Study on Soil Bacterial Community Diversity and Composition in Qiongying Mountain Ancient Tea Plantation
As a rare natural heritage site,the ancient tea plantation of Qiongying mountain holds significant ecological,cultural,and economic value.Its sustainable development is inseparable from a healthy soil micro-ecological environment.To investigate the structural characteristics of soil bacterial communities in the ancient tea plantation of Qiongying mountain,Fengqing county,Yunnan province,this study focused on the rhizosphere and bulk soils of the ancient tea plantation on Qiongying Mountain.Using 16S rRNA gene amplicon sequencing technology,the diversity and structural characteristics of the soil bacterial communities and their relationship with soil chemical properties were analyzed.The results showed that:(1)Alpha diversity analysis indicated the bacterial community abundances in the rhizosphere and bulk soils of the valley were significantly higher than that in the rhizosphere and bulk soils of the mountaintop;there were no significant differences in the abundance or diversity of bacterial communities between rhizosphere and bulk soils at the mountaintop and valley.(2)The dominant phyla were Acidobacteriota(21.15％～26.76％)and Proteobacteria(15.06％～20.79％),and the dominant genera were Candidatus_Solibacter(2.6％～3.6％),Acidibacter(2.6％～3.4％)and Bryobacter(2.2％～2.6％).(3)Beta diversity analysis showed that the composition and structure of bacterial communities were similar but had certain differences.(4)Redundancy analysis(RDA)showed that soil organic matter was the main environmental factor affecting the composition and structure of bacterial community in rhizosphere soil.In conclusion,this study preliminarily explored the characteristics of the bacterial community structure in the rhizosphere and bulk soils of ancient tea trees at the mountaintop and valley of the Qiongying Mountain tea plantation.These findings can provide a reference basis for the protection and utilization of ancient tea trees in tea plantations.
Ancient tea plantationsMountaintop soilValley soilSoil bacteriaRhizosphere and bulkHigh-throughput sequencing
国家科技期刊平台
NSTL
万方数据
