IN VITRO EVALUATION OF SIX FUNGICIDES AGAINST FOUR MAJOR SOIL BORNE FUNGI

  • M. K. Hasna Plant Pathology Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh-2202, Mymensingh

Abstract

An experiment was conducted in the laboratory of Plant Pathology Division, Bangladesh Institute of Nuclear Agriculture to evaluate the efficacy of six different fungicides against four major soil borne plant pathogens. The selected fungicides were Antracol 70 WP, Bavistin 50 DF, Dithane M-45, Folicur 250 EC, Ridomil Gold MZ 68 WP and Secure 600 WG. The efficacy of these fungicides were evaluated by poison food technique against four major soil borne fungi, viz., Rhizoctonia solani, Macrophomina phaseolina, Fusarium oxysporum and Sclerotium rolfsii. Among them, Bavistin 50 DF was found to be the most effective which completely inhibited the growth of R. solani, S. rolfsii and M. phaseolina after 7 days of inoculation. Folicur was also effective against R. solani that inhibited its 96% growth after 7 days of inoculation. Dithane M-45 was found to be effective for inhibiting the growth of M. phaseolina (85%) and S. rolfsii (81%). The growth inhibition of the fungi by Secure, Antracol and Ridomil Gold ranged between 32 and 44%.

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Section
Research Article