Effect of fungicides and Neem oil on the rhizoctonia root rot of soybean (Glycine max L.)

The efficacy of different fungicides (carbendazim, mancozeb, carboxin, thiophanate methyl, propiconazole) and neem oil were tested at100, 200 and 400 ppm in vitro and concentrations 2g/kg seed treatment and 2ml/lit. foliar spray against Rhizoctonia sp., the causal organism of Rhizoctonia root rot of soybean in vivo. Among all the treatments, except neem oil showed 100% inhibition of radial growth of fungus in vitro. Seed treatment with carbendazim found to be most effective against Rhizoctonia root rot of soybean showing minimum disease incidence and producing maximum yield followed by mancozeb75 % WP. It was observed thatcarbendazim50% WP was statistically significant as compared to other treatments. | Effect of fungicides and Neem oil on the rhizoctonia root rot of soybean (Glycine max L.)

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