Comparative Analysis of Bacterial Community Structure in Paddy Soil Under Different Complex Cultivation Models
Received date: 2021-10-14
Online published: 2022-05-24
The structure, diversity and abundance of bacterial community in soil of crab paddy field, African goose paddy field and lobster paddy field at heading stage were compared and analyzed by sequencing the V3-V4 region of 16srRNA gene in Illumina system with high-throughput sequencing technology. A total of 3 101 OUTs were detected in each sample, which could be divided into 48 phyla, 115 classes, 223 orders, 39 families, 71 genera and 1 335 species. The three complex cultivation models had similar dominant microflora, but each had its own unique genus. Venn diagram analysis showed that the number of species in lobster paddy field was the largest, and the number of unique species in African goose paddy field was the largest. The results of hierarchical cluster analysis showed that the bacterial community structure of crab paddy field and lobster rice field was similar, but different from that of African goose rice field. The Shannon value, ACE value and Chao value of diversity index, richness index of crab paddy field were higher than those of lobster paddy field and African goose paddy field, which indicated that crab paddy field had better soil bacterial ecological composition.
SONG Yu, CONG Peidong, QU Guiwei, YANG Qinghai . Comparative Analysis of Bacterial Community Structure in Paddy Soil Under Different Complex Cultivation Models[J]. China Rice, 2022 , 28(3) : 47 -51 . DOI: 10.3969/j.issn.1006-8082.2022.03.008
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