Field trial was conducted to test the efficacy of seven different fungicides (Difenoconazole, Propiconazole, Hexaconazole, Melodyduo, Propineb, carbendazim, and Ridomil), four plant extracts (Tea, Garlic, Onion and Neem leaf extract) and four bio-control agents (T. viride, Pseudomonas fluorescence, Streptomyces graseoviridis and Bacillus substilis) in controlling of early blight of potato. These antifungal compounds were applied 4 times at 7days interval...