Table 2. Mildew reactions and segregation ratios of F2 plants and derived F3 lines following inoculation with Bgt isolate E09.
| Parent or cross | No. of plants or lines | Expected | ?2 | P | |||
| Resistant | Segregating | Susceptible | ratio | ||||
| CH7086 | P1 | 19 | |||||
| SY95-71 | P2 | 15 | |||||
| CH5241 | P3 | 13 | |||||
| Taichung 29 | P4 | 13 | |||||
| Jintai 170 | P5 | 17 | |||||
| CH7086/Taichung 29 | F1 | 11 | |||||
| F2 | 88 | 26 | 3∶1 | 0.292 | 0.589 | ||
| F2:3 | 25 | 52 | 27 | 1∶2∶1 | 0.077 | 0.962 | |
| CH7086/SY95-71 | F1 | 7 | |||||
| F2 | 118 | 42 | 3∶1 | 0.133 | 0.715 | ||
| CH5241/CH7086 | F1 | 21 | |||||
| F2 | 111 | 43 | 3∶1 | 0.701 | 0.402 | ||
| F2:3 | 38 | 76 | 34 | 1∶2∶1 | 0.324 | 0.850 | |
| CH7086/Jintai 170 | F1 | 9 | |||||
| F2 | 149 | 40 | 3∶1 | 1.483 | 0.223 | ||
| Pooled F2 data | 466 | 151 | 3∶1 | 0.091 | 0.763 | ||
| Pooled F2:3 data | 63 | 128 | 61 | 1∶2∶1 | 0.095 | 0.953 | |
Values for significance of χ 2 at P = 0.05, and 3.83 for 1 df and 5.99 for 2 df, respectively.