Alessandro Guaraglia is a guardian of the plant biodiversity of Sassari, committed to the conservation of native fruit varieties that constitute the historical agricultural fabric of Sardinia. Among the species he follows with great attention are the Appiu Apple, the Camusina Pear of Sassari, the Miali Apple, and the Cossu Almond. Through a management of cultivation that combines respect for traditional techniques and contemporary sensitivity for the environment, Alessandro contributes to preserving ancient cultivars that remain alive in the rural landscape and in the island's gastronomic memory.