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Attracting antagonists: does floral nectar increase leaf herbivory?

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dc.contributorVirginia Techen
dc.contributor.authorAdler, Lynn S.en
dc.contributor.authorBronstein, Judith L.en
dc.contributor.departmentBiological Sciencesen
dc.date.accessed2014-03-11en
dc.date.accessioned2014-03-27T13:06:05Zen
dc.date.available2014-03-27T13:06:05Zen
dc.date.issued2004-06en
dc.description.abstractTraits that are attractive to mutualists may also attract antagonists, resulting in conflicting selection pressures. Here we develop the idea that increased floral nectar production can, in some cases, increase herbivory. In these situations, selection for increased nectar production to attract pollinators may be constrained by a linked cost of herbivore attraction. In support of this hypothesis, we report that experimentally supplementing nectar rewards in Datura stramonium led to increased oviposition by Manduca sexta, a sphingid moth that pollinates flowers, but whose larvae feed on leaf tissue. We speculate that nectar composition may provide information about plant nutritional status or defense that floral visitors could use to make oviposition decisions. Thus, selection by floral visitors and leaf herbivores may be inextricably intertwined, and herbivores may represent a relatively unexplored agent of selection on nectar traits.en
dc.description.sponsorshipVirginia Tech Department of Biologyen
dc.description.sponsorshipNSF DEB-0211480en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationLynn S. Adler and Judith L. Bronstein 2004. ATTRACTING ANTAGONISTS: DOES FLORAL NECTAR INCREASE LEAF HERBIVORY? Ecology 85:1519-1526. http://dx.doi.org/10.1890/03-0409en
dc.identifier.doihttps://doi.org/10.1890/03-0409en
dc.identifier.issn0012-9658en
dc.identifier.urihttp://hdl.handle.net/10919/46840en
dc.identifier.urlhttp://www.esajournals.org/doi/pdf/10.1890/03-0409en
dc.language.isoenen
dc.publisherEcological Society of Americaen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectdatura stramoniumen
dc.subjectherbivoryen
dc.subjectmanduca sextaen
dc.subjectmutualismen
dc.subjectnaturalen
dc.subjectselectionen
dc.subjectnectar compositionen
dc.subjectnectar rewarden
dc.subjectovipositionen
dc.subjectpollinationen
dc.subjectflower-color polymorphismen
dc.subjectoptimal defense theoryen
dc.subjectdatura-stramoniumen
dc.subjectwild radishen
dc.subjectplant fitnessen
dc.subjectevolutionary ecologyen
dc.subjectnatural-selectionen
dc.subjectipomopsis-aggregataen
dc.subjectipomoea purpureaen
dc.subjectseed predatorsen
dc.titleAttracting antagonists: does floral nectar increase leaf herbivory?en
dc.title.serialEcologyen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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