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Tetranychus urticae-triggered responses promote genotype-dependent conspecific repellence or attractiveness in citrus
dc.contributor.author | Agut, Blas | |
dc.contributor.author | Gamir, Jordi | |
dc.contributor.author | Jaques , Josep A. | |
dc.contributor.author | Flors, Victor | |
dc.date.accessioned | 2016-06-13T06:55:03Z | |
dc.date.available | 2016-06-13T06:55:03Z | |
dc.date.issued | 2015 | |
dc.identifier.citation | AGUT, Blas, et al. Tetranychus urticae‐triggered responses promote genotype‐dependent conspecific repellence or attractiveness in citrus. New Phytologist, 2015, vol. 207, no 3, p. 790-804. | ca_CA |
dc.identifier.issn | 0028-646X | |
dc.identifier.issn | 1469-8137 | |
dc.identifier.uri | http://hdl.handle.net/10234/160629 | |
dc.description.abstract | The citrus rootstocks sour orange and Cleopatra mandarin display differential resistance against Tetranychus urticae. Sour orange plants support reduced oviposition, growth rates and damage compared with Cleopatra mandarin plants. Jasmonic acid signalling and flavonoid accumulation have been revealed as key mechanisms for the enhanced resistance of sour orange plants. In this study, we observed that the release of T. urticae herbivore-induced plant volatiles (HIPVs) from sour orange plants has a marked repellent effect on conspecific mites associated with the production of the terpenes α-ocimene, α-farnesene, pinene and d-limonene, and the green leaf volatile 4-hydroxy-4-methyl-2-pentanone. By contrast, T. urticae HIPVs from Cleopatra mandarin plants promote conspecific mite attraction associated with an increase in (2-butoxyethoxy) ethanol, benzaldehyde and methyl salicylate levels. HIPVs released from sour orange plants following T. urticae infestation induce resistance in Cleopatra mandarin plants, thereby reducing oviposition rates and stimulating the oxylipin biosynthetic gene lipoxygenase2 (LOX2). Cleopatra HIPVs do not affect the response to T. urticae of these rootstocks. We conclude that sour orange plants promote herbivore-induced resistance in Cleopatra mandarin plants and, despite the weak basal resistance of these rootstocks, herbivore resistance can be induced through the combination of HIPVs, such as α-ocimene and d-limonene. | ca_CA |
dc.description.sponsorShip | This work was partially funded by the Spanish Plan Nacional I+D (AGL2011-30538-C03-01 and AGL2012-39923-C02-02). The authors are grateful to Cristian Vicent (Servicio de Instrumentación Científica–Universitat Jaume I) for technical assistance. We also thank Ivo Feussner (University of Goettingen, Germany) for providing Mar-Vis software and training to J.G. | ca_CA |
dc.format.extent | 15 p. | ca_CA |
dc.format.mimetype | application/pdf | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | Wiley | ca_CA |
dc.relation.isPartOf | New Phytologist, 2015, vol. 207, no 3 | ca_CA |
dc.rights | Copyright © John Wiley & Sons, Inc. | ca_CA |
dc.rights.uri | http://rightsstatements.org/vocab/InC/1.0/ | * |
dc.subject | citrus | ca_CA |
dc.subject | herbivore-induced plantvolatiles (HIPVs) | ca_CA |
dc.subject | induced resistance | ca_CA |
dc.subject | metabolomics | ca_CA |
dc.subject | Tetranychus urticae | ca_CA |
dc.subject | volatileorganic compounds (VOCs) | ca_CA |
dc.title | Tetranychus urticae-triggered responses promote genotype-dependent conspecific repellence or attractiveness in citrus | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | http://dx.doi.org/10.1111/nph.13357 | |
dc.rights.accessRights | info:eu-repo/semantics/restrictedAccess | ca_CA |
dc.relation.publisherVersion | http://onlinelibrary.wiley.com/doi/10.1111/nph.13357/full | ca_CA |
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