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2. Davis, J.R. 1977. Rhizoctonia disease of potato and its control. Univ of Idaho College of Agric CIS Bull No. 381.
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4. Davis, J.R. and M.D. Groskopp. 1974. Influence of the rhizoctonia disease and seedpiece spacing on tuber size. Am Potato J (Abstr). 51: 304.
5. Davis, J.R.,.D. Groskopp, and R.H. Callihan. 1971. Seed and soil treatments for control of rhizoctonia on stems and stolons of potato. Plant Dis Rep 55: 550–554.