Around 1890, as a result of the continuing crisis of mulberry growing, on the slopes of the middle and low hills it witnessed the spread of another star of the agricultural landscape nebroideo, ie the core; this crop, already in the past in the territory tortoriciano, thanks to its ease of adaptation to its very dense root system and then act to prevent soil erosion, and of course to its productivity, could worthily replace the cultivation of mulberry. The hazel, extended about 12 thousand hectares and with a vast gene pool, providing prestigious products especially in terms of quality. Among the main cultivars remembers the Curcia, the Cart, the Ghirara, different Minnulare. Widely used in the local bakery, for the preparation of delicious ice cream, frozen desserts and sweets such as the marzipan, the biscuits, nougat and twigs.