Soil-borne pathogens as determinants of regeneration patterns at community level in Mediterranean forests

© 2020 The Authors. New Phytologist © 2020 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 227(2020), 2 vom: 01. Juli, Seite 588-600
1. Verfasser: Domínguez-Begines, Jara (VerfasserIn)
Weitere Verfasser: Ávila, José M, García, Luis V, Gómez-Aparicio, Lorena
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Phytophthora cinnamomi Mediterranean mixed forests exotic pathogens neighbourhood models oak decline oomycete plant community seedling establishment Soil
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245 1 0 |a Soil-borne pathogens as determinants of regeneration patterns at community level in Mediterranean forests 
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500 |a published: Print-Electronic 
500 |a CommentIn: New Phytol. 2020 Jul;227(2):283-285. - PMID 32386332 
500 |a Citation Status MEDLINE 
520 |a © 2020 The Authors. New Phytologist © 2020 New Phytologist Trust. 
520 |a Emergent diseases are an increasing problem in forests worldwide. Exotic pathogens are now threatening forests where pathogens have not traditionally been considered to be major ecological drivers of tree demography, such as water-limited Mediterranean forests. However, how pathogens might limit regeneration in invaded forests is largely unknown. Here we used fungicide to analyse the impact of soil-borne oomycete pathogens on seedling establishment at community level in Mediterranean forests invaded by the exotic oomycete Phytophthora cinnamomi. Fungicide effects were modelled as a function of the tree neighbourhood composition, the seed mass of the target species, and the abiotic environment. Fungicide application had positive effects on seedling performance that varied in magnitude and spatial structure among coexisting species. Seed mass predicted fungicide effects on seedling emergence, but not on survival or growth. Positive fungicide effects were modulated by levels of abiotic resources, mainly water, increasing with soil moisture. Our results support a novel role for soil-borne oomycete pathogens as one more axis of the regeneration niche of woody species in water-limited forests. Given the increasing numbers of exotic oomycete pathogens worldwide, more research is needed to understand the role of this relevant microbial group as a factor shaping seedling establishment 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Phytophthora cinnamomi 
650 4 |a Mediterranean mixed forests 
650 4 |a exotic pathogens 
650 4 |a neighbourhood models 
650 4 |a oak decline 
650 4 |a oomycete 
650 4 |a plant community 
650 4 |a seedling establishment 
650 7 |a Soil  |2 NLM 
700 1 |a Ávila, José M  |e verfasserin  |4 aut 
700 1 |a García, Luis V  |e verfasserin  |4 aut 
700 1 |a Gómez-Aparicio, Lorena  |e verfasserin  |4 aut 
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773 1 8 |g volume:227  |g year:2020  |g number:2  |g day:01  |g month:07  |g pages:588-600 
856 4 0 |u http://dx.doi.org/10.1111/nph.16467  |3 Volltext 
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