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Aim: Worldwide mungbean farming is seriously threatened by the fungal disease Cercospora canescens, which causes Cercospora leaf spot and severe yield losses. This study evaluated the effectiveness of fungicides, botanicals, and bioagents in vivo with the goal of developing an efficient management approach for Cercospora leaf spot. Study Design: Randomized block design with ten treatments and three replications. Place and Duration of Study: Department of Plant Pathology, ANDUA&T Kumarganj, Ayodhya (U.P.) India located at latitude 26.47 0N, longitude 82.12 0E and altitude 113m above the sea level during kharif season, 2019. Methodology: The antifungal capabilities of botanical extracts were studied, the pathogen-growth-inhibiting capacity of fungicides was tested, and the potential for bio-agents to suppress the course of disease was analyzed. The effectiveness of plant extracts, including Neem leaf extract, Onion, Garlic clove extract, Tulsi, and Ginger was assessed at a concentration of 10%, against Cercospora canescens. Results: Ten per cent concentration was found most effective in vitro was further tested in vivo at 30 days and 45 days after sowing. Neem leaf extract, Onion, Garlic clove extract, Tulsi, and Ginger @ 10% against Cercospora canescens Conclusion: It is very clear from the present studies that the plant extracts which were better in inhibiting the radial growth In vitro also showed reduction in disease incidence and per cent disease control was also higher In vivo condition.
Raghuvanshi et al. (2024) studied this question.