IMPACT OF WATER STRESS, CLIMATE CHANGE, AND ADAPTABILITY TRIALS ON YIELD AND QUALITY OF RAPESEED GENOTYPES ACROSS DIVERSE LOCATIONS

Yield and quality of rapeseed (Brassica napus L.) are declining due to climate change and water stress which are major factors affecting the sustainability of agriculture across the world. These abiotic stresses severely affect yield and quality of the crop and thus call for the search for genotypes capable of performing well under different environmental conditions. Ways in which water stress and climate variability influenced general yield and quality of rapeseed genotypes, grown at several places, forming the basis of this research to establish genotypes that could help form the foundation of sustainable agriculture. To compare the genetic variability of the 10 rapeseed genotypes, a multi-location field trial with water at optimal irrigation and water stress levels was used. In the present study, RCBD with three replications was being used. Information on yield components, oil content, and on quality traits were recorded, and then analyzed statistically using analysis of variance (ANOVA) and and genotype by environment interaction (GEI). Multi-environment analysis showed that genotypes performed differently (p