Soil Nutrients and Microbial Community Characteristics of Rhododendron rex in Central Yunnan Province of China

Le résumé fourni par la source

In the present study, Rhododendron rex soil from Jiaozishan national nature reserve and Xiaobaicaoling in Yunnan province of China was selected as the research object. Physicochemical properties and high-throughput sequencing techniques were used to analyze soil nutrients and microbial diversity to explore the soil nutrients and microbial community characteristics of Rhododendron rex in central Yunnan, and provide theoretical reference for future research on ex-situ conservation, bionic cultivation and artificial propagation of Rhododendron rex. Results showed that the Rhododendron rex soil in central Yunnan was acidic, and the contents of various nutrients in the soil were high and correlated with each other. The abundance of fungi was higher than that of bacteria, while the diversity of bacteria was higher than that of fungi. There was a correlation between soil nutrients and microbial community characteristics. The dominant phyla of soil bacteria were Acidobacteria, Proteobacteria and Actinobacteria, and the sum of relative abundance was 78.97%. The dominant phyla of fungi were Ascomycota and Basidiomycota, and the sum of relative abundance was 94.89%.

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