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Fitness consequences of a clock pollinator filter in <i>Nicotiana attenuata</i> flowers in nature
Cited 9 time in
Web of Science
Cited 11 time in Scopus
- Authors
- Issue Date
- 2017-11
- Publisher
- WILEY
- Citation
- JOURNAL OF INTEGRATIVE PLANT BIOLOGY, Vol.59 No.11, pp.805-809
- Abstract
- Nicotiana attenuata flowers, diurnally open, emit scents and move vertically to interact with nocturnal hawkmoth and day-active hummingbird pollinators. To examine the fitness consequences of these floral rhythms, we conducted pollination trials in the plant's native habitat with phase-shifted flowers of plants silenced in circadian clock genes. The results revealed that some pollination benefits observed under glasshouse conditions were not reproduced under natural field conditions. Floral arrhythmicity increased pollination success by hummingbirds, while reducing those by hawkmoths in the field. Thus, floral circadian rhythms may influence a plant's fitness by filtering pollinators leading to altered seed set from outcrossed pollen.
- ISSN
- 1672-9072
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