The Serelis B variety was developed through the ResDur3 breeding program led by INRAE. Serelis B has very good resistance to downy mildew, total resistance to powdery mildew, and limited partial resistance to black rot. The variety has high yield potential and produces large clusters. Wines made from this variety are balanced, with a light bouquet, harmonious acidity, and pleasant freshness. The variety is suitable for producing sparkling wines or fortified wines.