The response to mildew of a range of Malus species is tabulated. Crosses of M. robusta and M. zumi with cultivated apple showed clear segregation in 1:1 ratios of field immune: susceptible plants. Crosses of resistant selections of M. platycarpa and M. hupehensis with cultivated apple gave only immune progeny in F 1
No takes yet. Share an insight, caveat, or question.
Knight et al. (1968) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: