Article (Scientific journals)
Essential Oil Trunk Injection Into Orchard Trees: Consequences on the Performance and Preference of Hemipteran Pests.
Denoirjean, Thomas; Belhassen, Daphné; Doury, Géraldine et al.
2023In Journal of Economic Entomology, 116 (2), p. 389–398
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Keywords :
Cacopsylla pyri; Cinnamomum cassia; Dysaphis plantaginea; electrical penetration graph; trunk injection; Insect Science; Ecology; General Medicine
Abstract :
[en] Apples and pears are among the most widely cultivated fruit species in the world. Pesticides are commonly applied using ground sprayers in conventional orchards; however, most of it will not reach the target plant, increasing the contamination of nontarget organisms such as natural predators, pollinators, and decomposers. Trunk injection is an alternative method of pesticide application that could reduce risks to beneficials and workers. Essential oils represent a 'green' alternative to pesticides due to their reported insecticidal, antimicrobial, antiviral, nematicidal, and antifungal properties. The aim of this study was, therefore, to evaluate the impact that the injection of a cinnamon essential oil solution into the trunk of apple and pear trees could have on their respective pests, Dysaphis plantaginea and Cacopsylla pyri, respectively. The feeding behavior (preference), the life history traits (performance), and the timing of this effect were measured. The injection of an essential oil emulsion in trees impacted hemipteran host-plant colonization, as for both species a modification of their preference and of their performance was observed. The feeding behavior of D. plantaginea was altered as a significantly lower proportion of aphids ingested phloem sap on injected trees, suggesting that the aphids starved to death. On the contrary, the feeding behavior of the psyllids was little changed compared to the control condition, implying that the observed mortality was due to intoxication. The results presented here could theoretically be used to control these two orchard hemipteran pests, although the effectiveness in real conditions still has to be demonstrated.
Disciplines :
Agriculture & agronomy
Chemistry
Author, co-author :
Denoirjean, Thomas;  UMR CNRS 7058 EDYSAN (Écologie et Dynamique des Systèmes Anthropisés), Université de Picardie Jules Verne, 33 Rue St Leu, F-80039 Amiens Cedex, France
Belhassen, Daphné;  Earth and Life Institute, Biodiversity Research Centre, UCLouvain, ELIB - Croix du Sud 4-5, Bte L7.07.04, 1348 Louvain-la-Neuve, Belgium
Doury, Géraldine;  UMR CNRS 7058 EDYSAN (Écologie et Dynamique des Systèmes Anthropisés), Université de Picardie Jules Verne, 33 Rue St Leu, F-80039 Amiens Cedex, France
Ameline, Arnaud;  UMR CNRS 7058 EDYSAN (Écologie et Dynamique des Systèmes Anthropisés), Université de Picardie Jules Verne, 33 Rue St Leu, F-80039 Amiens Cedex, France
Werrie, Pierre-Yves  ;  Université de Liège - ULiège > Département GxABT > Chimie des agro-biosystèmes
Fauconnier, Marie-Laure  ;  Université de Liège - ULiège > TERRA Research Centre > Chimie des agro-biosystèmes
Hance, Thierry;  Earth and Life Institute, Biodiversity Research Centre, UCLouvain, ELIB - Croix du Sud 4-5, Bte L7.07.04, 1348 Louvain-la-Neuve, Belgium
Le Goff, Guillaume Jean ;  Earth and Life Institute, Biodiversity Research Centre, UCLouvain, ELIB - Croix du Sud 4-5, Bte L7.07.04, 1348 Louvain-la-Neuve, Belgium
Language :
English
Title :
Essential Oil Trunk Injection Into Orchard Trees: Consequences on the Performance and Preference of Hemipteran Pests.
Publication date :
12 January 2023
Journal title :
Journal of Economic Entomology
ISSN :
0022-0493
eISSN :
1938-291X
Publisher :
Oxford University Press (OUP), England
Volume :
116
Issue :
2
Pages :
389–398
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
PROVERBIO (Protection of orchards by biological control: an adapted selection of auxiliaries
Funders :
EU - European Union [BE]
Available on ORBi :
since 17 February 2023

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