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The study was carried out to evaluate the efficacy of fungicides and bio-agents against the leaf and neck blast disease in paddy during Kharif season of 2013-14. Among the evaluated fungicides and bio-agents, Tricyclazole 75% WP was effectively manage the incidence of leaf and neck blast (16.3 and 21.22 %, respectively) and found most economical fungicide among all treatments with highest yield (35.61q/ha) and B: C ratio (1: 2.03), maximum reduction of leaf and neck blast (66.61 and 43.15 %, respectively) followed by Tebuconazole 25.9% EC and combination of Tebuconazole 50% EC + Trifloxystrobin 25% WG. | Efficacy of fungicides and bio-agents against Pyricularia gresia in paddy and yield gap analysis thought frontline demonstration