Synergistic effects of a cellulase-producing Micromonospora carbonacea and an antibiotic-producing Streptomyces violascens on the suppression of Phytophthora cinnamomi root rot of Banksia grandis

K A El-Tarabily; M L Sykes; D Ipek Kurtboke; G E St J Hardy; A M Barbosa; R F H Dekker

doi:10.1139/b96-078

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Synergistic effects of a cellulase-producing Micromonospora carbonacea and an antibiotic-producing Streptomyces violascens on the suppression of Phytophthora cinnamomi root rot of Banksia grandis

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Synergistic effects of a cellulase-producing Micromonospora carbonacea and an antibiotic-producing Streptomyces violascens on the suppression of Phytophthora cinnamomi root rot of Banksia grandis

K A El-Tarabily, M L Sykes, D Ipek Kurtboke, G E St J Hardy, A M Barbosa and R F H Dekker

Canadian Journal of Botany, Vol.74(4), pp.618-624

1996

DOI: https://doi.org/10.1139/b96-078

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Abstract

Plant Biology

Biological Control

Micromonospora carbonacea

Streptomyces violascens

cellulases

Phytophthora cinnamomi

Three polyvalent Streptomyces phages were used to isolate four Micromonospora species (M. carbonacea, M. chalcea, M. purpureochromogenes, and M. inositola) from mine-site rhizosphere soils in Western Australia. Streptomyces violascens was isolated using selective isolation techniques from the same soils. The Micromonspora spp. were examined for their ability to produce cellulases. Micromonospora carbonacea, M. chalcea, and M. purpureochromogenes, which were found to produce the enzyme, caused lysis of Phytophthora cinnamomi hyphae. Glasshouse trials showed that the use of the cellulase-producing M. carbonacea isolate, in conjunction with the antibiotic-producing S. violascens isolate, had a synergistic effect on the suppression of the Phytophthora root rot and in promoting growth of Banksia grandis. The importance of using a number of antagonists with different antagonistic abilities to control plant pathogenic fungi is discussed. Keywords: biological control, Micromonospora carbonacea, Streptomyces violascens, cellulases, Phytophthora cinnamomi.

Details

Title: Synergistic effects of a cellulase-producing Micromonospora carbonacea and an antibiotic-producing Streptomyces violascens on the suppression of Phytophthora cinnamomi root rot of Banksia grandis
Authors: K A El-Tarabily (Author) - Murdoch University
M L Sykes (Author) - Murdoch University
D Ipek Kurtboke (Author) - Murdoch University
G E St J Hardy (Author) - Murdoch University
A M Barbosa (Author) - Murdoch University
R F H Dekker (Author) - Murdoch University
Publication details: Canadian Journal of Botany, Vol.74(4), pp.618-624
Publisher: N R C Research Press
Date published: 1996
DOI: 10.1139/b96-078
ISSN: 0008-4026
Organisation Unit: School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; GeneCology Research Centre - Legacy; School of Science, Technology and Engineering
Language: English
Record Identifier: 99450160402621
Output Type: Journal article

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