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Selective isolation, evaluation and characterization of antagonistic actinomycetes against Rhizoctonia solani
Year:
2010
Authors :
Patil, Hemant J.
;
.
Volume :
26
Co-Authors:
Patil, H.J., National Bureau of Agriculturally Important Microorganisms, Mau, UP 275101, India
Srivastava, A.K., National Bureau of Agriculturally Important Microorganisms, Mau, UP 275101, India
Kumar, S., National Bureau of Agriculturally Important Microorganisms, Mau, UP 275101, India
Chaudhari, B.L., Department of Microbiology, School of Life Sciences, North Maharashtra University, Jalgaon, 425 001, India
Arora, D.K., National Bureau of Agriculturally Important Microorganisms, Mau, UP 275101, India
Facilitators :
From page:
2163
To page:
2170
(
Total pages:
8
)
Abstract:
The baiting bag method was found to be useful for isolating antagonistic actinomycetes from terrestrial habitat. Out of total 110 actinomycetes isolated from rhizospheric and non-rhizospheric soil of Indo Gangetic Plains (IGP) of India, 9 isolates exhibited aggressive antagonism against Rhizoctonia solani, screened through dual culture, well diffusion and sealed plate technique. Maximum growth inhibition was recorded up to 50% under well diffusion (S. toxytricini vh22) and 52.6% in a direct confrontation (Actinomycetales bacterium vh41). Whereas maximum disease suppression (53.33%) under green house condition was achieved on seedling treated with S. tricolor vh85. Scanning electron microscopy of antagonists and pathogen interaction exhibited pore formation and hyphal degradation of test pathogen. Physiological and molecular characterization of selected isolates showed wide diversity and uncommon species has been encountered through the selective isolation technique. © 2010 Springer Science+Business Media B.V.
Note:
Related Files :
Actinobacteria
Actinomycetales
bacteria
BioControl
Pore formation
Rhizospheric soils
Selective isolation
Show More
Related Content
More details
DOI :
10.1007/s11274-010-0400-0
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
28791
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:41
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Scientific Publication
Selective isolation, evaluation and characterization of antagonistic actinomycetes against Rhizoctonia solani
26
Patil, H.J., National Bureau of Agriculturally Important Microorganisms, Mau, UP 275101, India
Srivastava, A.K., National Bureau of Agriculturally Important Microorganisms, Mau, UP 275101, India
Kumar, S., National Bureau of Agriculturally Important Microorganisms, Mau, UP 275101, India
Chaudhari, B.L., Department of Microbiology, School of Life Sciences, North Maharashtra University, Jalgaon, 425 001, India
Arora, D.K., National Bureau of Agriculturally Important Microorganisms, Mau, UP 275101, India
Selective isolation, evaluation and characterization of antagonistic actinomycetes against Rhizoctonia solani
The baiting bag method was found to be useful for isolating antagonistic actinomycetes from terrestrial habitat. Out of total 110 actinomycetes isolated from rhizospheric and non-rhizospheric soil of Indo Gangetic Plains (IGP) of India, 9 isolates exhibited aggressive antagonism against Rhizoctonia solani, screened through dual culture, well diffusion and sealed plate technique. Maximum growth inhibition was recorded up to 50% under well diffusion (S. toxytricini vh22) and 52.6% in a direct confrontation (Actinomycetales bacterium vh41). Whereas maximum disease suppression (53.33%) under green house condition was achieved on seedling treated with S. tricolor vh85. Scanning electron microscopy of antagonists and pathogen interaction exhibited pore formation and hyphal degradation of test pathogen. Physiological and molecular characterization of selected isolates showed wide diversity and uncommon species has been encountered through the selective isolation technique. © 2010 Springer Science+Business Media B.V.
Scientific Publication
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