Table 5.
Quantitative trait loci (QTL) for grain yield (YLD), plant height (PH), heading time (HT), thousand kernel weight (TKW), grain length (GL), grain width (GW), grain area (AREA) in the Liberdur x Anco Marzio RILs mapping population evaluated at Valenzano (Bari, Italy) for three years.
| Trait | QTL | Linkage Group | Left Marker |
Right Marker |
Interval (cM) |
Years | Across Years | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2016 | 2017 | 2018 | |||||||||||||||
| P | Add | R2 (%) | P | Add | R2 (%) | P | Add | R2 (%) | P | Add | R2 (%) | ||||||
| YLD | QYLD.mgb-2A | 2A | IWB70473 | IWB70098 | 34.4–35.6 | 36.5 | 1.04 | 67.9 | - | - | |||||||
| QYLD.mgb-7B | 7B | IWB16239 | IWB35358 | 41.5–46.7 | - | - | 3.7 | −0.24 | 11.9 | ||||||||
| HT | QHT.mgb-2A | 2A | IWB70473 | IWB70098 | 34.4–35.6 | 69.7 | 8.66 | 85.7 | 50.4 | 5.78 | 75.7 | 44.6 | 3.00 | 74.3 | 62.4 | 5.79 | 82.9 |
| QHT.mgb-7A | 7A | IWB7484 | IWB10719 | 55.7–64.8 | - | 3.8 | 1.05 | 2.5 | 2.8 | 0.53 | 2.4 | 3.1 | 0.82 | 1.7 | |||
| PH | QPH.mgb-2B | 2B_2 | IWB42187 | IWB51104 | 14.0–17.1 | - | - | 4.3 | −1.87 | 10.3 | 5.8 | −1.56 | 11.9 | ||||
| QPH.mgb-3A | 3A_1 | IWB71668 | IWB6774 | 57.3–64.0 | 6.2 | 2.09 | 12.8 | - | 3.9 | 1.75 | 9.2 | 5.3 | 1.48 | 10.9 | |||
| QPH.mgb-6B | 6B | IWB42532 | IWB7935 | 4.3–6.8 | 7.9 | −2.45 | 17.5 | - | 3.2 | −1.62 | 7.8 | 5.8 | −1.59 | 12.5 | |||
| QPH.mgb-7A | 7A | IWB43996 | IWB4178 | 88.3–94.7 | - | - | 3.1 | −1.62 | 10.0 | 4.1 | −1.33 | 8.8 | |||||
| TKW | QTKW.mgb-1A | 1A | IWB6172 | IWB21573 | 14.4–20.6 | 2.8 | −0.82 | 2.9 | - | 3.0 | −1.18 | 6.8 | 4.1 | −0.83 | 5.1 | ||
| QTKW.mgb-2A.1 | 2A | IWB70098 | IWB70375 | 35.6–36.4 | 19.6 | −2.52 | 27.1 | 3.5 | −0.81 | 4.7 | - | 5.9 | −1.01 | 7.4 | |||
| QTKW.mgb-2A.2 | 2A | IWB62891 | IWB26699 | 87.5–89.6 | 19.3 | 2.51 | 26.2 | 19.4 | 2.26 | 35.8 | 12.2 | 2.61 | 32.6 | 23.0 | 2.37 | 40.3 | |
| QTKW.mgb-3A | 3A_1 | IWB5723 | IWB25484 | 20.8–21.6 | 5.3 | 1.19 | 5.7 | - | - | 3.0 | 0.71 | 3.6 | |||||
| QTKW.mgb-6B | 6B | IWB26622 | IWB73386 | 87.9–88.3 | 7.5 | −1.42 | 8.5 | - | - | 7.1 | −1.11 | 9.1 | |||||
| GL | QGL.mgb-1B | 1B | IWB67970 | IWB6409 | 45.1–46.7 | 5.8 | −0.09 | 6.4 | - | 8.4 | −0.09 | 9.2 | - | ||||
| QGL.mgb-2A.1 | 2A | IWB70098 | IWB70375 | 35.6–36.4 | 12.7 | −0.13 | 15.1 | - | - | - | |||||||
| QGL.mgb-2A.2 | 2A | IWB62891 | IWB26699 | 87.5–89.6 | 25.5 | 0.21 | 39.1 | 28.2 | 0.24 | 53.8 | 29.8 | 0.21 | 48.8 | 31.6 | 0.24 | 51.2 | |
| QGL.mgb-5A | 5A_1 | IWA4765 | IWB36812 | 36.8–47.3 | 3.8 | −0.07 | 4.8 | - | 4.0 | −0.06 | 4.8 | 2.8 | −0.06 | 2.8 | |||
| QGL.mgb-6B.1 | 6B | IWB27151 | IWA4610 | 3.9–4.3 | 2.6 | −0.10 | 2.6 | - | 4.5 | −0.06 | 4.5 | - | |||||
| QGL.mgb-6B.2 | 6B | IWB19680 | IWB70152 | 89.8–99.1 | - | - | 7.8 | −0.09 | 8.3 | 3.9 | −0.06 | 3.7 | |||||
| GW | QGW.mgb-1B | 1B | IWB34334 | IWB51878 | 47.1–48.4 | 8.1 | 0.10 | 9.3 | 3.9 | 0.10 | 8.4 | 4.8 | 0.10 | 12.7 | 8.8 | 0.04 | 17.0 |
| QGW.mgb-2A.1 | 2A | IWB70098 | IWB70375 | 35.6–36.4 | 26.1 | −0.10 | 42.0 | - | - | 4.6 | −0.03 | 8.4 | |||||
| QGW.mgb-2A.2 | 2A | IWB62891 | IWB25623 | 87.5–93.5 | - | 7.0 | 0.10 | 16.3 | 3.5 | 0.10 | 9.2 | 6.6 | 0.04 | 12.1 | |||
| QGW.mgb-4B | 4B | IWB26975 | IWB17082 | 66.0–70.4 | - | - | 3.0 | 0.10 | 8.0 | - | |||||||
| QGW.mgb-6B | 6B | IWA1254 | IWB42821 | 2.0–2.4 | 3.9 | −0.10 | 4.1 | - | - | - | |||||||
| QGW.mgb-7B | 7B | IWB70613 | IWB69446 | 107.9–108.3 | - | 4.5 | 0.1 | 9.8 | - | 2.7 | 0.1 | 4.7 | |||||
| AREA | QAREA.mgb-2A.1 | 2A | IWB70098 | IWB70375 | 35.6–36.4 | 26.8 | −0.90 | 35.4 | - | - | 6.3 | −0.28 | 6.6 | ||||
| QAREA.mgb-2A.2 | 2A | IWB62891 | IWB26699 | 87.5–89.6 | 21.6 | 0.77 | 25.8 | 26.6 | 0.70 | 47.8 | 19.0 | 0.74 | 43.8 | 28.1 | 0.75 | 44.9 | |
| QAREA.mgb-3A | 3A_1 | IWB5723 | IWB25484 | 20.8–21.6 | 3.1 | 0.26 | 2.8 | - | - | - | |||||||
| QAREA.mgb-4B | 4B | IWB38381 | IWB26975 | 64.7–66.0 | - | 4.8 | 0.24 | 5.6 | 3.2 | 0.26 | 5.4 | - | |||||
| QAREA.mgb-7B | 7B | IWB11767 | IWB68453 | 89.9–99.1 | - | 4.7 | 0.27 | 6.6 | - | 2.6 | 0.19 | 2.8 | |||||
Percentage of the phenotypic variance(R2) and additive effect (Add) are reported in the year and across years when the QTL or suggestive QTL was detected. Suggestive QTL significant at 2.5 ≤ −log10(P) ≤ 3.0 are reported in italic. - Not significant.