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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1111/nph.14253
|2 doi
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|a eng
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|a Kolton, Max
|e verfasserin
|4 aut
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|a Biochar-stimulated plant performance is strongly linked to microbial diversity and metabolic potential in the rhizosphere
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 12.02.2018
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|a Date Revised 07.12.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2016 The Authors. New Phytologist © 2016 New Phytologist Trust.
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|a The 'biochar effect' depicts a phenomenon in which biochar soil amendment enhances plant performance by promoting growth and suppressing disease. Although this phenomenon has been observed in numerous studies, the mode of action that explains it is currently unknown. In order to elucidate mechanisms responsible for the 'biochar effect', we comprehensively monitored tomato plant development and resistance to the foliar fungal pathogen Botrytis cinerea, in biochar-amended and nonamended soils using native biochar and washed biochar, striped of labile chemical constituents. We concomitantly assessed bacterial community succession in the rhizosphere by high-throughput 16S rRNA gene amplicon sequencing and carbon-source utilization profiling. Biochar had little impact on plant physiological parameters. However, both native and washed biochar treatments were characterized by higher rhizosphere bacterial diversity and enhanced carbohydrate and phenolic compound utilization rates coupled to stimulation of bacteria known to degrade phenolic compounds. This study indicates that the 'biochar effect' is at least partially dictated by increased diversity and changes in metabolic potential in the rhizosphere microbiome, which is primarily triggered by the recalcitrant carbon backbone of the biochar and tightly bound compounds. It corresponds to the growing consensus that soil amendments which enhance microbial diversity have important benefits to ecosystem functioning
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|a Journal Article
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|a biochar
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|a ecosystem functioning
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|a metabolic potential
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|a microbial diversity
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|a plant growth
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|a plant resistance
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|a rhizosphere
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|a Soil
|2 NLM
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|a biochar
|2 NLM
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|a Charcoal
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|a Carbon
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|a 7440-44-0
|2 NLM
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| 700 |
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|a Graber, Ellen R
|e verfasserin
|4 aut
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|a Tsehansky, Ludmila
|e verfasserin
|4 aut
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| 700 |
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|a Elad, Yigal
|e verfasserin
|4 aut
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|a Cytryn, Eddie
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 213(2017), 3 vom: 01. Feb., Seite 1393-1404
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|x 1469-8137
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|g volume:213
|g year:2017
|g number:3
|g day:01
|g month:02
|g pages:1393-1404
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|u http://dx.doi.org/10.1111/nph.14253
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