A field investigation entitled efficacy of pre and post emergence herbicides against weed flora in onion (Allium cepa L.) was carried out at AICRP on weed management field of Agronomy Department, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola during the Rabi season of 2018-19. | Efficacy of pre and post emergence herbicides against weed flora in onion Allium cepa L. -