Journal of Food, Agriculture and Environment
Vol 9,
Issue 1,2011
Online ISSN: 1459-0263
Print ISSN: 1459-0255
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Biological potential of cyanobacterial metabolites against some soil pathogenic fungi
Author(s):
Sekina T.A. Tantawy
Recieved Date: 2010-11-11, Accepted Date: 2011-01-12
Abstract:The aim of the present study was to evaluate the biological potential of three cyanobacterial strains (Nostoc muscorum, Spirulina platensis and Anabaena flos-aquae) against soil pathogenic fungi. The different exudates were prepared at concentrations of 25, 50, 75 and 100% and their effects on two soil pathogenic fungi (Fusarium oxysporum and Rhizoctonia solani) were studied. Results revealed high efficiency of the algal culture filtrates in suppressing the fungal mycelial growth diameter. The best results were obtained by Spirulina platensis and Nostoc muscorum. The antifungal activity of the algal culture filtrates may contribute to the presence of bioactive compounds, i.e. total phenolic compounds, IAA and protease enzyme. This study can provide potential candidates for the development of biocontrol agents against these soil pathogenic fungi.
Keywords:Cyanobacteria,
soil pathogenic fungi, biocidal efficacyJournal: Journal of Food, Agriculture and Environment
Year: 2011
Volume: 9
Issue: 1
Category: Environment
Pages: 663-666
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