Korean Journal of Breeding Science :eISSN 2287-5174 / pISSN 0250-3360

Table. 3.

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 aphidz Expected ratio χ2 df P
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.
Korean J. Breed. Sci. 2020;52:354-61 https://doi.org/10.9787/KJBS.2020.52.4.354
© 2020 Korean J. Breed. Sci.