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Plant–soil feedback effects on conspecific and heterospecific successors of annual and perennial Central European grassland plants are correlated

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2023

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Nature Plants. Nature Publishing Group. 2023, 9, S. 1057-1066. ISSN 2055-026X. eISSN 2055-0278. Verfügbar unter: doi: 10.1038/s41477-023-01433-w

Zusammenfassung

Plant–soil feedbacks (PSFs), soil-mediated plant effects on conspecific or heterospecific successors, are a major driver of vegetation development. It has been proposed that specialist plant antagonists drive differences in PSF responses between conspecific and heterospecific plants, whereas contributions of generalist plant antagonists to PSFs remain understudied. Here we examined PSFs among nine annual and nine perennial grassland species to test whether poorly defended annuals accumulate generalist-dominated plant antagonist communities, causing equally negative PSFs on conspecific and heterospecific annuals, whereas well-defended perennial species accumulate specialist-dominated antagonist communities, predominantly causing negative conspecific PSFs. Annuals exhibited more negative PSFs than perennials, corresponding to differences in root–tissue investments, but this was independent of conditioning plant group. Overall, conspecific and heterospecific PSFs did not differ. Instead, conspecific and heterospecific PSF responses in individual species’ soils were correlated. Soil fungal communities were generalist dominated but could not robustly explain PSF variation. Our study nevertheless suggests an important role for host generalists as drivers of PSFs.

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570 Biowissenschaften, Biologie

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ISO 690WILSCHUT, Rutger A., Benjamin C. C. HUME, Ekaterina MAMONOVA, Mark VAN KLEUNEN, 2023. Plant–soil feedback effects on conspecific and heterospecific successors of annual and perennial Central European grassland plants are correlated. In: Nature Plants. Nature Publishing Group. 2023, 9, S. 1057-1066. ISSN 2055-026X. eISSN 2055-0278. Verfügbar unter: doi: 10.1038/s41477-023-01433-w
BibTex
@article{Wilschut2023Plant-67174,
  year={2023},
  doi={10.1038/s41477-023-01433-w},
  title={Plant–soil feedback effects on conspecific and heterospecific successors of annual and perennial Central European grassland plants are correlated},
  volume={9},
  issn={2055-026X},
  journal={Nature Plants},
  pages={1057--1066},
  author={Wilschut, Rutger A. and Hume, Benjamin C. C. and Mamonova, Ekaterina and van Kleunen, Mark}
}
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