Assessing eradication strategies for rain-splashed and wind-dispersed crop diseases

Bennett, J, Diggle, A, Evans, F and Renton, M 2013, 'Assessing eradication strategies for rain-splashed and wind-dispersed crop diseases', Pest Management Science, vol. 69, no. 8, pp. 955-963.


Document type: Journal Article
Collection: Journal Articles

Title Assessing eradication strategies for rain-splashed and wind-dispersed crop diseases
Author(s) Bennett, J
Diggle, A
Evans, F
Renton, M
Year 2013
Journal name Pest Management Science
Volume number 69
Issue number 8
Start page 955
End page 963
Total pages 9
Publisher John Wiley and Sons
Abstract Background: The eradicability of rain-splashed crop diseases was examined by modelling the spread of lupin anthracnose over a spatially heterogeneous landscape. Two hypotheses were investigated: (i) in most cases, rain-splashed diseases are unlikely to be eradicable because spread will be too extensive by the time the disease is detected; (ii) there are recognisable characteristics of an incursion that can be used to identify cases when the disease will be eradicable. Results: Results indicate that the eradication of a rain-splashed crop disease is heavily dependent on the surveillance effort, on how detectable the disease is and on whether there are susceptible hosts outside the cropping area. These simple indicators can be used to estimate the potential for success of an eradication scheme. Eradication targeting only the crop area is destined to fail, unless it is certain that no susceptible host lies adjacent to the cropping area. Conclusion: A failed eradication attempt can be costly, and a simple set of indicators for the likelihood of success is extremely useful. These indicators can aid decision-makers when faced with a new incursion, identifying when there is little hope of success.
Subject Agricultural Spatial Analysis and Modelling
Keyword(s) Anthracnose
control
eradication
heterogeneous landscape
DOI - identifier 10.1002/ps.3459
Copyright notice © 2012 Society of Chemical Industry
ISSN 1526-498X
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