 Repatriate plant genetic material, go back to seeds 
This article is about the repatriation of landraces from global gene banks to the Indigenous and local communities who have domesticated, selected and eventually continue to cultivate the germplasm conserved in these institutions. Over the past 25 years, various actors have mobilized for the recognition of this terminology, repatriation, despite the cautiousness of the relevant international institutions (TIRPAA, CDB, CGIAR and its centers). We propose to analyze this process in terms of scientific controversy in which context, the various actors have opened up a space for dialogue and negotiation around the governance of plant genetic resources at different scales (global, national, local). Much of the thinking revolves around the pioneering potato case, but it is not limited to it. We are interested in how these debates contribute to the deconstruction of the global commons constituted for plant genetic resources for food and agriculture at a global scale through a double process of reterritorialization and rematerialization, which advances the return of seeds anchored materially and territorially but also historically and culturally.