2023
DOI: 10.1002/ajb2.16184
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Pollen layering and male–male competition: Quantum dots demonstrate that pollen grains compete for space on pollinators

Abstract: Premise: Almost nothing is known about what happens to pollen grains once they attach to pollinators, although some have postulated that pollen from different donors may form complex, two-or three-dimensional landscapes (e.g., layers or mosaics) that can facilitate male-male competition. For example, pollen that is already on pollinators may preclude the deposition of subsequent pollen grains. Methods: Using quantum dots to mark the pollen of individual flowers, we explored the possibilities of layering and pr… Show more

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Cited by 7 publications
(1 citation statement)
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“…The arrangement of pollen on the bees' bodies could also be a factor in dispersal distance. In at least some plants, pollen competes for space on pollinators' bodies, causing the pollen that is collected earlier or later in a foraging bout to be deposited differentially on stigmas (Cocucci et al, 2014; Moir and Anderson, 2023). Grooming behavior could also potentially affect dispersal distance when pollen that has been covered by subsequent collection is uncovered by grooming.…”
Section: Discussionmentioning
confidence: 99%
“…The arrangement of pollen on the bees' bodies could also be a factor in dispersal distance. In at least some plants, pollen competes for space on pollinators' bodies, causing the pollen that is collected earlier or later in a foraging bout to be deposited differentially on stigmas (Cocucci et al, 2014; Moir and Anderson, 2023). Grooming behavior could also potentially affect dispersal distance when pollen that has been covered by subsequent collection is uncovered by grooming.…”
Section: Discussionmentioning
confidence: 99%