TY - BOOK AU - Gregory, P H., ed. AU - Maddison, A C TI - Epidemiology of phytophthora on cocoa in Nigeria SN - 0851984789 U1 - 633.7494/GRE PY - 1981/// CY - Surrey PB - Commonwealth Mycological Institute KW - Nigeria KW - Phytophthora pod rot of cacao ER -