Virulence of soil-borne pathogens and invasion by Prunus serotina

The New Phytologist
Kurt O ReinhartK Clay

Abstract

*Globally, exotic invaders threaten biodiversity and ecosystem function. Studies often report that invading plants are less affected by enemies in their invaded vs home ranges, but few studies have investigated the underlying mechanisms. *Here, we investigated the variation in prevalence, species composition and virulence of soil-borne Pythium pathogens associated with the tree Prunus serotina in its native US and non-native European ranges by culturing, DNA sequencing and controlled pathogenicity trials. *Two controlled pathogenicity experiments showed that Pythium pathogens from the native range caused 38-462% more root rot and 80-583% more seedling mortality, and 19-45% less biomass production than Pythium from the non-native range. DNA sequencing indicated that the most virulent Pythium taxa were sampled only from the native range. The greater virulence of Pythium sampled from the native range therefore corresponded to shifts in species composition across ranges rather than variation within a common Pythium species. *Prunus serotina still encounters Pythium in its non-native range but encounters less virulent taxa. Elucidating patterns of enemy virulence in native and nonnative ranges adds to our understanding of how invasi...Continue Reading

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Citations

Sep 24, 2013·Nature Reviews. Microbiology·Laurent PhilippotWim H van der Putten
Nov 28, 2014·Nature·Richard D Bardgett, Wim H van der Putten
Jul 20, 2010·Trends in Ecology & Evolution· Inderjit, Wim H van der Putten
Oct 3, 2012·The New Phytologist·Sabrina CarvalhoWim H van der Putten
Aug 29, 2014·Ecology and Evolution·Meng Xu, Shixiao Yu
Apr 10, 2015·AoB Plants·Mette VestergårdFlemming Ekelund
Mar 19, 2015·AoB Plants· Inderjit, James F Cahill
Jan 19, 2018·Ecology·Matthew J Rinella, Kurt O Reinhart
Jun 24, 2020·PloS One·Boahemaa Adu-OppongGautam Dantas
Jan 8, 2016·The New Phytologist·Kurt O Reinhart, Matthew J Rinella
Apr 3, 2019·Frontiers in Microbiology·Marta ManrubiaWim H van der Putten
Aug 16, 2017·Ecology and Evolution·Ellen V CrockerBernd Blossey
Apr 7, 2019·Nature Communications·Rutger A WilschutStefan Geisen
Feb 17, 2021·Trends in Ecology & Evolution·Lisa HülsmannFlorian Hartig
May 26, 2021·Oecologia·Clarice M Esch, Richard K Kobe
Jan 15, 2017·Microbiology Spectrum·Aad J Termorshuizen

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