Article (Scientific journals)
Chronic fertilization of 37 years alters the phylogenetic structure of soil arbuscular mycorrhizal fungi in Chinese Mollisols
Ma, Mingchao; Ongena, Marc; Wang, Qingfeng et al.
2018In AMB Express, 8 (57)
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Keywords :
Black soil; Inorganic fertilizer; Manure; AMF; Illumina MiSeq sequencing
Abstract :
[en] Arbuscular mycorrhizal fungi (AMF) play vital roles in sustaining soil productivity and plant communities. However, adaption and differentiation of AMF in response to commonly used fertilization remain poorly understood. In this study, we showed that the AMF community composition was primarily driven by soil physiochemical changes associated with chronic inorganic and organic fertilization of 37 years in Mollisols. High-throughput sequencing indicated that inorganic fertilizer negatively affected AMF diversity and richness, implying a reduction of mutualism in plant–AMF symbiosis; however, a reverse trend was observed for the application of inorganic fertilizer combined with manure. With regards to AMF community composition, order Glomerales was dominant, but varied significantly among different fertilization treatments. All fertilization treatments decreased family Glomeraceae and genus Funneliformis, while Rhizophagus abundance increased. Plant-growth-promoting-microorganisms of family Claroideoglomeraceae and genus Claroideoglomus were stimulated by manure application, and likely benefited pathogen suppression and phosphorus (P) acquisition. Family Gigasporaceae and genus Gigaspora were negatively correlated with available P in soil. Additionally, redundancy analysis further suggested that soil available P, organic matter and pH were the most important factors in shaping AMF community composition. These results provide strong evidence for niche differentiation of phylogenetically distinct AMF populations under different fertilization regimes. Manure likely contributes to restoration and maintenance of plant–AMF symbiosis, and the balanced fertilization would favor the growth of beneficial AMF communities as one optimized management in support of sustainable agriculture in Mollisols.
Research center :
Microbial Processes and Interactions Research Unit
Disciplines :
Microbiology
Author, co-author :
Ma, Mingchao ;  Université de Liège - ULiège > Doct. sc. agro. & ingé. biol. (Paysage)
Ongena, Marc ;  Université de Liège - ULiège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Microbial, food and biobased technologies
Wang, Qingfeng;  Chinese Academy of Agricultural Sciences > Institute of Agricultural Resources and Regional Planning
Guan, Dawei;  Chinese Academy of Agricultural Sciences > Institute of Agricultural Resources and Regional Planning
Cao, Fengming;  Chinese Academy of Agricultural Sciences > Institute of Agricultural Resources and Regional Planning
Jiang, Xin;  Chinese Academy of Agricultural Sciences > Institute of Agricultural Resources and Regional Planning
Li, Jun;  Chinese Academy of Agricultural Sciences > Institute of Agricultural Resources and Regional Planning
Language :
English
Title :
Chronic fertilization of 37 years alters the phylogenetic structure of soil arbuscular mycorrhizal fungi in Chinese Mollisols
Publication date :
2018
Journal title :
AMB Express
eISSN :
2191-0855
Publisher :
Springer, Germany
Volume :
8
Issue :
57
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
Agriculture Is Life
Available on ORBi :
since 26 June 2018

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