Drought legacy effects on root morphological traits and plant biomass via soil biota feedback

© 2022 The Authors. New Phytologist © 2022 New Phytologist Foundation.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 236(2022), 1 vom: 18. Okt., Seite 222-234
1. Verfasser: Lozano, Yudi M (VerfasserIn)
Weitere Verfasser: Aguilar-Trigueros, Carlos A, Ospina, Jenny M, Rillig, Matthias C
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't aboveground-belowground interactions global change drivers plant-soil feedback plant-soil interactions root morphological traits soil conditioned by drought soil fungal communities soil inoculum mehr... Soil Water 059QF0KO0R
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500 |a Date Completed 09.09.2022 
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520 |a © 2022 The Authors. New Phytologist © 2022 New Phytologist Foundation. 
520 |a Drought causes soil feedback effects on plant performance. However, how the linkages between conditioned soil biota and root traits contribute to explain plant-soil feedback (PSF) as a function of drought is unknown. We utilized soil inoculum from a conditioning experiment where grassland species grew under well-watered and drought conditions, and their soil fungi were analyzed. Under well-watered conditions, we grew 21 grassland species with those inocula from either conspecific or heterospecific soils. At harvest, plant biomass and root traits were measured. Negative PSF (higher biomass in heterospecific than in conspecific soils) was predominant, and favored in drought-conditioned soils. Previous drought affected the relationship between root traits and fungal groups. Specific root surface area (SRSA) was higher in heterospecific than in conspecific droughted soils and was linked to an increase in saprotroph richness. Overall, root diameter was higher in conspecific soils and was linked to mutualist and pathogen composition, whereas the decrease of root : shoot in heterospecific soils was linked to pathogenic fungi. Drought legacy affects biomass and root morphological traits via conditioned soil biota, even after the drought conditions have disappeared. This provides new insights into the role that soil biota have modulating PSF responses to drought 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a aboveground-belowground interactions 
650 4 |a global change drivers 
650 4 |a plant-soil feedback 
650 4 |a plant-soil interactions 
650 4 |a root morphological traits 
650 4 |a soil conditioned by drought 
650 4 |a soil fungal communities 
650 4 |a soil inoculum 
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700 1 |a Aguilar-Trigueros, Carlos A  |e verfasserin  |4 aut 
700 1 |a Ospina, Jenny M  |e verfasserin  |4 aut 
700 1 |a Rillig, Matthias C  |e verfasserin  |4 aut 
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773 1 8 |g volume:236  |g year:2022  |g number:1  |g day:18  |g month:10  |g pages:222-234 
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