By referring to the developments of transition theories, this paper analyse the innovation pathways involving the wheat-bread value chain in Tuscany (Italy). The analysis sheds light on the relevance of the nature of social innovation carried out by grassroots initiatives in their pursuing radical change aimed at deeply redefining production-consumption practices through social interaction, to meet socially shared needs and achieving several social benefits.

Looking at local learning capacity and systems of relations can help to understand the potential to develop innovation within a specific context. This work contributes to the definition of new actors who are developing innovation for sustainability in rural areas. The study focuses on the knowledge systems of farmers who are applying alternative breeding strategies: it uses a network approach to explore the knowledge system in which individual farmers are embedded in order to understand their specific relational features.