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Please use this identifier to cite or link to this item: http://hdl.handle.net/10373/779

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Title: A fungal growth model fitted to carbon-limited dynamics of Rhizoctonia solani
Authors: Jeger, M. J.
Lamour, A.
Gilligan, C. A.
Otten, Wilfred
Affiliation: University of Abertay Dundee. Scottish Informatics, Mathematics, Biology and Statistics Centre
Keywords: Carbon decomposition rate
Carbon limitation
Carbon nutrition and thresholds
Carbon use efficiency
Fungal growth model
Invasion criterion
Quasi-steady-state approximation
Rhizoctonia solani
Issue Date: May-2008
Publisher: Wiley-Blackwell
Type: Journal Article
Refereed: peer-reviewed
Rights: Published version (c)Wiley-Blackwell, available from DOI: 10.1111/j.1469-8137.2008.02394.x. The definitive version is available at www3.interscience.wiley.com
Citation: Jeger, M.J., et al. 2008. A fungal growth model fitted to carbon-limited dynamics of Rhizoctonia solani. New Phytologist. 178(3): pp.625-633. Available from http://dx.doi.org/10.1111/j.1469-8137.2008.02394.x
Abstract: Here, a quasi-steady-state approximation was used to simplify a mathematical model for fungal growth in carbon-limiting systems, and this was fitted to growth dynamics of the soil-borne plant pathogen and saprotroph Rhizoctonia solani.• The model identified a criterion for invasion into carbon-limited environments with two characteristics driving fungal growth, namely the carbon decomposition rate and a measure of carbon use efficiency.• The dynamics of fungal spread through a population of sites with either low (0.0074 mg) or high (0.016 mg) carbon content were well described by the simplified model with faster colonization for the carbon-rich environment.• Rhizoctonia solani responded to a lower carbon availability by increasing the carbon use efficiency and the carbon decomposition rate following colonization. The results are discussed in relation to fungal invasion thresholds in terms of carbon nutrition
URI: http://hdl.handle.net/10373/779
ISSN: 0028-646X
Appears in Collections:SIMBIOS Collection
Science Engineering & Technology Collection

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