Impacts of Continuous Cropping on Fungal Communities in the Rhizosphere Soil of Tibetan Barley.

ABSTRACT: Microbial community structures and keystone species play critical roles in soil ecological processes; however, their responses to the continuous cropping of plants are virtually unknown. Here, we investigated the community dynamics and keystone species of fungal communities in the rhizosphere soils of continuously cropped Tibetan barley (a principal cereal cultivated on the Qinghai-Tibetan Plateau). We found that the Chao1 and Phylogenetic Diversity (PD) indices decreased with increased cropping years. The relative abundance of the genera Cystofilobasidium, Mucor, and Ustilago increased with the extension of continuous cropping years, whereas Fusarium showed the opposite pattern. Furthermore, long-term monocropped Tibetan barley simplified the complexity of the

SUBMITTER: Yao Y 

PROVIDER: S-EPMC8854972 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature