1. Allen, E. J., 1978. Plant density. In: P. M. Harris (Ed.), The potato crop. The scientific basis for improvement. Chapman & Hall, London, pp. 278–326.
2. Banville, C. J., 1976. Yield losses and damage to potato plants caused byRhizoctonia solani on potato tubers.Am. Potato J. 53: 399.
3. Bolkan, H. A., 1976. Seed tuber treatment for the control of black scurf disease of potatoes.N. Z. Jl expl Agric. 4: 357–361.
4. Castanho, B. & E. E. Butler, 1975. A transmisible and infectious disorder ofRhizoctonia solani.Proc. Am. Phytopath. Soc. 2: 112 (abstr.)
5. Chand, T. & C. Logan, 1982. Reaction of ten potato cultivars to stem canker and black scurf of potato caused byRhizoctonia solani.Ann. appl. Biol. 100 (Suppl. 3) 102–103.