Article (Périodiques scientifiques)
Impact of aphid alarm pheromone release on virus transmission efficiency: when pest control strategy could induce higher virus dispersion
Lin, Fang-Jing; Bosquée, Emilie; Liu, Ying-Jie et al.
2016In Journal of Virological Methods
Peer reviewed vérifié par ORBi
 

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Mots-clés :
Myzus persicae; Macrosiphum euphorbiae; E-B-farnesene; PVY; PLRV; virus transmission efficiency
Résumé :
[en] Aphids cause serious damages to crops not only by tacking sap but also by transmitting numerous viruses. To develop biological control, the aphid alarm pheromone, namely E-β-farnesene (EβF), has been demonstrated to be efficient to repel aphids and as attract beneficials, making it a potential tool to control aphid pests. Considering aphids also as virus vectors, changes of their behaviour could also interfere with the virus acquisition and transmission process. Here, a combination of two aphid species and two potato virus models were selected to test the influence of EβF release on aphid and virus dispersion under laboratory conditions. EβF release was found to significantly decrease the population of M. persicae and M. euphorbiae around the infochemical releaser but simultaneously also increasing the dispersal of Potato Virus Y (PVY). At the opposite, no significant difference for Potato Leaf Roll Virus (PLRV) transmission efficiency was observed with similar aphid alarm pheromone releases for none of the aphid species. These results provide some support to carefully consider infochemical releasers not only for push – pull strategy and pest control but also to include viral disease in a the plant protection to aphids as they are also efficient virus vectors. Impact of aphid kinds and transmission mechanisms will be discussed according to the large variation found between persistent and non persistent potato viruses and interactions with aphids and related infochemicals.
Disciplines :
Entomologie & lutte antiravageur
Auteur, co-auteur :
Lin, Fang-Jing
Bosquée, Emilie ;  Université de Liège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Entomologie fonctionnelle et évolutive
Liu, Ying-Jie
Chen, Ju-Lian
Liu, Yong
Francis, Frédéric  ;  Université de Liège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Entomologie fonctionnelle et évolutive
Langue du document :
Anglais
Titre :
Impact of aphid alarm pheromone release on virus transmission efficiency: when pest control strategy could induce higher virus dispersion
Date de publication/diffusion :
mai 2016
Titre du périodique :
Journal of Virological Methods
ISSN :
0166-0934
eISSN :
1879-0984
Maison d'édition :
Elsevier Science, Amsterdam, Pays-Bas
Peer reviewed :
Peer reviewed vérifié par ORBi
Disponible sur ORBi :
depuis le 02 août 2016

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