The objective of our study is to make a comparative evaluation in a Farmer Field School (FFS) approach between farmers farming practices and conventional practices in order to have convincing arguments to sensitize producers on best cultural practices. Three adapted varieties of cassava (Rendre, Togo blanc and Gabon) were experimented by both practices. The study revealed that the plot of conventional techniques of all the varieties combined yielded an average of 46.9 t / ha of fresh tuber

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... st 23.15 t / ha for traditional cultivation techniques with a very significant difference. In tuber number 5.7 for first plot and 4.4 for second plot with a significant difference. These results show that the Root variety is very sensitive to mosaic (80% incidence) and is rather a tolerant variety, because its yield potential is 50t / ha in the case of conventional cultivation practices. The study revealed that the Togo Blanc variety developed a 100% resistance on both plots and showed a high yield of 50t / ha on the conventional plot.