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Comparison of spray retention on synthetic superhydrophobic surface with retention on outdoor grown wheat leaves
Massinon, Mathieu; Lebeau, Frédéric
2012In International Advances in Pesticide Application: Aspects of Applied Biology 114, 2012
Peer reviewed
 

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Keywords :
Spray retention; Drop; Leaf; Superhydrophobic surface; Wettability; High speed imaging
Abstract :
[en] A method has been designed to test the retention of drops generated by a moving agricultural nozzle using high speed imaging both on synthetic and leaf surfaces. The method allows a precise investigation of spray retention by a characterisation of impact speed, drop diameter and impact behaviour. The paper presents a comparison of the spray behaviour on the synthetic surface with the behaviour on outdoor grown wheat leaves fixed on a microscope slide. Target surfaces were horizontal. A range of surface tension was tested using the tank-mix adjuvant Break-Thru S240 at different concentrations in distilled water. Results show the relevance of a synthetic surface for use as reference for the assessment of spray application efficiency. The drop behaviour on the superhydrophobic slide was representative of difficult-to-wet leaves surfaces. The reference surface avoids the natural variability of leaves and is therefore more suited to conduct comparative assessment of formulation retention performance.
Disciplines :
Agriculture & agronomy
Author, co-author :
Massinon, Mathieu ;  Université de Liège - ULiège > Sciences et technologie de l'environnement > Mécanique et construction
Lebeau, Frédéric  ;  Université de Liège - ULiège > Sciences et technologie de l'environnement > Mécanique et construction
Language :
English
Title :
Comparison of spray retention on synthetic superhydrophobic surface with retention on outdoor grown wheat leaves
Publication date :
January 2012
Event name :
Aspects 114 International Advances in Pesticide Application
Event organizer :
Association of Applied Biologists
Event place :
Hof Wageningen, Netherlands
Event date :
10-12 January 2012
Audience :
International
Main work title :
International Advances in Pesticide Application: Aspects of Applied Biology 114, 2012
Publisher :
Association of Applied Biologists, Warwick, United Kingdom
Pages :
261-268
Peer reviewed :
Peer reviewed
Name of the research project :
EUREKA project 4984 VEGEPHY
Funders :
DG06
Available on ORBi :
since 17 January 2012

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