| Physiological traits | F2 generation | No. of F2 plants | Genetic ratio tested | χ2 | ||
| T | S | Total | ||||
| Fv/Fm value | Pq72/Pq1192 | 31 | 9 | 40 | 3:1 | 0.133ns |
| Pq1192/Pq72 | 12 | 28 | 40 | 1:3 | 0.533ns | |
| Leakage | Pq72/Pq1192 | 30 | 10 | 40 | 3:1 | 0ns |
| Pq1192/Pq72 | 12 | 28 | 40 | 1:3 | 0.533ns | |