ISSN: 0973-7510

E-ISSN: 2581-690X

Hesamedin Ramezani1 and Sasan Ghasemi2
1Department of Agriculture, Payame Noor University, PO Box. 193595-3697 Tehran, Iran.
2Department of Plant Protection, Shiraz Branch, College of Agriculture, Islamic Azad University, Shiraz, Iran.
J Pure Appl Microbiol. 2015;9(3):2101-2104
© The Author(s). 2015
Received: 17/06/2015 | Accepted: 11/08/2015 | Published: 30/09/2015
Abstract

The aim of this investigation was to evaluate the effect of different abiotic factors on growth parameters of Rhizoctonia solani under laboratory condition. Among seven different media studied, the causal organism of sheath blight of rice grew well on Carrot Agar (CA) and Potato Dextrose Agar (PDA) media. It required optimum temperature of 26 ± 2 °C and pH 7 for the growth and sclerotia formation. The maximum radial growth of tested pathogen was noticed after 168 h of incubation period by producing 36.70 mm on Carrot Agar (CA) medium. The maximum sclerotia formation of pathogen was recorded at pH 7 after 144 hrs. of incubation period.

Keywords

Different media, Growth parameters, pH, Optimum temperature, Sclerotia formation

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