1. BAKER, K. F. and COOK, R.J. (1974).Biological control of plant pathogens. Freeman & Co., San Francisco.
2. BENNETT, M. (1971). Effect of fungicides on inoculum potential of apple canker disease(Nectriagalligena). Proceedings of the Sixth British Insecticide and Fungicide Conference, Brighton, 98–102.
3. CORKE, A. T. K., HUNTER, T. and Sims, S. L. (1976). Apple canker (caused byNectria galligena). Report of Long Ashton Research Station for 1975, 128.