A plant growth-promoting bacterium alters the microbial community of continuous cropping poplar trees’ rhizosphere

• DOI: 10.1111/jam.14194
• Publication Date: 2019-01-07T03:01:14Z
• Authors: J. Sui; C. Ji; X. Wang; Z. Liu; R. Sa; Y. Hu; C. Wang; Q. Li; X. Liu
• Keywords: Paenibacillus polymyxa

Abstract Aims We aimed to develop a biological agent that regulates the microbial community structure of poplar rhizosphere and alleviates effects continuous cropping. Methods Results Poplar soils were treated with or without Paenibacillus polymyxa CP-S316 fermentation medium. Real-time polymerase chain reaction was performed measure bacteria fungi in both groups, communities analysed by metabarcoding. In fungi, operational taxonomic units, abundance-based coverage estimator Chao index CP-S316-treated group significantly lower than those control check (CK) group. bacteria, proportions Bacillus CK groups 5·20 2·38%, respectively, whereas Rhizoctonia 2·20 5·82% respectively. The diameter at breast height, culturable total poplars exceeded Conclusions Our data confirmed could improve promote growth poplars. Significance Impact Study Research alleviating cropping obstacles promoting via biocontrol agents is uncommon. structures soil illustrate use for improving plant health trees.