International Journal of Zoology Studies

International Journal of Zoology Studies


ISSN: 2455-7269

Vol. 1, Issue 5 (2016)

Evaluation of different fungicides against Alternaria solani (Ellis & Martin) Sorauer cause of early blight of tomato under laboratory conditions

Author(s): Muhammad Usman Ghazanfar, Waqas Raza, Kanwer Shahzad Ahmed, Jamshaid Qamar, Naveed Haider, Muhammad Hamid Rasheed
Abstract: Early blight of tomato caused by Alternaria solani (Ellis & Martin) Sorauer is the most destructive disease that hampered its successful production all over the world. In the present study, fungi toxic activity of fungicides, namely Propineb (Antracol® 70 WP), Thiophanate-methyl (Topsin-M® 70 WP), Chlorothalonil (Kavach® 75 WP), Mancozeb (Dithane® M-45 80 WP) and Copper oxychloride (Blitox® 50 WP) was evaluated by poisoned food technique at laboratory of Plant Pathology, University college of Agriculture, University of Sargodha, Pakistan during 2013-14 for the management of early blight of tomato caused by Alternaria solani. All the tested chemicals significantly (P≤ 0.01) inhibited the mycelial growth of a pathogen when compared with control. However, among all five tested fungicides, Dithane® M-45 80 WP (89.83%) was significantly superior over other treatments followed by Antracol® 70 WP (87.40%), Topsin-M® 70 WP (87.10%), and Blitox® 50 WP (79.21%). This reduction was gradually increased by increasing the incorporated concentration. Least inhibition was observed in Kavach® 75 WP (70.40%). Overall results demonstrated that all tested concentrations of Dithane® M-45 80 WP were found significantly effective for controlling early blight of tomato.
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