Segregation of F2 plants for resistance to the foxglove aphid in two populations of Deapung×IT104704 and Deapung x IT188389 crosses.
Cross combination | Response to aphid |
Expected ratio | df | |||
---|---|---|---|---|---|---|
Resistance | Susceptible | |||||
Deapung×IT104704 | 128 | 55 | 3:1 | 2.4360 | 1 | 0.114300 |
Deapung×IT188389 | 154 | 83 | 3:1 | 12.6934 | 1 | 0.000367 |
zResistant: damage grade 1 and 3, Susceptible: damage grade 5, 7 and 9.