The Sub‑Union of Plant Breeders (Bitki Islahçıları Alt Birliği, BİAB) is an association in Turkey that brings together professional plant breeders and researchers working in agriculture, crop improvement, and seed development. The Bitki Islahçıları Alt Birliği (BİAB) promotes collaboration, knowledge sharing, and best practices in plant breeding, supporting innovation, sustainable crop production, and the development of high-quality seeds. It also organizes seminars, workshops, and training programs for members and stakeholders in the agricultural sector.