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Rain-operated Foliar Disease Transmission
Gilet, Tristan; Bourouiba, Lydia
20142014 Annual Meeting of the Society for Integrative and Comparative Biology
 

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Abstract :
[en] Plant diseases are a major cause of crop loss worldwide. They are known to be triggered by rainfalls. We here combine high-speed visualizations and physical modelling to elucidate the causal link between rain impact on foliage and pathogen spreading. We identify two dominant scenarios by which the pathogens get ejected from leaves. The leaf compliance is shown to strongly affect these mechanisms. The laws of fluid dynamics set tight limits on this epidemiological problem. They suggest a revision of the current agricultural practices in order to contain the spread of foliar diseases.
Disciplines :
Zoology
Author, co-author :
Gilet, Tristan  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Microfluidique
Bourouiba, Lydia;  Massachusetts Institute of Technology - MIT > Civil and Environmental Engineering
Language :
English
Title :
Rain-operated Foliar Disease Transmission
Publication date :
07 January 2014
Event name :
2014 Annual Meeting of the Society for Integrative and Comparative Biology
Event organizer :
u
Event place :
Austin, United States - Texas
Event date :
du 3 au 7 janvier 2014
By request :
Yes
Audience :
International
Available on ORBi :
since 22 May 2014

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