Flowers respond to pollinator sound within minutes by increasing nectar sugar concentration.
Communication
nectar
plant bioacoustics
plant-pollinator interactions
pollination
signalling
vibration
Journal
Ecology letters
ISSN: 1461-0248
Titre abrégé: Ecol Lett
Pays: England
ID NLM: 101121949
Informations de publication
Date de publication:
Sep 2019
Sep 2019
Historique:
received:
02
12
2018
revised:
07
01
2019
revised:
26
03
2019
accepted:
10
04
2019
pubmed:
10
7
2019
medline:
8
10
2019
entrez:
10
7
2019
Statut:
ppublish
Résumé
Can plants sense natural airborne sounds and respond to them rapidly? We show that Oenothera drummondii flowers, exposed to playback sound of a flying bee or to synthetic sound signals at similar frequencies, produce sweeter nectar within 3 min, potentially increasing the chances of cross pollination. We found that the flowers vibrated mechanically in response to these sounds, suggesting a plausible mechanism where the flower serves as an auditory sensory organ. Both the vibration and the nectar response were frequency-specific: the flowers responded and vibrated to pollinator sounds, but not to higher frequency sound. Our results document for the first time that plants can rapidly respond to pollinator sounds in an ecologically relevant way. Potential implications include plant resource allocation, the evolution of flower shape and the evolution of pollinators sound. Finally, our results suggest that plants may be affected by other sounds as well, including anthropogenic ones.
Identifiants
pubmed: 31286633
doi: 10.1111/ele.13331
pmc: PMC6852653
doi:
Substances chimiques
Plant Nectar
0
Sugars
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1483-1492Subventions
Organisme : Smaller Winnikow Fellowship
Organisme : Manna Center Program for Food Safety and Security fellowships
Organisme : Bikura
ID : 2308/16
Organisme : Israel Science Foundation
ID : 1568/13
Organisme : Bikura
ID : 2064/18
Informations de copyright
© 2019 The Authors. Ecology Letters published by CNRS and John Wiley & Sons Ltd.
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