Exogenously Applied Sulphur Improves Growth, Photosynthetic Efficiency, Enzymatic Activities, Mineral Nutrient Contents, Yield and Quality of Brassica juncea L.

Background: Due to increasing domestic and industrial demand, edible oil production is not keeping up with demand. To fill this gap, the productivity of oilseeds can be increased by applying adequate nutrients, particularly sulphur (S), at crucial growth stage. Purpose: The present study aims explore best concentration S for its foliar application on various cultivars mustard. Methods: A factorial randomized pot experiment was conducted investigate role leaf-applied growth, physiobiochemistry, yield quality traits three Brassica juncea L. (mustard). Five levels viz. 0 (water), 15, 30, 45 60 ppm constituted one variant, (Chutki, Nath Sona Rohini) were other variants. sprayed 50 70 days after sowing (DAS). physio-biochemical characteristics studied 90 DAS, attributes 120 DAS (harvest). Results: data indicated that improved all parameters mustard thereafter (at level above S) decreased. Cultivar Sona, followed Rohini Chutki, performed best. Among spray treatment different S, plant dry weight 40.21, 35.65 30.96%, photosynthetic rate 28.27, 27.44 36.29%, pods a 15.23, 12.12 10.80%, seed 7.54, 3.89 4.91%, content 48.70, 46.31 43.15% 24.56, 23.93 22.35% in cultivar respectively, compared their respective water-treated plants. Moreover, examined GC-MS technique components. analysis revealed there 36 compounds non-treated plants 44 treated S. extra resulted from Conclusion: It may concluded two sprays proved effective improving characteristics, mustard, Sona.