Less fit Lamium amplexicaule plants produce more dispersible seeds.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
19 04 2019
19 04 2019
Historique:
received:
11
05
2018
accepted:
25
03
2019
entrez:
21
4
2019
pubmed:
21
4
2019
medline:
7
10
2020
Statut:
epublish
Résumé
Theory predicts that less fit individuals would disperse more often than fitter ones (Fitness Associated Dispersal, FAD hypothesis). To test this prediction under laboratory conditions, an entire life cycle of Lamium amplexicaule plants and the preferences of its dispersal agent, Messor ebeninus ants, were tracked. Characterization of individual L. amplexicaule plant revealed high variability in spot cover on the surface of the seeds, where less fit plants produce "unspotted seeds" (see Fig. 1 in Introduction). Unspotted L. amplexicaule seeds showed higher variation in germination time and lower germination rate. Moreover, M. ebeninus ants preferably collected these unspotted seeds. Our results show that low fitness L. amplexicaule plants produce seeds with higher potential for dispersal, supporting the FAD hypothesis in a plant-animal system.
Identifiants
pubmed: 31004098
doi: 10.1038/s41598-019-42158-1
pii: 10.1038/s41598-019-42158-1
pmc: PMC6474898
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
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