Table 4.
Quantitative trait loci (QTLs) and their main effects from the best-fit models of stepwise analyses for the FIL2 × HAL2 F2 population of Panicum hallii
| Trait | Chr | Peak | 1.5–LOD interval | LOD | a | D | %var | %div |
|---|---|---|---|---|---|---|---|---|
| Tiller height | 2 | 38 | 20–71 | 5.387 | 3.172 | −0.4 | 6.695 | 21.083 |
| Tiller height | 3 | 77 | 73–85 | 9.361 | 4.338 | −2.045 | 12.096 | 28.833 |
| Tiller height | 5 | 140 | 124–148 | 10.731 | 4.43 | 0.436 | 14.057 | 29.445 |
| Number of tillers | 5 | 137 | 126–143 | 4.359 | 2.037 | −0.055 | 8.024 | 105.000 |
| Tiller width | 5 | 127 | 123–139 | 8.386 | 0.163 | 0.025 | 14.863 | 47.246 |
| Leaf length | 3 | 6 | 0–11 | 4.025 | −1.753 | −0.361 | 7.463 | −35.201 |
| Leaf width | 3 | 6 | 0–10 | 5.51 | −0.491 | −0.172 | 9.272 | −33.516 |
| Leaf width | 5 | 129 | 105–154 | 4.915 | 0.43 | −0.28 | 8.223 | 29.352 |
| Flowering time | 3 | 15 | 1–32 | 5.15 | 5.15 | −3.013 | 6.4 | 24.789 |
| Flowering time | 5 | 132 | 119–146 | 9.901 | 5.413 | −1.838 | 7.437 | 26.055 |
| Inflorescence length | 5 | 161 | 93–169 | 5.165 | 1.582 | 0.682 | 9.013 | 111.802 |
| Inflorescence length | 7 | 66 | 55–81 | 4.199 | 0.599 | 1.203 | 7.256 | 42.332 |
| Number of flowers | 3 | 18 | 0–27 | 3.912 | −29.391 | −6.714 | 5.748 | −14.294 |
| Number of flowers | 3 | 80 | 75–91 | 8.919 | 48.727 | −10.939 | 13.787 | 23.698 |
| Number of flowers | 5 | 148 | 136–169 | 6.059 | 42.351 | −1.959 | 9.098 | 20.596 |
| Seed mass | 1 | 83 | 75–90 | 5.506 | −0.046 | 0.014 | 8.629 | 11.220 |
| Seed mass | 2 | 152 | 131–161 | 3.989 | −0.03 | 0.035 | 6.139 | 7.317 |
| Seed mass | 3 | 14 | 9–68.907 | 5.155 | −0.049 | 0.008 | 8.045 | 11.951 |
| Seed mass | 7 | 26 | 15–39 | 4.34 | −0.039 | −0.012 | 6.707 | 9.512 |
| Seed mass | 9 | 19 | 9–47 | 5.633 | −0.047 | 0.008 | 8.842 | 11.463 |
| Sterility | 2 | 65 | 64–71 | 20.06 | −0.1 | 0 | 27.452 | na |
| Sterility | 7 | 29 | 16–39 | 4.89 | −0.101 | 0 | 5.708 | na |
| Sterility | 7 | 83 | 81–84 | 25.352 | −0.107 | 0 | 36.737 | na |
| SPAD | 3 | 1 | 0–13 | 4.073 | −1.425 | −1.339 | 8.724 | na |
| A (μmol CO2 m−2 s−1) | 3 | 94.4 | 89–107 | 3.844 | 2.818 | −1.528 | 8.808 | na |
| gs (mol H2O m−2 s−1) | 3 | 94.4 | 90–106 | 3.969 | 0.014 | −0.009 | 9.076 | na |
| ΦPSII | 3 | 94.4 | 88–107 | 4.54 | 0.035 | −0.017 | 9.564 | na |
| qP | 3 | 95 | 89–141 | 4.30 | 0.068 | −0.025 | 9.157 | na |
Chr, linkage group; Peak, location of the QTL peak; LOD, logarithm of odds; a, additive effect; D, dominance deviation; %var, percent of variance explained; %div, percent of parental divergence explained (only calculated for traits that showed significant differences between FIL2 and HAL2); A, net CO2 assimilation rate; gs, stomatal conductance to water; ΦPSII, quantum yield of PSII; qP, photochemical quenching; na, not applicable.