | GY | 3B | 75 | AX-94462966-AX-94532649 | 7B | 100 | AX-95111977-Xwmc517 | 3.03 | 7.01 | − 24.4711 |
| E3 | GY | 2B | 155 | AX-94493467-AX-94703320 | 5A | 125 | Xgwm304-AX-94920631 | 4.17 | 11.26 | − 26.538 |
| E3 | GY | 5D | 25 | AX-94692056-Xgdm63 | 7B | 265 | AX-95191125-AX-94622790 | 5.38 | 4.01 | − 25.244 |
| E1 | HI | 4A | 75 | AX-94543483-AX-95096811 | 4D | 25 | AX-95257633-Xcfd23 | 3.24 | 6.28 | − 0.0183 |
| E2 | HI | 5D | 250 | Xcfd26-Xcfd8 | 7A | 275 | AX-94514902-AX-94757023 | 4.06 | 5.79 | 0.0467 |
1) AAij, epistatic effects), Position of QTL located on chromosome: as cM distance from the top of each map.
LOD, A LOD threshold of 3 was used for declaration of QTL,
PVE (%), Phenotypic variance explained by QTL.
Location code; E1-Delhi rainfed (2016–17), E2-Delhi irrigated (2016–2017), E3-Indore restricted irrigation (2016–2017), E4-Powarkheda rainfed (2016–2017), E5-Delhi rainfed (2017–2018), E6-Delhi irrigated (2017–2018) and E7-Indore restricted irrigation (2017–2018).