Agricultural intensification reduces selection of putative plant growth-promoting rhizobacteria in wheat.

ABSTRACT: The complex evolutionary history of wheat has shaped its associated root microbial community. However, consideration of impacts from agricultural intensification has been limited. This study investigated how endogenous (genome polyploidization) and exogenous (introduction of chemical fertilizers) factors have shaped beneficial rhizobacterial selection. We combined culture-independent and -dependent methods to analyze rhizobacterial community composition and its associated functions at the root-soil interface from a range of ancestral and modern wheat genotypes, grown with and without the addition of chemical fertilizer. In controlled pot experiments, fertilization and soil compartment (rhizosphere, rhizoplane) were the dominant factors shaping rhizobacterial community composition, whereas

SUBMITTER: Reid TE 

PROVIDER: S-EPMC11292143 | biostudies-literature | 2024 Jan

REPOSITORIES: biostudies-literature