| Summary: | Yields and Adoption Mechanisms of Improved Plant Material: Case of Cocoa Crop in the Center-Cameroon. In this article, we estimate the impact of improved cocoa trees plant material in the Center region of Cameroon. We use a non-experimental method based on the techniques of propensity score matching. The data used for this project result from a face-to-face survey. One hundred cocoa producers were contacted between December 2014 and February 2015. This survey reveals that the use of improved plant material has a statistically significant positive effect on the yield. The results also clarify the micro-economic challenges in the adoption of this improved plant material. The limitations they impose are discussed at two levels: first, the possible consequences of the increase of the yield on farmer income and thus on their social status in the long run; second, the need to renew the innovation models that involve many stakeholders to provide plant materials adapted to each context and remove the constraints to their adoption.
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