Indications are that fellow farmers are the most important sourceof information for small-scale farmers in many parts of Africa. This suggests that it is fair toassume that the use of influential farmers or opinion leaders can significantly contribute towardsan increased diffusion effect.However, there is also evidence suggesting that the “trickle-down” of information andinfluence does not always occur to a significant degree (Chege et al, 1976). This has led toseveral studies into the nature and role of the phenomenon of opinion leadership in differentcultures in Africa. The findings presented lead to a reassessment of the use of opinion leaders inpromoting the diffusion of innovations.

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