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Abstract
This study investigates the development of an in vitro system for callus induction, root-like protrusion formation, and plant regeneration in Orobanche crenata, a parasitic plant of economic significance to legume crops. The research aims to establish a controlled environment for studying O. crenata biology and physiology independent of host plants, offering insights into its growth dynamics and potential applications in parasitic weed management. Various culture media and growth regulators were tested to optimize conditions conducive to callus initiation and subsequent differentiation. Results demonstrate that B5 medium supplemented with gibberellic acid (GA) at 20 mg L-1 effectively induces callus formation and supports the development of root-like structures, crucial for further studies on host-parasite interactions and potential therapeutic applications.