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Rice (Oryza sativa L.) is the major staple food for nearly one half of the world’s population (Dobermann and Fairhurst, 2002). India had an area of over 45.0 million hectare under rice, producing over 200 million tonnes of paddy in 2015. Total production of rice during 2019-20 is estimated at record 116.42 million tonnes (Welfare and Welfare, 2019). Moreover, in world production of rice was 500.8 in 2019-2020 (FAO, 2020). Rice crop occupied 31.03 lakh hectares in Punjab with total production of 191.36 lakh tonnes (128.2 lakh tonnes of rice) during 2018-19. The rice blast (Pyricularia oryzae) has been reported as the most destructive disease, causing losses worth of multi-million dollars, each year (Dean et al., 2012). Varied types of symptoms, such as leaf blast, nodal blast, collar rot, neck rot, and panicle rot, have been named based on plant parts infected. Furthermore, human exposure to pesticides may cause poisoning and harmful sideeffects to vital organs and/or biological processes (Law et al., 2017; Raman and Muthukathan, 2017). Pesticide poisoning is a significant occupational health hazard in Rice blast disease are a serious and recurrent problem in all rice-growing regions of the worldwide, and the disease is extremely difficult to control. Rice blast caused by Pyricularia oryzae and it is control by two methods i.e. chemical control and biological control. The present study was aimed to explore the potential of bacterial consortia that may control rice blast disease on rice plants. In this study, the rice blast disease has control by the various bacterial cultures and their consortium i.e. Bacillus subtilis, bacillus cereus, streptomyces griseocarneus, streptomyces albidoflavus, and combination for their suppression ability against P. oryzae under in-vitro conditions and green house in GKU campus. The results showed that streptomyces albidoflavus (A1) and combination of streptomyces albidoflavus, Bacillus subtilis and bacillus cereus (A1 + A3 + A4) significantly reduced the mycelial growth of P. oryzae with the percentage inhibition of 55.3%24.3% and 90.0%-89.0%, respectively. K e y w o r d s

Biological Control of Rice Blast Disease (Pyricularia oryzae) using Bacterial Consortia Formulation in Malwa Region (Punjab)