Table 3. Frequencies of homozygous resistant, homozygous susceptible and heterozygous RILs derived from Rusty × PI 192051-1 when tested at the seedling stage with six P. graminis f. sp. tritici (Pgt) races.
| Pgt race | Homozygous resistant | Segregating | Homozygous susceptible | Total | P value for χ2 1HR:1HS |
|---|---|---|---|---|---|
| QFCFC | 81 | 1 | 55 | 137 | 0.06 ns |
| TPMKC | 79 | 3 | 49 | 131 | 0.02* |
| TMLKC | 84 | 5 | 53 | 142 | 0.005** |
| JRCQC | 91 | 23 | 58 | 172 | < 0.00001*** |
| TKTTF | 73 | 35 | 64 | 172 | < 0.00001*** |
| TTKSK | 107 | 7 | 56 | 170 | 0.0003*** |
ns: observed ratio of homozygous resistant (HR) and homozygous susceptible (HS) RILs is not significantly different than the ratio 1HR: 1HS; *, **, ***: Observed ratio of HR and HS RILs is significantly different from the ratio 1HR: 1HS at 95%, 99%, and 99.9% level of confidence, respectively.