MADUEWESI, Prof. Johnson Nnaebue Chidube

of Nigeria; Nigerian Society for Plant Protection; International Society for Tropical Root Crops, Botanical Society of Nigeria; External Assessor,Ahmadu Bello University, Zaria; University of Ibadan, Ibadan; Obafemi Awolowo University, Ile-Ife; University of Ugos, Ugos; University of Benin, Benin; University of Jos, Jos; University of Port Harcourt, Port Harcourt; Anambra State University of Technology; Chairman, National Universities Commission Accreditation Panel for Biological Sciences, University of Ibadan, 1990; ch: Committee of Deans of Postgraduate Schools in Nigerian Universities, 1990-91; mm: Governing Council, School of Basic Studies, Ugbokolo, Benue State, 1977-78; mm: Governing Board, Cocoa Research Institute of Nigeria, Ibadan, 1976-80; ch: Appointments and Promotions Committee; mm: Governing Council, University of Nigeria, Nsukka, 1980-84; National Universities Commission, Lagos, 1983-86; presd: Nigerian Society for Plant Protection, 1975-76; Editor-in-Chief, Nigerian Journal of Plant Protection, since 1976; ft Nigerian Society for Plant Protection, sc: Anaedo Social Club, hob: reading, gardening, walking, off: Department of Botany, University of Nigeria, Nsukka. res: 308, Marguerite Cartwright Avenue, University of Nigeria, Nsukka. tel: 042-771682.