Article (Scientific journals)
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
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Keywords :
Myzus persicae; Macrosiphum euphorbiae; E-B-farnesene; PVY; PLRV; virus transmission efficiency
Abstract :
[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 :
Entomology & pest control
Author, co-author :
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
Language :
English
Title :
Impact of aphid alarm pheromone release on virus transmission efficiency: when pest control strategy could induce higher virus dispersion
Publication date :
May 2016
Journal title :
Journal of Virological Methods
ISSN :
0166-0934
eISSN :
1879-0984
Publisher :
Elsevier Science, Amsterdam, Netherlands
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 02 August 2016

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