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Vol. 7, Issue 12 (2018)

Efficacy of different fungicides against Alternaria brassicae caused Alternaria leaf spot of cauliflower

Author(s):
Ajad Patel, Ram Chandra and Manu Upadhyay
Abstract:
Cauliflower (Brassica oleracea) is most important vegetable crop and several bacteria, fungi and virus infect it and cause diseases. Alternaria leaf spot of cauliflower is very worst disease and distributed worldwide in all cauliflower growing countries. This disease is caused by Alternaria brassicae and pathogen affects the curd of cauliflower and yield. Earlier several studies have been conducted for management of cauliflower in which several fungicides have used against Alternaria brassicae and few are highly effective. Therefore present investigation was conducted on efficacy of different fungicides against Alternaria brassicae caused Alternaria leaf spot of cauliflower. Five fungicides viz. Azoxystrobin (Onestar 23% SC), Carbendazim (Dhanustin 50%WP) Kasugamycin (Kasu B 3% SL), Fusilazole (Cursor 40% EC) and Pyraclostrobin + Metaram (Carbrio Top 60% WG), were assayed at two concentration 300ppm and 550ppm for their efficacy against Alternaria brassicae by Poison food technique. Fusilazole (Cursor 40% EC), was found highly effective against pathogen at both concentration. Another (Cabrio Top 60% WG) Pyraclostrobin + Metaram was also found to be effective against pathogen and showed 70% inhibition at 550ppm concentration and 63% at 300ppm concentration. Minimum mycelia inhibition was recorded with Azoxystrobin (Onestar 23% SC), with only 61% inhibition at 550ppm concentration. This investigation will be helpful to the farmers for selection of suitable fungicides, used as a control of Alternaria leaf spot of cauliflower.
Pages: 231-234  |  1154 Views  431 Downloads


The Pharma Innovation Journal
How to cite this article:
Ajad Patel, Ram Chandra, Manu Upadhyay. Efficacy of different fungicides against <em>Alternaria brassicae</em> caused Alternaria leaf spot of cauliflower. Pharma Innovation 2018;7(12):231-234.

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