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Resumo

A crucial issue in the theory of technological change—the transformation of knowledge into commodities in agriculture—is examined through the role that technoscience played in the transformation of rapeseed (Brassica campestris and B. napus) from a minor crop used largely for marine lubricants into a major global competitor in edible oil markets. The study is based on a content analysis of the worldwide bibliography of rapeseed. A network approach is used to show that emergence and successful development of the rapeseed commodity subsector included three simultaneously occurring and interacting developments: production of new knowledge, modification of commodities, and extension of rapeseed production networks. Implications of the network approach for the analysis of agricultural development are discussed.

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