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Selection on plant optical traits and floral scent: Effects via seed development and antagonistic interactions
KTH, Skolan för kemivetenskap (CHE), Kemi, Organisk kemi. (Group of Ecological Chemistry)
2012 (engelsk)Inngår i: Basic and Applied Ecology, ISSN 1439-1791, E-ISSN 1618-0089, Vol. 13, nr 6, s. 509-515Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Evolutionary explanations of plant reproductive traits have usually emphasized optical characteristics of plants and selection mediated by pollinators. In recent years, studies have been broadened by incorporating also interactions with antagonists and by studying plant fragrant cues. Here, we examined if optical and fragrance traits of the perennial herb Primula veris correlated with reproductive success, in terms of fruit and seed set, and with avoidance of seed predators. Selection path analysis showed that both optical and fragrance traits influenced total seed production, and effects occurred both via fruit and seed set and via predator avoidance. In one case the same trait, inflorescence height, influenced total seed production both positively and negatively through effects on different components of fitness. Our results lend support to the notion that selection by mutualists and antagonists simultaneously acts on optical and fragrance traits.

sted, utgiver, år, opplag, sider
2012. Vol. 13, nr 6, s. 509-515
Emneord [en]
Fitness, Floral scent, Fragrance, Perennial herb, Plant height, Pollination, Pre-dispersal seed predation, Primula veris, Seed production, Primulaceae
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-106966DOI: 10.1016/j.baae.2012.08.001ISI: 000314571500003Scopus ID: 2-s2.0-84867726463OAI: oai:DiVA.org:kth-106966DiVA, id: diva2:574247
Forskningsfinansiär
Swedish Research Council
Merknad

QC 20121205

Tilgjengelig fra: 2012-12-05 Laget: 2012-12-05 Sist oppdatert: 2017-12-07bibliografisk kontrollert

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Borg-Karlson, Anna Karin
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