Table 1. The anthracnose resistance of the parents and F2:3 families.
Parent or cross | No. of plants or lines | Expected ratio | Χ2 | P-value | |||
---|---|---|---|---|---|---|---|
Resistant | Segregating | Susceptible | |||||
Hongyundou | P1 | 30 | |||||
Jingdou | P2 | 30 | |||||
Hongyundou × Jingdou | F1 | 50 | |||||
Hongyundou × Jingdou | F2 | 138 | 44 | 3:1 | 0.029 | 0.864 | |
Hongyundou × Jingdou | F2:3 | 247 | 549 | 296 | 1:2:1 | 4.43 | 0.109 |
The values for the significance of the χ2 tests at P = 0.05 were 3.83 for 1 df and 5.99 for 2 df.