Morphological and physiological variation among isolates of Rhizoctonia solani inciting wet root rot of chickpea

Jagdish , P. and Gaur, V.K. and Mehta, S. (2013) Morphological and physiological variation among isolates of Rhizoctonia solani inciting wet root rot of chickpea. Plant Disease Research, 28 (2). pp. 174-180.

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Abstract

Wet root rot chickpea (Cicer arietinum L.) caused by Rhizoctonia solani Kühn is an economically important disease in India and elsewhere. Eight isolates of R. solani, obtained from Rajasthan (Bikaner, Hanumangarh, Nagaur and Sriganganagar), Haryana (Gurgaon, Hisar and Karnal) and Indian Agricultural Research Institute, New Delhi were studied for their discernible characters. The isolates tested for their pathogenic nature using susceptible C-235 variety of chickpea were found virulent in sterilized as well as in unsterilized soil. The isolate Bikaner was highly virulent. There was practically no direct correlation between the cultural characters and virulence of any of the isolates. The mycelial growth of eight isolates of Rhizoctonia solani varied on Czapek’sdox agar basal medium with different carbon, nitrogen sources and also at different levels of temperature and pH

Item Type: Article
Uncontrolled Keywords: Morphological, pathogenic, physiological variability, Rhizoctonia solani
Author Affiliation: Rajasthan Agriculture University, Bikaner -3340
Subjects: Plant Protection
Divisions: Chickpea
Depositing User: Mr T L Gautham
Date Deposited: 15 Mar 2014 14:56
Last Modified: 15 Mar 2014 14:56
Official URL: http://www.indianjournals.com/ijor.aspx?target=ijo...
URI: http://eprints.icrisat.ac.in/id/eprint/12862

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