Antifungal activity of Pseudomonas oryzihabitans a bacterium symbiotically associated with Steinernema abbasi towards Fusarium oxysporum and Rhizoctonia solani

I. K. Vagelas, S. R. Gowen, M. Wood, Keith Davies, F. T. Gravanis

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Pseudomonas oryzihabitans (=Flavimonas oryzihabitans), a symbiont of the entomopathogenic nematode Steinernema abbasi significantly inhibited the mycelium growth of Fusarium oxysporum and Rhizoctonia solani in vitro. Antifungal compounds diffused from P. oryzihabitans exhibited chemotaxis toward Fusarium and Rhizoctonia mycelia in soft (0.2%) agar. Activity occurred at 15 - 28 degreesC but was strongest at the higher temperature. P. oryzihabitans cells were also tested for their root colonization and biocontrol abilities. A polyclonal antibody confirmed the bacterium had colonized roots. P. oryzihabitans induced soil suppressiveness against Fusarium oxysporum.

Original languageEnglish
Title of host publicationProcs Brighton Crop Protection Conf
Subtitle of host publicationPests and Diseases
PublisherBritish Crop Protection Council
Pages85-90
Number of pages6
ISBN (Print)1-901396-62-2
Publication statusPublished - 2002
EventBrighton Crop Protection Conference - Pests and Diseases - Brighton, United Kingdom
Duration: 18 Nov 200221 Nov 2002

Conference

ConferenceBrighton Crop Protection Conference - Pests and Diseases
Country/TerritoryUnited Kingdom
CityBrighton
Period18/11/0221/11/02

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