Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/915
Appears in Collections:Biological and Environmental Sciences Journal Articles
Peer Review Status: Refereed
Title: Breeding system, pollinator choice, and variation in pollen quality in British herbaceous plants
Authors: Hanley, Michael E
Franco, Miguel
Pichon, Samuel
Darvill, Ben
Goulson, Dave
Contact Email: Dave.Goulson@stir.ac.uk
Keywords: Bumblebee
Foraging behaviour
Pollination
Pollinator reward
Pollination syndrome
Issue Date: Aug-2008
Publisher: Blackwell Publishing / British Ecological Society
Citation: Hanley ME, Franco M, Pichon S, Darvill B & Goulson D (2008) Breeding system, pollinator choice, and variation in pollen quality in British herbaceous plants, Functional Ecology, 22 (4), pp. 592-598.
Abstract: 1 Although it is well established that different plant species vary considerably in the quality of pollinator rewards they offer, it is unclear how plant reproductive systems, in particular an obligate dependence on insects for pollination, might influence the evolution of pollinator rewards. Moreover, unlike the interaction between nectar reward and pollinator visitation, we have a limited understanding of the way in which pollen quality influences pollinator behaviour. 2 We quantified the pollen protein and amino acid content for 23 N-W European plant species. Pollen quality was compared with breeding system (facultative-insect vs. obligate-insect pollinated). A subset of 18 plants was sampled from a single habitat. For these we compared the proportion of pollen collection visits made by bumblebees with the quality of pollen offered. 3 We found a significant association between pollen quality and reproductive system; pollen of obligate insect pollinated species contained higher protein content. We also found a significant relationship with pollinator use; plants most frequently visited by pollen-collecting bumblebees produced the highest quality pollen. 4 We discuss how the close relationship between pollen quality and bumblebee attraction may have important benefits for plant reproductive success. However we also show how the disruption of this mutualism can have detrimental consequences for plant and pollinator alike.
Type: Journal Article
URI: http://hdl.handle.net/1893/915
DOI Link: http://dx.doi.org/10.1111/j.1365-2435.2008.01415.x
Rights: The publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author; you can only request a copy if you wish to use this work for your own research or private study.
Affiliation: University of Plymouth
University of Plymouth
University of Poitiers
Biological and Environmental Sciences
Biological and Environmental Sciences

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