Effects of African cassava mosaic geminivirus on the yield of cassava Thresh, J.M. /Fargette, Denis Otim-Nape, G.W. MANIOC PATHOLOGIE VEGETALE VIRUS VECTEUR INSECTE NUISIBLE SYMPTOME PRODUCTION VEGETALE COMPETITION RESISTANCE DE L'HOTE ETUDE COMPARATIVE 1994 text https://www.documentation.ird.fr/hor/fdi:010022175 fdi:010022175 Thresh J.M., Fargette Denis, Otim-Nape G.W.. Effects of African cassava mosaic geminivirus on the yield of cassava. 1994, 34 (1), 26-42 EN AFRIQUE CAMEROUN CONGO COTE D'IVOIRE KENYA MADAGASCAR MALAWI NIGERIA TANZANIE TOGO OUGANDA ZAIRE ZANZIBAR