De Backer, Lara, Bawin, Thomas ORCID: 0000-0002-1042-0725, Schott, Matthias, Gillard, Laurent, Marko, Istvan E., Francis, Frederic and Verheggen, Francois ORCID: 0000-0002-5849-1661 (2017). Betraying its presence: identification of the chemical signal released by Tuta absoluta-infested tomato plants that guide generalist predators toward their prey. Arthropod-Plant Interact., 11 (2). S. 111 - 121. DORDRECHT: SPRINGER. ISSN 1872-8847

Full text not available from this repository.

Abstract

Plants modify their volatile chemical signature under pest infestation, which might directly or indirectly improve their defence against threats. These chemical signals have potential in integrated pest management strategies. Macrolophus pygmaeus (Rambur) [Heteroptera: Miridae] is a generalist predatory insect widely used to control the tomato leaf miner, Tuta absoluta (Meyrick) [Lepidoptera: Gelechiidae]. Based on a previous study demonstrating the ability of this mirid species to discriminate non-infested versus T. absoluta-infested tomato plants, our objective was to identify plant volatile chemicals (herbivore-induced plant volatiles-HIPVs) guiding the behaviour of such a generalist predator towards its prey. First, we used coupled gas chromatography-mass spectrometry-electroantennographic detection analysis to screen for active antenna components from the volatile blend released by T. absoluta-infested tomato plants. Dose responses associated with each isolated HIPV were also performed using an electroantennograph. Subsequently, behavioural assays were conducted in a double-choice olfactometer to analyse and identify the behaviourally active chemicals eliciting olfactory responses. Twenty-one total compounds induced antennal responses and six of the 21 evoked positive attractions in M. pygmaeus: (E)hex-2-enal, 2-carene, alpha-pinene, beta-phellandrene, hexanal, and linalool. A synthetic blend of active HIPVs induced olfactory responses as well as attraction in the bioassays. Our results provided evidence the generalist mirid predator M. pygmaeus uses chemical cues from infested tomato plants to identify plants infested by prey. We discussed how these results can be used to improve existing biological approaches to control the tomato leaf miner, T. absoluta.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
De Backer, LaraUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bawin, ThomasUNSPECIFIEDorcid.org/0000-0002-1042-0725UNSPECIFIED
Schott, MatthiasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gillard, LaurentUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Marko, Istvan E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Francis, FredericUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Verheggen, FrancoisUNSPECIFIEDorcid.org/0000-0002-5849-1661UNSPECIFIED
URN: urn:nbn:de:hbz:38-235834
DOI: 10.1007/s11829-016-9471-7
Journal or Publication Title: Arthropod-Plant Interact.
Volume: 11
Number: 2
Page Range: S. 111 - 121
Date: 2017
Publisher: SPRINGER
Place of Publication: DORDRECHT
ISSN: 1872-8847
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
MACROLOPHUS-PYGMAEUS; EXTRAFLORAL NECTAR; PEST-MANAGEMENT; VOLATILES; APHID; RESPONSES; MIRIDAE; ATTRACTANTS; HEMIPTERA; PROSPECTSMultiple languages
Ecology; EntomologyMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/23583

Downloads

Downloads per month over past year

Altmetric

Export

Actions (login required)

View Item View Item