Fecha de publicación: -- Fuente: WIPO "tomato" The present invention relates to a specific genetic sequence, whose presence in Solanaceae plant genome confers an improved resistance to infections caused by some viruses belonging to the "Tospovirus" family. In particular, the described genetic sequence confers an improved resistance to some viral strain, such as Groundnut RingSpot Virus (GRSV) and Tomato Chlorotic Spot Virus (TCSV).