The Effect of Long-Term Continuous Cropping of Black Pepper on Soil Bacterial Communities as Determined by 454 Pyrosequencing

PloS One
Wu XiongQirong Shen

Abstract

In the present study, 3 replanted black pepper orchards with continuously cropping histories for 10, 21, and 55 years in tropical China, were selected for investigating the effect of monoculture on soil physiochemical properties, enzyme activities, bacterial abundance, and bacterial community structures. Results showed long-term continuous cropping led to a significant decline in soil pH, organic matter contents, enzymatic activities, and resulted in a decrease in soil bacterial abundance. 454 pyrosequencing analysis of 16S rRNA genes revealed that the Acidobacteria and Proteobacteria were the main phyla in the replanted black pepper orchard soils, comprising up to 73.82% of the total sequences; the relative abundances of Bacteroidetes and Firmicutes phyla decreased with long-term continuous cropping; and at genus level, the Pseudomonas abundance significantly depleted after 21 years continuous cropping. In addition, bacterial diversity significantly decreased after 55 years black pepper continuous cropping; obvious variations for community structures across the 3 time-scale replanted black pepper orchards were observed, suggesting monoculture duration was the major determinant for bacterial community structure. Overall, contin...Continue Reading

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Citations

Dec 21, 2017·Communicative & Integrative Biology·Akifumi SugiyamaKazufumi Yazaki
Jan 31, 2017·Biotechnology Journal·Jee Loon FooMatthew Wook Chang
Aug 23, 2017·Scientific Reports·Jihang JiangXiawei Peng
Apr 19, 2018·Scientific Reports·Qingyun ZhaoYunping Dong
Apr 12, 2021·Journal of Microbiological Methods·P PriyaK Harikrishnan
May 31, 2021·Environmental Research·Ge TanZhicheng Zhou
Sep 5, 2021·Current Microbiology·Muhammad Shehryar SabirShehzad Ahmed

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Datasets Mentioned

BETA
SRA149260

Methods Mentioned

BETA
PCR
454

Software Mentioned

SPSS
R
vegan
Mothur

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