Twenty five diverse genotypes of brinjal (Ten hybrids and fifteen open pollinated varieties) were evaluated for 20 different quantitative, qualitative and biotic stress traits in the experimental field of Division of Vegetable Science & Floriculture, FOA, Chatha, SKUAST, Jammu during 2013-14 and 2014-15. The genotypes were grouped into six diverse clusters on the basis of D2 statistics. The clustering pattern suggested no association between genetic diversity and geographical diversity. Cluster VI accommodated maximum number of genotypes (7), followed by cluster III (5), cluster IV (4) and cluster V (4). Cluster III had maximum intra cluster distance (12.636), followed by cluster II (7.303) and cluster I (6.044), suggesting considerable genetic divergence among the genotypes of the respective clusters and the genotypes from within the clusters can be chosen as parents for any hybridization programme. The inter-cluster distance depicts greater divergence among the clusters and maximum inter-cluster was recorded between cluster IV and cluster VI (53.430) followed by cluster III and cluster IV (51.078) and cluster I and cluster III (36.610), suggesting greater diversity between genotypes belonging to respective pairs of clusters. For cluster mean values, the genotypes in cluster IV were having highest values for days to 50 % flowering (55.39), days to first picking (77.14), number of fruits per plant (46.87), number of leaves per plant (56.98), number of primary branches (6.22), marketable yield per plant (1.70), fruit yield per plant (1.92), fruit yield per hectare (202.95), ascorbic acid content (13.55), total phenol content (1.25) and least mean values for shoot borer infestation (8.73), fruit borer infestation (8.06), spider mite infestation (4.51), little leaf incidence (2.60) and phomopsis blight (8.86). Cluster III registered highest mean value for average fruit weight (141.78) and fruit diameter (7.71), cluster VI registered highest mean values for fruit length (18.62) and plant height (90.69), whereas cluster II had least mean value for unmarketable yield per plant (0.11). Five traits namely fruit weight (44.67), ascorbic acid content (37.00), number of leaves per plant (6.33 %), fruit diameter (6.00 %) and fruit length (3.00 %), contributed 97 % towards total genetic diversity.

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