Table 3.
Parameters of QTLs for fruit traits and powdery mildew disease index in the F2 population
| QTL | Trait | Triala | LG | Peakb | Flanking markers | LOD | ac | d | d/a | PVE %d | Supports previous QTLs |
|---|---|---|---|---|---|---|---|---|---|---|---|
| qFW5 | FW | March | 5 | 45.0 | CMAGN52–CMGAN3 | 4.02 | −104.01 | −21.72 | 0.21 | 9.63 | Yes |
| qFW11 | FW | April | 11 | 13.0 | CMTC160a+b–CMBR132 | 7.04 | 180.65 | −24.99 | −0.14 | 13.70 | Yes |
| qFD5 | FD | March | 5 | 36.3 | CMAGN52–CMGAN3 | 3.53 | −0.51 | −0.02 | 0.05 | 8.50 | |
| qFD11 | FD | April | 11 | 14.0 | CMTC160a+b–CMGAN12 | 6.35 | 0.91 | −0.08 | −0.09 | 12.44 | Yes |
| qFL2 | FL | March | 2 | 8.0 | CSJCT64–GCM548 | 5.20 | 0.96 | 0.05 | 0.05 | 14.08 | Yes |
| qFL7 | FL | March | 7 | 15.1 | CM26–CMBR21 | 3.63 | 0.68 | 0.20 | 0.29 | 10.49 | Yes |
| qFL7 | FL | April | 7 | 7.7 | CM26–CMBR21 | 4.21 | 0.82 | −0.24 | −0.29 | 10.67 | Yes |
| qFL8 | FL | March | 8 | 47.3 | CMBR22–CSWCT30 | 3.83 | 0.53 | 0.74 | 1.40 | 9.94 | Yes |
| qFT5 | FT | April | 5 | 14.0 | GCM262–ECM92 | 4.19 | −0.20 | 0.15 | −0.74 | 9.89 | Yes |
| qFT11 | FT | April | 11 | 52.0 | CMTC160a+b–CMBR132 | 4.86 | 0.22 | −0.16 | −0.71 | 11.32 | |
| qFT12 | FT | March | 12 | 0.0 | CMTCN14–CMBR40 | 3.17 | −0.20 | 0.03 | −0.17 | 8.92 | Yes |
| qFT12 | FT | April | 12 | 8.4 | CMTCN14–CMBR40 | 4.19 | −0.20 | 0.15 | −0.83 | 9.89 | Yes |
| qND2 | ND | April | 2 | 11.0 | CSJCT641–GCM548 | 8.79 | −0.71 | 0.59 | −0.84 | 17.17 | Yes |
| qND4 | ND | April | 4 | 19.0 | GCM246–GCM336 | 8.88 | 0.80 | −0.14 | −0.18 | 15.01 | |
| qND6 | ND | March | 6 | 12.0 | ECM135–CSN166 | 3.38 | −0.66 | 0.42 | −0.64 | 8.14 | |
| qND7 | ND | April | 7 | 3.0 | CM26–CMTCN30 | 6.84 | −0.61 | 0.63 | −1.03 | 15.37 | |
| qNW2 | NW | March | 2 | 0.0 | CSJCT641–GCM331 | 3.76 | −0.20 | −0.34 | 1.70 | 11.16 | |
| qNW2 | NW | April | 2 | 9.0 | CSJCT641–GCM331 | 8.96 | −0.44 | 0.24 | −0.55 | 14.69 | |
| qNW4 | NW | April | 4 | 19.0 | GCM246–CMAGN73 | 11.05 | 0.48 | −0.08 | −0.17 | 19.55 | |
| qNW6 | NW | March | 6 | 8.0 | ECM135–ECM52 | 4.56 | −0.34 | −0.02 | 0.06 | 12.36 | |
| qNW7 | NW | March | 7 | 14.1 | CM26–CMBR21 | 5.73 | −0.36 | −0.06 | 0.17 | 14.27 | |
| qNW7 | NW | April | 7 | 10.0 | CM26–CMBR21 | 6.08 | −0.30 | 0.27 | −0.90 | 12.09 | |
| qPM2 | PM | April | 2 | 2.7 | CSJCT358–CMBR120 | 67.88 | 1.82 | −1.28 | −0.70 | 75.85 | Yes |
FW fruit weight; FD fruit diameter; FL fruit length; FT flesh thickness; ND netting density; NW netting width; PM disease index for powdery mildew (Podosphaera xanthii race 1)
a Trials 1 and 2 were completed in March and April, 2009, respectively
b Peak position of the significant QTL
c Direction of additive effects from ‘Bai-li-gua’. d/[a] indicates degree of dominance
d Phenotypic variance explained by an individual QTL