Quick Search:

uzh logo
Browse by:
bullet
bullet
bullet
bullet

Zurich Open Repository and Archive

Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-26859

Waelti, M O; Page, P A; Widmer, A; Schiestl, F P (2009). How to be an attractive male: floral dimorphism and attractiveness to pollinators in a dioecious plant. BMC Evolutionary Biology, 9:190.

[img]
Preview
PDF
1MB

View at publisher

Abstract

BACKGROUND: Sexual selection theory predicts that males are limited in their reproductive success by access to mates, whereas females are more limited by resources. In animal-pollinated plants, attraction of pollinators and successful pollination is crucial for reproductive success. In dioecious plant species, males should thus be selected to increase their attractiveness to pollinators by investing more than females in floral traits that enhance pollinator visitation. We tested the prediction of higher attractiveness of male flowers in the dioecious, moth-pollinated herb Silene latifolia, by investigating floral signals (floral display and fragrance) and conducting behavioral experiments with the pollinator-moth, Hadena bicruris. RESULTS: As found in previous studies, male plants produced more but smaller flowers. Male flowers, however, emitted significantly larger amounts of scent than female flowers, especially of the pollinator-attracting compounds. In behavioral tests we showed that naïve pollinator-moths preferred male over female flowers, but this preference was only significant for male moths. CONCLUSION: Our data suggest the evolution of dimorphic floral signals is shaped by sexual selection and pollinator preferences, causing sexual conflict in both plants and pollinators.

Citations

15 citations in Web of Science®
18 citations in Scopus®
Google Scholar™

Altmetrics

Downloads

17 downloads since deposited on 15 Jan 2010
4 downloads since 12 months

Detailed statistics

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Systematic Botany and Botanical Gardens
DDC:580 Plants (Botany)
Language:English
Date:2009
Deposited On:15 Jan 2010 11:45
Last Modified:28 Nov 2013 01:59
Publisher:BioMed Central
ISSN:1471-2148
Publisher DOI:10.1186/1471-2148-9-190
PubMed ID:19660122

Users (please log in): suggest update or correction for this item

Repository Staff Only: item control page