Phylogenetically independent associations between autonomous self-fertilization and plant invasiveness

van Kleunen, Mark; Manning, John C.; Pasqualetto, Vanessa; Johnson, Steven D.

Phylogenetically independent associations between autonomous self-fertilization and plant invasiveness

Dateien

van Kleunen.pdfGröße: 11.82 MBDownloads: 504

Datum

2008

Autor:innen

van Kleunen, Mark

Manning, John C.

Pasqualetto, Vanessa

Johnson, Steven D.

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Biologie

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

The American Naturalist. 2008, 171(2), pp. 195-201. ISSN 0003-0147. eISSN 1537-5323. Available under: doi: 10.1086/525057

Zusammenfassung

Many plant species have been introduced from their native ranges to new continents, but few have become naturalized or, ultimately, invasive. It has been predicted that species that do not require the presence of compatible mates and the services of pollinators for reproduction will be favored in establishment after longdistance dispersal. We tested whether this hypothesis, generally referred to as Baker’s law, holds for South African species of Iridaceae (iris family) that have been introduced in other regions for horticultural purposes. Fruit and seed production of flowers from which pollinators had been experimentally excluded was assessed for 10 pairs of species from nine different genera or subgenera. Each species pair comprised one naturalized and one nonnaturalized species, all of which are used in international horticulture. On average, species of Iridaceae that have become naturalized outside their native ranges showed a higher capacity for autonomous fruit and seed production than congeneric species that have not become naturalized. This was especially true for the naturalized species that are considered to be invasive weeds. These results provide strong evidence for the role of autonomous seed production in increasing potential invasiveness in plants.

Fachgebiet (DDC)

570 Biowissenschaften, Biologie

Schlagwörter

alien species, Baker’s law, biological invasion, breeding system, pollination, self-compatibility

Zitieren

ISO 690

VAN KLEUNEN, Mark, John C. MANNING, Vanessa PASQUALETTO, Steven D. JOHNSON, 2008. Phylogenetically independent associations between autonomous self-fertilization and plant invasiveness. In: The American Naturalist. 2008, 171(2), pp. 195-201. ISSN 0003-0147. eISSN 1537-5323. Available under: doi: 10.1086/525057

BibTex

@article{vanKleunen2008-02Phylo-13312,
  year={2008},
  doi={10.1086/525057},
  title={Phylogenetically independent associations between autonomous self-fertilization and plant invasiveness},
  number={2},
  volume={171},
  issn={0003-0147},
  journal={The American Naturalist},
  pages={195--201},
  author={van Kleunen, Mark and Manning, John C. and Pasqualetto, Vanessa and Johnson, Steven D.}
}

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