The experiment was conducted with 6 genotypes of Indian mustard (Brassica juncea L.) viz RH-0116, RH-725, RH-923, RH-1019, RH-1077, RH-1301 for three dates of sowing 23 September, 16 October and 21 November in the field in randomized block design during rabi season of 2015-16 at Oil Seed Section, Chaudhary Charan Singh Haryana Agricultural University, Hisar with an objective was to study the changes for the physiological traits like water potential, osmotic potential, relative water content, relative stress injury, canopy temperature depression and chlorophyll a fluorescence and biochemical traits like proline and glycine betaine content. | Physiological and biochemical responses of Indian Mustard Brassica juncea L. genotypes to different sowing dates