Poster (Scientific congresses and symposiums)
Improvement of spray retention on barley leaves by adjuvants
Boukhalfa, Hassina dite Hafida; Massinon, Mathieu; Lebeau, Frédéric
2013The Bioforum 2013 of BioLiège
 

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Keywords :
Barley; adjuvant; spray retention; fluorometry
Abstract :
[en] Adjuvants contribute to change the types of impact and thus the amount of spray retained by the leaves of the treated plant. We have performed tests of retention on barley plants on BBCH 12 stage and small pieces of barley leaves at the same stage of growth. Spraying was done in three ways: water without adjuvant, water with Break-Thru® S240 and water with Li700®. The three slurries of fluorescein contained in an amount of 0.2 g / l. Fluorescein retained by the leaves in both cases is then measured by a spectrofluoremeter. The retention tests on whole plants show that it is tripled by the first adjuvant and doubled by the second. On the other side, on small pieces of barley leaves, the amount was increased by the use of surfactants but not to the same extend. This study concluded that the use of adjuvants in spray pesticides increases the amount of retention as a function of leaf area and the type of adjuvant.
Disciplines :
Agriculture & agronomy
Author, co-author :
Boukhalfa, Hassina dite Hafida ;  Université de Liège - ULg/Université Mohamed Khidar Biskra Algérie > Sciences et technologie de l'environnement > Unité de mécanique et construction > Doct. sc. agro. & ingé. biol.
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 :
Improvement of spray retention on barley leaves by adjuvants
Publication date :
18 April 2013
Event name :
The Bioforum 2013 of BioLiège
Event organizer :
BioLiège
Event place :
Liege, Belgium
Event date :
Thursday 18 April 2013
Funders :
Ministère del'enseignement supérieur et de la recherche scientifique - Algérie
Available on ORBi :
since 22 April 2013

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