National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
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. The efficacy of fungicides viz., Propineb 70% WP, Hexaconazole 5% EC, Propiconazole 25% EC, Azoxystrobin 23% SC, Mancozeb 75% WP, Tebuconazole (50%) + Trifloxystrobin (25%) WG and Carbendazim (12%) + Mancozeb (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 mycelial growth inhibition (97.96%) was recorded by Hexaconazole, followed by Tebuconazole + Trifloxystrobin (94.17%). However, Propineb recorded least per cent inhibition of mycelium growth at all concentrations with a mean percent growth inhibition of 60.83 percent.
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