Table 2 Details of the QTLs identified for straw and seed N content and their stress tolerance and susceptibility indices (STI and SSI) under no external N supply (NN) and optimal N (NP) supply in a recombinant inbred mapping population derived from IR64 and N22
Trait | Chromosome | Position (cM) | Physical Interval (Mb) | Size of the QTL region (Kb) | LOD | Additive effect | Phenotype variance explained (%) | Favourable QTL allele from | |
|---|---|---|---|---|---|---|---|---|---|
Straw_NN | 10 | 86.21 | 16.94 | 17.71 | 769.74 | 3.72 | 0.05 | 6.7 | IR64 |
Seed_NP | 1 | 67.51 | 4.51 | 4.58 | 70.79 | 3.50 | 0.07 | 5.8 | IR64 |
1 | 342.51 | 37.37 | 37.88 | 513.10 | 4.07 | −0.09 | 7.1 | N22 | |
Seed_NN | 1 | 343.61 | 37.88 | 39.60 | 1719.29 | 3.43 | −0.07 | 5.6 | N22 |
6 | 113.11 | 10.18 | 10.34 | 158.56 | 11.07 | 0.12 | 22.3 | IR64 | |
6 | 118.71 | 10.96 | 11.02 | 66.35 | 8.61 | 0.11 | 17.7 | IR64 | |
Seed_SSI | 6 | 167.51 | 19.66 | 20.38 | 715.09 | 4.20 | −0.17 | 8.5 | IR64 |
Seed_STI | 1 | 51.11 | 3.46 | 3.50 | 41.10 | 3.05 | 0.08 | 4.9 | IR64 |
1 | 343.51 | 37.37 | 37.88 | 513.10 | 4.31 | −0.11 | 7.1 | N22 | |
6 | 113.11 | 10.18 | 10.34 | 158.56 | 10.30 | 0.17 | 20.6 | IR64 | |
6 | 126.71 | 11.27 | 11.48 | 212.79 | 5.91 | 0.13 | 11.3 | IR64 | |
4 | 295.71 | 34.36 | 34.41 | 52.97 | 4.54 | 0.14 | 7.7 | IR64 | |