|Flower of Gentianopsis detonsa (Gentianaceae), the species that showed the strongest extension of floral longevity (2.7 days). Photograph by Barbara A. Thomson|
11 December, 2017
05 December, 2017
by Rob Patchett, Gavin Ballantyne and Pat Willmer
Counting the number of pollen grains deposited on a flower stigma after a single visit by an animal – normally an insect - is a method commonly used to compare the performance of pollinators....
|Syrphid fly on a turnip (Brassica rapa) flower.|
Here, we investigated whether counting the number of pollen grains deposited by different insect visitors placed them in the same order of pollinator performance compared to counting the number of germinated pollen grains. We chose the turnip as a study plant because it is self-incompatible – self-pollen will not germinate.
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