... 1 983 ; Bureau & Ganry, 1 987 ; Bureau et al., 1 982 ) and on results obtained in Gabon with BLSD on plantain (Fouré 1 982 a, 1 982 b, 1 983 , 1 984 , 1 985 ; Fouré & Grisoni, 1 984 , Fouré et al., 1 984 ). ... use of systemic fungicides with a high curative effect (Fouré, 1 988 a, 1 988 b, 1 988 c; Fouré & Mouliom Pefoura, 1 988 ; Fouré & Moreau, 1992). This situation was sustainable for 10 years, ... systemic fungicides in this country. Fungicides for Plant and Animal Diseases 214 For the first time in Central Africa, the BLSD was detected in this area of Ntoum in 1 980 (Frossard, 1 980 )....