Strain-specific colonization pattern of Rhizoctonia antagonists in the root system of sugar beet

Christin Zachow; Jamshid  Fatehi; Massimiliano Cardinale; Ralf Tilcher; Gabriele Berg

doi:https://doi.org/10.1111/j.1574-6941.2010.00930.x

Strain-specific colonization pattern of Rhizoctonia antagonists in the root system of sugar beet

Christin Zachow, Jamshid Fatehi, Massimiliano Cardinale, Ralf Tilcher, Gabriele Berg

Institute of Environmental Biotechnology (6530)

Research output: Contribution to journal › Article › peer-review

Abstract

To develop effective biocontrol strategies, basic knowledge of plant growth promotion (PGP) and root colonization by antagonists is essential. The survival and colonization patterns of five different biocontrol agents against Rhizoctonia solani AG2-2IIIB in the rhizosphere of greenhouse-grown sugar beet plants were analysed in single and combined treatments. The study included bacteria (Pseudomonas fluorescens L13-6-12, Pseudomonas trivialis RE*1-1-14, Serratia plymuthica 3Re4-18) as well as fungi (Trichoderma gamsii AT1-2-4, Trichoderma velutinum G1/8). Microscopic analysis by confocal laser scanning microscopy revealed different colonization patterns for each DsRed2/green fluorescent protein-labelled strain. Bacteria and T. velutinum G1/8 colonized the root surface and the endorhiza in single and co-culture, while for T. gamsii AT1-2-4, only the transfer of spores was observed. Whereas …

Original language	English
Pages (from-to)	124-135
Journal	FEMS Microbiology Ecology
Volume	2010
Issue number	74
DOIs	https://doi.org/10.1111/j.1574-6941.2010.00930.x
Publication status	Published - 1 Oct 2010

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https://doi.org/10.1111/j.1574-6941.2010.00930.x

Cite this

@article{22eb729d81b14755beca75da6db5ed14,

title = "Strain-specific colonization pattern of Rhizoctonia antagonists in the root system of sugar beet",

abstract = "To develop effective biocontrol strategies, basic knowledge of plant growth promotion (PGP) and root colonization by antagonists is essential. The survival and colonization patterns of five different biocontrol agents against Rhizoctonia solani AG2-2IIIB in the rhizosphere of greenhouse-grown sugar beet plants were analysed in single and combined treatments. The study included bacteria (Pseudomonas fluorescens L13-6-12, Pseudomonas trivialis RE*1-1-14, Serratia plymuthica 3Re4-18) as well as fungi (Trichoderma gamsii AT1-2-4, Trichoderma velutinum G1/8). Microscopic analysis by confocal laser scanning microscopy revealed different colonization patterns for each DsRed2/green fluorescent protein-labelled strain. Bacteria and T. velutinum G1/8 colonized the root surface and the endorhiza in single and co-culture, while for T. gamsii AT1-2-4, only the transfer of spores was observed. Whereas …",

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AU - Tilcher, Ralf

AU - Berg, Gabriele

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Y1 - 2010/10/1

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AB - To develop effective biocontrol strategies, basic knowledge of plant growth promotion (PGP) and root colonization by antagonists is essential. The survival and colonization patterns of five different biocontrol agents against Rhizoctonia solani AG2-2IIIB in the rhizosphere of greenhouse-grown sugar beet plants were analysed in single and combined treatments. The study included bacteria (Pseudomonas fluorescens L13-6-12, Pseudomonas trivialis RE*1-1-14, Serratia plymuthica 3Re4-18) as well as fungi (Trichoderma gamsii AT1-2-4, Trichoderma velutinum G1/8). Microscopic analysis by confocal laser scanning microscopy revealed different colonization patterns for each DsRed2/green fluorescent protein-labelled strain. Bacteria and T. velutinum G1/8 colonized the root surface and the endorhiza in single and co-culture, while for T. gamsii AT1-2-4, only the transfer of spores was observed. Whereas …

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