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Intraspecific variability in herbivore response to elemental defences is caused by the metal itself

2022-06-07Artigo científico Acesso aberto
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dc.contributor.authorGodinho, Diogo
dc.contributor.authorBranquinho, Cristina
dc.contributor.authorMagalhães, sara
dc.date.accessioned2022-07-01T16:23:24Z
dc.date.available2023-06-07T00:55:17Z
dc.date.issued2022-06-07
dc.description.abstractSome plants are able to accumulate on their leaves metals taken from the soil, using this as a defence against herbivorous arthropods. However, herbivore response to metal accumulation in plants is known to be variable. While some species and taxonomic groups are less affected than others, hormetic effects have also been observed in spider mites, herbivorous crop pests. Still, knowledge on the range and causes of intraspecific variation in the response of herbivores to metal accumulation is lacking. Here, using two species of spider mites, Tetranychus urticae and Tetranychus evansi, we tested the variation in 17 populations in response to cadmium-accumulating tomato plants and the drivers of such variation. We observed a nonlinear, hormetic response of mites to plants with cadmium in some, but not all, populations. The same pattern was recaptured in artificial diets with different concentrations of cadmium but not in artificial diets with sugars, which change in the plant in response to cadmium. This indicates that herbivores on metal-accumulating plants respond to metals, not to the variations in leaf carbohydrates. Therefore, metals exert different effects on herbivores according to the amount accumulated, but independently of other studied plant traits. This knowledge is key to the understanding of the mechanisms underlying herbivore responses to metal-based plant defences and to pesticides containing heavy metals. Additionally, our findings draw attention to the need of considering intraspecific variation and nonlinearities when studying the effects of metals and other contaminants on herbivorous arthropods.pt_PT
dc.description.versioninfo:eu-repo/semantics/acceptedVersionpt_PT
dc.identifier.citationGodinho, D.P., Branquinho, C. & Magalhães, S. Intraspecific variability in herbivore response to elemental defences is caused by the metal itself. J Pest Sci (2022). https://doi.org/10.1007/s10340-022-01525-0pt_PT
dc.identifier.doi10.1007/s10340-022-01525-0pt_PT
dc.identifier.urihttp://hdl.handle.net/10451/53604
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.relationERC Consolidator Grant (COMPCON, GA 725419)pt_PT
dc.relationFCT PD/BD/114010/2015pt_PT
dc.titleIntraspecific variability in herbivore response to elemental defences is caused by the metal itselfpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleJournal of Pest Sciencept_PT
person.familyNameGodinho
person.familyNameBranquinho
person.familyNameMagalhaes
person.givenNameDiogo
person.givenNameCristina
person.givenNamesara
person.identifierB-3670-2008
person.identifier.ciencia-idE91D-690E-96DC
person.identifier.ciencia-id801A-B46A-71BA
person.identifier.ciencia-id9111-5189-F926
person.identifier.orcid0000-0002-6890-5573
person.identifier.orcid0000-0001-8294-7924
person.identifier.orcid0000-0002-8609-7768
person.identifier.ridB-9673-2012
person.identifier.scopus-author-id6603447018
rcaap.embargofctO tipo de licença (Standard Licence) envolvido com a editora Springer Nature para esta revista, não envolvendo pagamento (APC), apenas permite acesso em repositório público do formato 'aceite' (i.e não editado e paginado pela editora) após período de embargo de 12 meses após a data da sua publicação finalpt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication614026c7-0df3-4ecd-af2d-5bfa98cb4eaa
relation.isAuthorOfPublication1de08ca7-36bd-4e52-898e-0a48564999e1
relation.isAuthorOfPublicationc733d207-c30c-4e27-ae86-6acae8a37c69
relation.isAuthorOfPublication.latestForDiscovery1de08ca7-36bd-4e52-898e-0a48564999e1

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