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|Title: ||Can incomplete spatial coverage of control measures prevent invasion of fungal parasites?|
|Authors: ||Otten, Wilfred|
Bailey, Douglas J.
Ludlam, Jon J.
Gilligan, Christopher A.
|Affiliation: ||University of Abertay Dundee. Scottish Informatics, Mathematics, Biology and Statistics Centre|
|Keywords: ||Rhizoctonia solani|
Thresholds for control
|Issue Date: ||2004|
|Type: ||Conference Paper|
|Rights: ||Published version (c)IOBC/WPRS, available from http://www.iobc-wprs.org/pub/bulletins/iobc-wprs_bulletin_2004_27_08.pdf|
|Citation: ||Otten, W. 2004. Can incomplete spatial coverage of control measures prevent invasion of fungal parasites? In: Y. Elad, I. Pertot and A. Enkegaard, eds. Proceedings of a meeting of the WGs: Management of plant diseases and arthropod pests by BCAs and their integration in agricultural systems, S. Michele all’Adige, Trentino, Italy, 9-13 June 2004. IOBC/wprs Bulletin. 27(8): pp.251-254.|
|Abstract: ||We examine the invasion of a pathogenic fungus into populations of susceptibles.
Combining epidemiological concepts with percolation theory we derive and test the following
hypothesis: 1) fungal invasion into a population can be stopped by rendering a threshold proportion of
the population immune for infection; 2) controlling infection at randomly selected sites introduces a
shield which can prevent invasion of unprotected sites; 3) the rate of invasion reduces with increasing
number of randomly protected sites. The significance of these findings is that the extent at which
control strategies are applied spatially can be a critical component of disease management.|
|Appears in Collections:||SIMBIOS Collection|
Science Engineering & Technology Collection
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