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. Genetics of quality traits in eggplant (Solanum melongena L.)Thirty hot pepper genotypes were evaluated to identify the promising genotypes with stable performance both for yield and quality characters under temperate conditions of Kashmir Valley, India. The environments differed significantly from each other for all the characters except ascorbic acid content, indicating the differential effect of each environment. The genotype x environment (linear) component was non-significant for ascorbic acid content and fruit colour, while it was significant for fruit yield and capsaicin, with the linear component having a greater magnitude in most of the characters than the corresponding non-linear component. The magnitude of linear components and the corresponding non-linear components for fruit yield, ascorbic acid content, fruit colour and capsaicin were 76.480, 87.100, 0.440, 0.002 and 50.190, 28.210, 0.250, 0.002, respectively. The estimates of regression coefficient for 30 genotypes ranged from -1.76 to 6.18 for fruit yield, -14.18 to 12.84 for ascorbic acid content, 2.62 to 5.62 for fruit colour and -2.36 to 4.81 for capsaicin. Comparing the mean yield performance among genotypes revealed that SC-108, SC-103, SC-109, SC-107, SC-106, SC-114, SC-291, SC-100 and SC-11 were significantly superior to all other genotypes. Genotypes SC-106 and SC-114 besides having yield potential and superior ascorbic acid content, fruit colour and fruit pungency also exhibited stability. These genotypes would, therefore, be useful for commercial cultivation over a wide range of environments or as elite gene pool in future breeding programmes.Not Availabl