Note: As in cherry, ring nematodes can increase the susceptibility of peach trees. The cultivar Rochester is very susceptible to canker.
Reference Cao, T., McKenry, M.V., Duncan, R.A., DeJong, T.M., Kirkpatrick, B.C., and Shackel, K.A. 2006. Influence of ring nematode infestation and calcium, nitrogen, and indoleacetic acid applications on peach susceptibility to Pseudomonas syringae pv. syringae. Phytopathology 96:608-615.