@MISC {WILLIAMS:1974f, title = {Comparison of varietal reactions to cowpea anthracnose in field plot and detached petiole in inoculations}, author = {Williams, R. J. }, year = {1974}, howpublished = {Abstracts of papers presented at 66th Annual Meeting of A.P.S. and 40th Session Canadian Phytopathological Society, Vancouver, Canada. p.87}, }