Brassica crops are essential for global agriculture, contributing to food, oil production, and industrial applications. This chapter explores the evolving landscape of seed technology and genetic improvements within Brassica crops. Focusing on both qualitative and quantitative traits, the discussion highlights innovative breeding strategies aimed at enhancing seed health, oil quality, and overall crop yield. Through advanced genetic techniques, such as marker-assisted selection and CRISPR/Cas9, significant strides have been made in improving disease resistance, stress tolerance, and nutrient content. However, challenges persist within the seed technology and oil industries, including issues of seed quality maintenance, genetic diversity, and environmental adaptability. By addressing these challenges and incorporating emerging innovations, the future of Brassica crop improvement holds promising prospects for sustainable agriculture and global food security.