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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

Yon, Felipe; Kessler, Danny; Joo, Youngsung; Kim, Sang-Gyu; Baldwin, Ian T.

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
URI
https://hdl.handle.net/10371/200895
DOI
https://doi.org/10.1111/jipb.12579
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  • College of Natural Sciences
  • School of Biological Sciences
Research Area Ecology, Evolutionary Biology, Plant Sciences, 생태학, 식물과학, 진화생물학

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