1. Ayers, G. W. and R. R. Hurst. 1939. Verticillium wilt of potato in P.E.I. Sci. Agr. 19: 722–735.
2. Ayers, G. W. 1961. The susceptibility of potato varieties to wilt caused byVerticillium albo atrum. Can. Plant Dis. Survey 41: 172–173.
3. Edgington, L. V. 1962. Influence of Connecticut temperatures on the relative pathogenicity of Maine and ConnecticutVerticillium isolates. Amer. Potato J. 39: 261–265.
4. Gratz, L. O. 1930. Disease and climate as pertainning to the Florida and Maine potato sections. Phytopath. 20: 267–288.
5. Keyworth, W. G. 1952.Verticillium wilt of potato in Connecticut 1951. Plant Disease Reptr. 36: 16–17.