Article (Scientific journals)
Insecticidal activity of 25 essential oils on the stored product pest Sitophilus granarius
Demeter, Sébastien; Lebbe, Olivier; Hecq, Florence et al.
2021In Foods, 10 (2), p. 200
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Keywords :
Essential oils; insecticide; eco-friendly; stored product pest; Sitophilus granarius; Allium sativum; Gaultheria procumbens; Mentha arvensis; Eucalyptus dives
Abstract :
[en] The granary weevil Sitophilus granarius is a stored product pest found worldwide. Environmental damages, human health issues and the emergence of resistance are driving scientists to seeks alternatives to synthetic insecticides for its control. With low mammal toxicity and low persistence, essential oils are more and more being considered a potential alternative. In this study, we compare the toxicity of 25 essential oils, representing a large array of chemical compositions, on adult granary weevils. Bioassays indicated that Allium sativum was the most toxic essential oil, with the lowest calculated lethal concentration 90 (LC90) both after 24 h and 7 days. Gaultheria procumbens, Mentha arvensis and Eucalyptus dives oils appeared to have a good potential in terms of toxicity/cost ratio for further development of a plant-derived biocide. Low influence of exposure time was observed for most of essential oils. The methodology developed here offers the possibility to test a large array of essential oils in the same experimental bioassay and in a standardized way. It is a first step to the development of new biocide for alternative management strategies of stored product pests
Disciplines :
Agriculture & agronomy
Chemistry
Entomology & pest control
Author, co-author :
Demeter, Sébastien
Lebbe, Olivier
Hecq, Florence
Nicolis, Stamios
Kenne, Tierry
Martin, Henri
Fauconnier, Marie-Laure  ;  Université de Liège - ULiège > Département GxABT > Chimie des agro-biosystèmes
Hance, Thierry
Language :
English
Title :
Insecticidal activity of 25 essential oils on the stored product pest Sitophilus granarius
Publication date :
20 January 2021
Journal title :
Foods
eISSN :
2304-8158
Publisher :
MDPI AG, Switzerland
Volume :
10
Issue :
2
Pages :
200
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
EOHUB project 600873-EPP1-2018-1ES-EPPKA2-KA and Walinnov project OILPROTECT (1610128)
Funders :
EACEA - European Education and Culture Executive Agency [BE]
SPF Economie - Service Public Fédéral Économie, PME, Classes moyennes et Énergie [BE]
Funding text :
SPF-Economie Emploi Recherche, Win2Wal program
Available on ORBi :
since 20 January 2021

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