The nature of resistance to Neonectria ditissima in apple species
Dr. Richard Harrison
People Working on Project
Ms. Amanda Karlström
Dr. Charlotte F. Nellist
This BBSRC funded project, in collaboration with Worldwide Fruit, aims to elucidate the genetic basis of resistance to the necrotrophic fungal pathogen, Neonectria ditissima, the causal agent of European apple canker disease. Most modern apple (Malus x domestica) varieties are susceptible and there is poor chemical control of canker in the trees due to the systemic nature of the disease. It has been shown that N. ditissima is often present in the nursery plants from a young age and that both the rootstock and scion can be infected but remain asymptomatic for long periods of time. Previous work in the group has investigated the variation in N. ditissima, specifically exploring the molecular basis of pathogenicity in N. ditissima-Malus interactions.
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