Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/7242
Appears in Collections:Biological and Environmental Sciences Journal Articles
Peer Review Status: Refereed
Title: Pollinator effectiveness and fruit set in common ivy, Hedera helix (Araliaceae)
Authors: Jacobs, Jennifer H
Clark, Suzanne J
Denholm, Ian
Goulson, Dave
Stoate, Chris
Osborne, Juliet L
Contact Email: dave.goulson@stir.ac.uk
Keywords: Fruit set
Pollination
Pollinator effectiveness
Vespula
Wasps
Hedgerow
Issue Date: Mar-2010
Publisher: Springer
Citation: Jacobs JH, Clark SJ, Denholm I, Goulson D, Stoate C & Osborne JL (2010) Pollinator effectiveness and fruit set in common ivy, Hedera helix (Araliaceae), Arthropod-Plant Interactions, 4 (1), pp. 19-28.
Abstract: Flowers of common ivy (Hedera helix L.) provide late season pollen and nectar for several insect groups, and its fruits are a winter and spring food source for frugivorous birds. Ivy benefits from insect pollination in order to set fruit, but it is unknown which flower-visiting insects are the most effective pollinators. Our observations suggest that Vespula wasps are potentially the most effective pollinators since they were frequent visitors, had relatively fast foraging rates, carried large numbers of pollen grains on their bodies and had the highest ‘Pollination potential PP index’ score (a measure of pollinator effectiveness) of all the insect groups examined. There was also a positive linear relationship between the proportion of ivy flowers that set fruit and wasp foraging activity in 0.5 m2 quadrats. Visits by Vespula wasps may therefore be important for ensuring a supply of ivy fruits for bi
Type: Journal Article
URI: http://hdl.handle.net/1893/7242
DOI Link: http://dx.doi.org/10.1007/s11829-009-9080-9
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: Rothamsted Research
Rothamsted Research
Rothamsted Research
Biological and Environmental Sciences
The Allerton Research and Educational Trust
Rothamsted Research

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