Gian Franco Marceddu is a guardian farmer from Ussassai who dedicates himself with passion to the protection of the Trempa Orrùbia Apple, a traditional apple of the Sardinian hinterland. By cultivating and carefully selecting this variety, Gian Franco contributes to preserving a distinctive element of the local plant biodiversity, keeping alive the genetic characteristics and flavors linked to the agricultural history of the area. His commitment testifies to the importance of safeguarding rare plant resources that enrich the cultural and food landscape of Sardinia.