Isolation and Identification of Streptomyces rochei Strain Active against Phytopathogenic Fungi.
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Date
2014-10
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Abstract
A total of 104 actinomycete isolates were recovered from farming soil samples collected
from 11 states in Sudan. Upon screening for potential antifungal activity, an actinomycete
isolate (R92) was found to be highly antagonistic against all of the tested phytopathogenic
fungi. It was identified as Streptomyces rochei on the basis of its morphology,
chemotaxonomy and 16S rDNA sequence analysis. In vivo antagonistic activities of the nbutanol
extract of R92 culture were significant since the progress of Drechslera halodes
leaf spot on sorghum and Alternaria alternata early blight on tomato was highly restricted
and incidence of both diseases was greatly suppressed. Trials to evaluate the In vivo
control efficacy of this extract under field conditions is recommended.
Description
Keywords
Streptomyces rochei, In vivo activity, 16S rDNA, phytopathogens, Sudan
Citation
El Hussein Adil A, Alhasan Rihab E M, Abdelwahab Suhair A, El Siddig Marmar A. Isolation and Identification of Streptomyces rochei Strain Active against Phytopathogenic Fungi. British Microbiology Research Journal. 2014 Oct; 4(10): 1057-1068.