1. Adams, M.J., P.J. Read, D.H. Lapwood, G.R. Cayley & G.A. Hide, 1987. The effect of irrigation on powdery scab and other tuber diseases of potatoes.Annals of Applied Biology 110: 287–294.
2. Anonymous, 1999. Agricultural Structure & Production, 1996. Government Statistical Institute, No. 2097, Ankara.
3. Anonymous, 2001. BPC Handbook-Pest & Diseases. British Potato Council, Oxford, 49 pp.
4. Boer, R.F., P.A. Taylor., S.P. Flett., P.R Menman, 1985. Effect of soil temperature, moisture and timing of irrigation on powdery scab of potatoes. In: C.A. Parker, A.D. Rovira, K.J. Moore & P.T.W. Wong (Eds), Ecology and Management of Soilborne Plant Pathogens. American Phytopathological Society, St. Paul, Minnesota, USA, pp. 197–198.
5. Butler, E.J. & S.G. Jones, 1949. Plant Pathology, London. MacMillan & Co Ltd., Edinburgh, 979 pp.