Zoophytophagous mirids provide pest control by inducing direct defences, antixenosis and attraction to parasitoids in sweet pepper plants

BACKGROUNDIn addition to their services as predators, mirid predators are able to induce plant defences by phytophagy. However, whether this induction occurs in sweet pepper and whether it could be an additional benefit to their role as a biological control agent in this crop remain unknown. Here, t...

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Autores principales: Bouagga, Sarra, Urbaneja, Alberto, Rambla, Jose L., Flors, Victor, Granell, Antonio, Jaques, Josep A., Pérez-Hedo, Mertixell
Formato: Artículo
Lenguaje:Inglés
Publicado: 2019
Acceso en línea:http://hdl.handle.net/20.500.11939/6194
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author Bouagga, Sarra
Urbaneja, Alberto
Rambla, Jose L.
Flors, Victor
Granell, Antonio
Jaques, Josep A.
Pérez-Hedo, Mertixell
author_browse Bouagga, Sarra
Flors, Victor
Granell, Antonio
Jaques, Josep A.
Pérez-Hedo, Mertixell
Rambla, Jose L.
Urbaneja, Alberto
author_facet Bouagga, Sarra
Urbaneja, Alberto
Rambla, Jose L.
Flors, Victor
Granell, Antonio
Jaques, Josep A.
Pérez-Hedo, Mertixell
author_sort Bouagga, Sarra
collection ReDivia
description BACKGROUNDIn addition to their services as predators, mirid predators are able to induce plant defences by phytophagy. However, whether this induction occurs in sweet pepper and whether it could be an additional benefit to their role as a biological control agent in this crop remain unknown. Here, these questions were investigated in two model insects, the mirids Nesidiocoris tenuis and Macrolophus pygmaeus. RESULTSPlant feeding behaviour was observed in both N. tenuis and M. pygmaeus on sweet pepper and occupied 33% and 14% of total time spent on the plant, respectively. The punctures caused by mirid plant feeding induced the release of a blend of volatile organic compounds (VOCs) which repelled the herbivore pests Frankliniella occidentalis and Bemisia tabaci and attracted the whitefly parasitoid Encarsia formosa. The repellent effect on B. tabaci was observed for at least 7 days after initial exposure of the plant to N. tenuis, and attraction of E. formosa remained functional for 14 days. CONCLUSIONPlant defences induced by the feeding of mirid predators, their subsequent effects on the behaviour of both pests and natural enemies, and the persistence of these observed effects open the door to new control strategies in the sweet pepper crop. Further application of this research is discussed, such as the vaccination of plants by zoophytophagous mirids in the nursery before transplantation. (c) 2017 Society of Chemical Industry
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spelling ReDivia61942025-04-25T14:46:27Z Zoophytophagous mirids provide pest control by inducing direct defences, antixenosis and attraction to parasitoids in sweet pepper plants Bouagga, Sarra Urbaneja, Alberto Rambla, Jose L. Flors, Victor Granell, Antonio Jaques, Josep A. Pérez-Hedo, Mertixell BACKGROUNDIn addition to their services as predators, mirid predators are able to induce plant defences by phytophagy. However, whether this induction occurs in sweet pepper and whether it could be an additional benefit to their role as a biological control agent in this crop remain unknown. Here, these questions were investigated in two model insects, the mirids Nesidiocoris tenuis and Macrolophus pygmaeus. RESULTSPlant feeding behaviour was observed in both N. tenuis and M. pygmaeus on sweet pepper and occupied 33% and 14% of total time spent on the plant, respectively. The punctures caused by mirid plant feeding induced the release of a blend of volatile organic compounds (VOCs) which repelled the herbivore pests Frankliniella occidentalis and Bemisia tabaci and attracted the whitefly parasitoid Encarsia formosa. The repellent effect on B. tabaci was observed for at least 7 days after initial exposure of the plant to N. tenuis, and attraction of E. formosa remained functional for 14 days. CONCLUSIONPlant defences induced by the feeding of mirid predators, their subsequent effects on the behaviour of both pests and natural enemies, and the persistence of these observed effects open the door to new control strategies in the sweet pepper crop. Further application of this research is discussed, such as the vaccination of plants by zoophytophagous mirids in the nursery before transplantation. (c) 2017 Society of Chemical Industry 2019-05-15T10:37:41Z 2019-05-15T10:37:41Z 2018 article acceptedVersion Bouagga, S.; Urbaneja, A.; Rambla, J. L.; Flors, V.; Granell, A.; Jaques, J. A.; Pérez-Hedo, M. (2018). Zoophytophagous mirids provide pest control by inducing direct defences, antixenosis and attraction to parasitoids in sweet pepper plants. Pest Management Science, 74(6), 1286-1296. http://hdl.handle.net/20.500.11939/6194 10.1002/ps.4838 en Atribución-NoComercial-SinDerivadas 3.0 España http://creativecommons.org/licenses/by-nc-nd/3.0/es/ electronico
spellingShingle Bouagga, Sarra
Urbaneja, Alberto
Rambla, Jose L.
Flors, Victor
Granell, Antonio
Jaques, Josep A.
Pérez-Hedo, Mertixell
Zoophytophagous mirids provide pest control by inducing direct defences, antixenosis and attraction to parasitoids in sweet pepper plants
title Zoophytophagous mirids provide pest control by inducing direct defences, antixenosis and attraction to parasitoids in sweet pepper plants
title_full Zoophytophagous mirids provide pest control by inducing direct defences, antixenosis and attraction to parasitoids in sweet pepper plants
title_fullStr Zoophytophagous mirids provide pest control by inducing direct defences, antixenosis and attraction to parasitoids in sweet pepper plants
title_full_unstemmed Zoophytophagous mirids provide pest control by inducing direct defences, antixenosis and attraction to parasitoids in sweet pepper plants
title_short Zoophytophagous mirids provide pest control by inducing direct defences, antixenosis and attraction to parasitoids in sweet pepper plants
title_sort zoophytophagous mirids provide pest control by inducing direct defences antixenosis and attraction to parasitoids in sweet pepper plants
url http://hdl.handle.net/20.500.11939/6194
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