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Proc Biol Sci


Title:Reward quality influences the development of learned olfactory biases in honeybees
Author(s):Wright GA; Choudhary AF; Bentley MA;
Address:"Biology Division, Centre for Behaviour and Evolution, Newcastle University, Newcastle upon Tyne NE1 7RU, UK. jeri.wright@ncl.ac.uk"
Journal Title:Proc Biol Sci
Year:2009
Volume:20090415
Issue:1667
Page Number:2597 - 2604
DOI: 10.1098/rspb.2009.0040
ISSN/ISBN:0962-8452 (Print) 1471-2954 (Electronic) 0962-8452 (Linking)
Abstract:"Plants produce flowers with complex visual and olfactory signals, but we know relatively little about the way that signals such as floral scents have evolved. One important factor that may direct the evolution of floral signals is a pollinator's ability to learn. When animals learn to associate two similar signals with different outcomes, biases in their responses to new signals can be formed. Here, we investigated whether or not pollinators develop learned biases towards floral scents that depend on nectar reward quality by training restrained honeybees to learn to associate two similar odour signals with different outcomes using a classical conditioning assay. Honeybees developed learned biases towards odours as a result of differential conditioning, and the extent to which an olfactory bias could be produced depended upon the difference in the quality of the nectar rewards experienced during conditioning. Our results suggest that differences in reward quality offered by flowers influence odour recognition by pollinators, which in turn could influence the evolution of floral scents in natural populations of co-flowering plants"
Keywords:"Animals Bees/*physiology Behavior, Animal/physiology Flowers/*chemistry Learning/*physiology Odorants Smell/*physiology;"
Notes:"MedlineWright, Geraldine A Choudhary, Amir F Bentley, Michael A eng Research Support, Non-U.S. Gov't England 2009/04/17 Proc Biol Sci. 2009 Jul 22; 276(1667):2597-604. doi: 10.1098/rspb.2009.0040. Epub 2009 Apr 15"

 
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