Mostrar el registro sencillo del ítem
dc.contributor.author
Sotes, Gastón J.
dc.contributor.author
Cavieres, Lohengrin Alexis
dc.contributor.author
Montesinos, Daniel
dc.contributor.author
Pereira Coutinho, António Xavier
dc.contributor.author
Peláez, Walter José
dc.contributor.author
Martins Lopes, Susana Margarida
dc.contributor.author
Vasconcelos Dias de Pinho e Melo, Teresa Margarida
dc.date.available
2018-05-08T14:30:59Z
dc.date.issued
2015-07
dc.identifier.citation
Sotes, Gastón J.; Cavieres, Lohengrin Alexis; Montesinos, Daniel; Pereira Coutinho, António Xavier; Peláez, Walter José; et al.; Inter-regional variation on leaf surface defenses in native and non-native Centaurea solstitialis plants; Pergamon-Elsevier Science Ltd; Biochemical Systematics And Ecology; 62; 7-2015; 208-218
dc.identifier.issn
0305-1978
dc.identifier.uri
http://hdl.handle.net/11336/44393
dc.description.abstract
Plant chemical defenses can be qualitative (toxins) to face generalist herbivores and quantitative (digestibility reducers) to specialists. Trichomes can produce chemicals, but also acts as a quantitative defense and in water loss. The shifting defense hypothesis (SDH) poses that invasive plants reduce the production of qualitative defenses against specialist herbivores because those are frequently absent in invaded regions, while increasing defenses against generalist herbivores. Chemical and physical leaf surface defensive traits could give information about direct plant–herbivore interaction in native and non-native regions. We studied leaf surface morphology and epicuticular chemistry of the invasive C. solstitialis in plants from native and non-native regions. Across regions, the main chemical components were sesquiterpene lactones, similar densities of sessile glandular trichomes and a variable number of large multicellular trichomes. Exotic plants face different sets of challenges in the new regions. In accordance with SDH, plants from non-native regions presented higher total sesquiterpene lactones concentrations (qualitative defense). Trichome density was possibly associated to differences in local climatic conditions. Sesquiterpene lactones are likely to play an important role on the invasion success of Centaurea. Leaf surface components provide meaningful information that should be consider in future studies to unravel the mechanisms involved in plant invasions.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Pergamon-Elsevier Science Ltd
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Enemy Release Hypothesis
dc.subject
Shifting Defense Hypothesis
dc.subject
Sesquiterpene Lactones
dc.subject
Trichomes
dc.subject
Lipophilicity
dc.subject
Novel Weapons
dc.title
Inter-regional variation on leaf surface defenses in native and non-native Centaurea solstitialis plants
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-04-26T17:52:59Z
dc.journal.volume
62
dc.journal.pagination
208-218
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Sotes, Gastón J.. Universidad de Chile; Chile. Universidad de Concepción, Facultad de Ciencias Naturales y Oceanográficas, Departamento de Botánica; Chile
dc.description.fil
Fil: Cavieres, Lohengrin Alexis. Universidad de Concepción, Facultad de Ciencias Naturales y Oceanográficas, Departamento de Botánica; Chile. Universidad de Chile; Chile
dc.description.fil
Fil: Montesinos, Daniel. Universidad de Coimbra; Portugal
dc.description.fil
Fil: Pereira Coutinho, António Xavier. Universidad de Coimbra; Portugal
dc.description.fil
Fil: Peláez, Walter José. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; Argentina
dc.description.fil
Fil: Martins Lopes, Susana Margarida. Universidad de Coimbra; Portugal
dc.description.fil
Fil: Vasconcelos Dias de Pinho e Melo, Teresa Margarida. Universidad de Coimbra; Portugal
dc.journal.title
Biochemical Systematics And Ecology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0305197815002288
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.bse.2015.09.003
Archivos asociados