Stefano Puddu is a guardian farmer from Ussassai, dedicated to the cultivation and safeguarding of the Trempa Orrùbia Apple, a traditional fruit variety of the Ogliastra hinterland. In his daily work in the orchards, Stefano takes care of the management of the plants according to methods that respect traditional techniques, thus guaranteeing the continuation of a plant heritage that tells the agricultural history of his community. His activity contributes to contrasting the genetic erosion of this cultivar, protecting a piece of local biodiversity.