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Babin, D.* ; Sommermann, L.* ; Chowdhury, S.P. ; Behr, J.H.* ; Sandmann, M.* ; Neumann, G.* ; Nesme, J.* ; Sørensen, S.J.* ; Schellenberg, I.* ; Rothballer, M. ; Geistlinger, J.* ; Smalla, K.* ; Grosch, R.*

Distinct rhizomicrobiota assemblages and plant performance in lettuce grown in soils with different agricultural management histories.

FEMS Microbiol. Ecol. 97:fiab027 (2021)
DOI
Free by publisher: Publ. Version/Full Text online available 04/2023
A better understanding of factors shaping the rhizosphere microbiota is important for sustainable crop production. We hypothesized that the effect of agricultural management on the soil microbiota is reflected in the assemblage of the rhizosphere microbiota with implications for plant performance. We designed a growth chamber experiment growing the model plant lettuce under controlled conditions in soils of a long-term field experiment with contrasting histories of tillage (mouldboard plough vs cultivator tillage), fertilization intensity (intensive standard nitrogen (N) + pesticides/growth regulators vs extensive reduced N without fungicides/growth regulators), and last standing field crop (rapeseed vs winter wheat). High-throughput sequencing of bacterial/archaeal 16S rRNA genes and fungal ITS2 regions amplified from total community DNA showed that these factors shaped the soil and rhizosphere microbiota of lettuce, however, to different extents among the microbial groups. Pseudomonas and Olpidium were identified as major indicators for agricultural management in the rhizosphere of lettuce. Long-term extensive fertilization history of soils resulted in higher lettuce growth and increased expression of genes involved in plant stress responses compared to intensive fertilization. Our work adds to the increasing knowledge on how soil microbiota can be manipulated by agricultural management practices which could be harnessed for sustainable crop production.
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Publication type Article: Journal article
Document type Scientific Article
Keywords 16s Rrna Gene ; Its Region ; Crop Rotation ; Fertilization ; Plant Gene Expression ; Tillage; Arbuscular Mycorrhizal Fungus; Rhizosphere Microbiome; Oilseed Rape; Solubilizing Fungus; Brassica-napus; Communities; Biodiversity; Identification; Information; Sequences
ISSN (print) / ISBN 0168-6496
e-ISSN 1574-6941
Quellenangaben Volume: 97, Issue: 4, Pages: , Article Number: fiab027 Supplement: ,
Publisher Wiley
Publishing Place Oxford
Reviewing status Peer reviewed
Institute(s) Institute of Network Biology (INET)
Grants German Federal Ministry of Education and Research (BMBF, Germany)