Table 3.
Epistatic interactions observed for morphophysiological and yield-related traits.
| Trait | Condition | First chromosome | Position1 (cM) | Left marker 1 | Right marker 1 | Second chromosome | Position2 (cM) | Left marker 2 | Right marker 2 | LOD | PVE (%) | Add-by-adda |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Anet | WW | 1 | 115 | S1_3798004 | rs128441140 | 3 | 350 | rs129555629 | S3_183844216 | 5.08 | 17.60 | 3.56 |
| Anet | WW | 2 | 365 | rs727228961 | rs276685886 | 3 | 635 | S3_2276048 | S3_89193637 | 5.91 | 16.71 | -3.90 |
| gs | WW | 6 | 40 | S6_177038002 | S6_148279548 | 7 | 120 | rs130642102 | rs836234066 | 5.32 | 16.60 | 0.05 |
| gs | WW | 7 | 270 | S7_11679195 | rs130488903 | 8 | 250 | rs814260212 | S8_73973624 | 5.48 | 18.05 | 0.05 |
| TR | WD | 2 | 265 | rs131971876 | rs129196105 | 7 | 365 | S7_131791490 | S7_136261108 | 5.79 | 29.55 | 0.63 |
| LT | WD | 4 | 60 | S4_166565742 | S4_182462050 | 6 | 170 | rs55624911 | rs130311785 | 5.22 | 34.85 | -0.60 |
| ASI | WD | 2 | 640 | S2_221752549 | rs833320055 | 3 | 270 | rs839843727 | rs277263572 | 5.86 | 24.89 | 0.31 |
| ASI | WD | 1 | 25 | S1_302248506 | S1_302412690 | 3 | 210 | rs131368069 | rs132076316 | 5.00 | 20.18 | 0.27 |
| CW | WD | 2 | 60 | rs129243511 | S2_229825946 | 8 | 220 | S8_145945904 | S8_148216407 | 5.13 | 37.43 | 7.58 |
| TB | WD | 5 | 270 | rs129997839 | rs130004128 | 5 | 295 | S5_24426031 | S5_29004727 | 5.10 | 22. 50 | -24.04 |
| TB | WD | 2 | 55 | rs129234757 | rs129243510 | 5 | 255 | S5_9853336 | S5_10571036 | 5.19 | 18.89 | -18.16 |
cM, centimorgan; Anet, net CO2 assimilation rate (μmol CO2 m–2 s–1); gs, stomatal conductance to water vapor (mol m–2 s–1); TR, transpiration rate (mmol H2O m–2 s–1); LT, leaf temperature (°C); ASI, anthesis-silking interval (days); CW, cob weight (g/cob); TB, total biomass (g/plant); WW, well-watered conditions; WD, water-deficit conditions; LOD, logarithm of the odds ratio, where the threshold value was ≥ 5; PVE(%), total phenotypic variance in percentage explained by the QTL; add-by-adda, additive-by-additive effect; negative additive effect value indicates the direction of favorable allele from donor parent; QTL, quantitative trait locus.