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Phylogenetic trait conservatism predicts patterns of plant-soil feedback

Citation

Senior, JK and Potts, BM and O'Reilly-Wapstra, JM and Bisset, A and Wooliver, RC and Bailey, JK and Glen, M and Schweitzer, JA, Phylogenetic trait conservatism predicts patterns of plant-soil feedback, Ecosphere, 9, (10) Article e02409. ISSN 2150-8925 (2018) [Refereed Article]


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DOI: doi:10.1002/ecs2.2409

Abstract

Plant‐soil feedbacks (PSFs) are important drivers of plant community structure and diversity, with species varying in the way they both condition soils and respond to them. While plant phylogenetic relationships alone can predict this variation in some instances, trait conservatism across phylogenies may provide more reliable predictions. Using integrated common garden and glasshouse inoculation experiments including 13 Eucalyptus species across two subgenera, we specifically investigated soil microbial conditioning and root chemical traits as underlying drivers of phylogenetic differences in PSF. We found that eucalypt species responded variably to soils conditioned by closely related species, depending on their phylogenetic lineage, which was further related to root terpene concentrations and the presence/absence of specific fungal taxa in conditioned soils. Overall, these findings show that trait conservatism in root chemical traits and the subsequent conditioning of soil microbial communities can explain whether or not plants show phylogenetic patterns in PSF.

Item Details

Item Type:Refereed Article
Keywords:Eucalyptus, phylogenetic signal, plant-soil feedback, soil conditioning, soil inoculation, soil microbes
Research Division:Biological Sciences
Research Group:Ecology
Research Field:Terrestrial Ecology
Objective Division:Plant Production and Plant Primary Products
Objective Group:Forestry
Objective Field:Native Forests
Author:Senior, JK (Mr John Senior)
Author:Potts, BM (Professor Brad Potts)
Author:O'Reilly-Wapstra, JM (Dr Julianne O'Reilly-Wapstra)
Author:Glen, M (Dr Morag Glen)
ID Code:128686
Year Published:2018
Funding Support:Australian Research Council (DP160101650)
Deposited By:Plant Science
Deposited On:2018-10-06
Last Modified:2018-10-10
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