Varietal characterization of urdbean for distinctiveness, uniformity and stability

Morphological characterization of urdbean varieties is essential for their protection under Plant Variety Protection (PVP) legislation, because varietal testing for Distinctness, Uniformity and Stability (DUS) are the basis for granting protection of new variety under PPV&FR Act, 2001. Keeping this in view, a total of 46 released varieties of urdbean were grouped for various agro-morphological descriptors. All the varieties showed similar expression for each character over the years depicting the stability of varieties. None of the attribute showed intra-varietal variation. On the basis of 21 descriptors, varieties were grouped into different categories for each character and may be used as reference varieties.