Table 3.
QTLs detected for five grain size traits in F2 and F2:3 populations
| Trait | QTL | Chr. | Interval | F2 | F2:3 | ||||
|---|---|---|---|---|---|---|---|---|---|
| LOD | A | R2 (%) | LOD | A | R2 (%) | ||||
| GL | qGL1 | 1 | RM7341–RM128 | 4.55 | −0.142 | 8.77 | 4.35 | −0.144 | 9.13 |
| GL | qGL2 | 2 | RM12924–RM5812 | 4.20 | −0.120 | 6.90 | 3.81 | −0.123 | 7.09 |
| GL | qGL7 | 7 | RM500–RM429 | 7.34 | −0.190 | 16.30 | 6.15 | −0.180 | 15.09 |
| GL | qGL8 | 8 | RM408–RM3702 | 2.82 | −0.066 | 5.13 | 2.65 | −0.060 | 4.85 |
| GW | qGW3 | 3 | RM3199–RM3684 | 2.55 | −0.047 | 5.77 | |||
| LWR | qLWR1 | 1 | RM7341–RM128 | 2.92 | −0.051 | 7.55 | 2.81 | −0.050 | 7.40 |
| LWR | qLWR2 | 2 | RM12924–RM5812 | 2.69 | −0.040 | 5.02 | 2.74 | −0.043 | 5.68 |
| LWR | qLWR8 | 8 | RM3845–RM6948 | 2.52 | −0.038 | 4.72 | |||
| GT | qGT6 | 6 | RM7158–RM276 | 4.26 | 0.021 | 5.68 | 4.96 | 0.032 | 6.25 |
| GT | qGT8 | 8 | RM3845–RM6948 | 2.59 | 0.024 | 7.41 | |||
| TGW | qTGW2 | 2 | RM6307–RM5807 | 2.57 | −0.072 | 7.06 | 2.54 | −0.070 | 6.75 |
| TGW | qTGW7 | 7 | RM500–RM429 | 4.56 | −0.070 | 9.97 | 3.74 | −0.061 | 6.65 |
GL grain length (mm), GW grain width (mm), LWR the ratio of grain length to grain width, GT grain thickness (mm), TGW thousand grain weight (g). A, Additive effect of QTL Positive value and negative value of additive effects represented the Nipponbare and IL188 alleles, respectively. R, variance explained by the QTL