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Molecular identification of Fusarium species associated with bakanae disease of rice (Oryza sativa) in India

Indian Agricultural Research Journals

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Title Molecular identification of Fusarium species associated with bakanae disease of rice (Oryza sativa) in India
 
Creator BASHYAL, B M
AGGARWAL, RASHMI
 
Subject Bakanae, Fusarium fujikuroi, Fusarium moniliforme, Fusarium proliferatum, Gibberella fujikuroi, Rice
 
Description Fifty isolates of Fusarium spp (Gibberella fujikuroi species complex) were obtained from rice seeds collected frommajor rice-growing regions of India. Gibberella fujikuroi species complex were detected in popularly grown rice varietieswith infection ranging from 1% to 24%. Pathogenicity test of Fusarium spp was performed in susceptible rice varietyPusa 1121, which showed reduced seed germination and possessed varying ability to cause symptoms of bakanae on rice.Maximum incidence of slender and chlorotic leaves were produced by F. fujikuroi (90%), while maximum incidence ofcrown rot and stem rot was produced by F. moniliforme (50%). Use of ITS sequence gave reliable identification ofpathogenic isolates of Fusarium spp associated with bakanae disease of rice. Three Fusarium spp, viz Fusarium moniliforme,Fusarium fujikuroi and Fusarium proliferatum were found associated with bakanae disease of rice in India. Phylogeneticstudies showed a broad genetic variation among different species isolates that were distributed into three different clades.This finding provides new information on the bakanae disease and its distribution in India which could be helpful for thedevelopment of management strategies.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2013-02-11
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/27221
 
Source The Indian Journal of Agricultural Sciences; Vol 83, No 1 (2013)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/27221/12382
 
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