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Selection on plant optical traits and floral scent: Effects via seed development and antagonistic interactions
Stockholm University, Faculty of Science, Department of Botany.
2012 (English)In: Basic and Applied Ecology, ISSN 1439-1791, E-ISSN 1618-0089, Vol. 13, no 6, 509-515 p.Article in journal (Refereed) 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.

Place, publisher, year, edition, pages
2012. Vol. 13, no 6, 509-515 p.
Keyword [en]
Fitness, Floral scent, Fragrance, Perennial herb, Plant height, Pollination, Pre-dispersal seed predation, Primula veris, Seed production
National Category
Botany
Identifiers
URN: urn:nbn:se:su:diva-88380DOI: 10.1016/j.baae.2012.08.001ISI: 000314571500003OAI: oai:DiVA.org:su-88380DiVA: diva2:610946
Note

AuthorCount:3;

Available from: 2013-03-13 Created: 2013-03-13 Last updated: 2017-12-06Bibliographically approved

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