TAILIEUCHUNG - In-vitro efficacy of fungicides against Alternaria alternata causing blight disease of tomato (Solanum lycopersicum L.)

Tomato is world’s one of the largest growing vegetable crop and ranks first among processing crops. It’s production suffers with many biotic and abiotic factors. Leaf blight disease caused by different species of Alternaria is one of the most dreadful diseases of tomato, causing huge economic losses. The present study was conducted in order to evaluate the efficacy of different fungicides against Alternaria alternata, one of cause for blight disease of tomato. | 2021 10 03 915-920 International Journal of Current Microbiology and Applied Sciences ISSN 2319-7706 Volume 10 Number 03 2021 Journal homepage http Original Research Article https In-vitro Efficacy of Fungicides against Alternaria alternata causing Blight Disease of Tomato Solanum lycopersicum L. Balram Jewaliya1 Chirag Gautam2 C. B. Meena2 Yamini Tak3 S. C. Sharma4 and Karan Singh1 1 Department of Plant Pathology 4Genetics and Plant Breeding College of Agriculture Ummedganj Kota India 2 Plant Pathology Agriculture University Kota India 3 Biochemistry ARS Agriculture University Kota India Corresponding author ABSTRACT Tomato is world s one of the largest growing vegetable crop and ranks first among Keywords processing crops. It s production suffers with many biotic and abiotic factors. Leaf blight Tomato Alternaria disease caused by different species of Alternaria is one of the most dreadful diseases of alternata tomato causing huge economic losses. The present study was conducted in order to Fungicides Percent evaluate the efficacy of different fungicides against Alternaria alternata one of cause for mycelial growth blight disease of tomato. The efficacy of fungicides viz. Propineb 70 WP Hexaconazole inhibition 5 EC Propiconazole 25 EC Azoxystrobin 23 SC Mancozeb 75 WP Tebuconazole 50 Trifloxystrobin 25 WG and Carbendazim 12 Mancozeb Article Info 63 WP was tested at different concentrations viz. 100 150 200 and 500 ppm against A. alternata on PDA by poisoned food technique. It was concluded that maximum Accepted mycelial growth inhibition was recorded by Hexaconazole followed by 10 February 2021 Tebuconazole Trifloxystrobin . However Propineb recorded least per cent Available Online inhibition of mycelium growth at all concentrations with a mean percent growth inhibition 10 March 2021 of percent. Introduction region but consumed world widely because it contains .

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