O Impacto Económico de Variedades de Mandioca Tolerantes à Doença da Podridão Radicular sobre a Segurança Alimentar no Litoral de Moçambique
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This paper begins with a brief description of the importance of cassava in Mozambique, the
incidence and consequences of brown streak, and the scope of the NGO Save the
Children/U.S. program to propagate brown streak tolerant cassava planting material that is
largely responsible for the dissemination of Nikwaha. Benefits are discussed extensively; a
reasonable and conservative estimate of the per plant benefits of Nikwaha is the key
parameter in the analysis. The early acceptance of Nikwaha is reviewed, and its diffusion
over time is projected. The intervention is cast as a project and is appraised in the setting of a
cost-benefit analysis. In the conclusions, we examine the limitations of our calculation on
economic impact, identify areas for research, evaluate the prospects for more investment in
extension, and draw lessons from Save the Children’s Nikwaha experience.