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Effects of Rice Growth Stages on the Composition and Functional Potentialities of Rhizosphere Bacterial Community in Coupled Rice-Crab System

Effects of Rice Growth Stages on the Composition and Functional Potentialities of Rhizosphere Bacterial Community in Coupled Rice-Crab System

Yu Song1*, Yueping Wei2 and Peng Wang3

1Yalu River Basin Research Institute, Liaodong University, Dandong 118003, Liaoning, China
2Innovation and Entrepreneurship Center, Liaodong University, Dandong 118003, Liaoning, China
3School of Agriculture, Liaodong University, Dandong 118003, Liaoning, China
 
* Corresponding author: songyu_71@163.com

Fig. 1.

Principal component analysis (PCA) based on Bray-Curtis Distance Matrix for soil samples collected from the rhizosphere of the four different stages.

Fig. 2.
Rhizosphere soil bacterial taxonomic composition at phylum (A), class (B) and genus (C) levels in four growth stages. 
Note: The top 10 relative abundances were shown, while the remaining abundance were indicated as others.
Fig. 3.

Cladogram showing the phylogenetic distribution of the bacterial lineages associated with rhizosphere soil from four growth stages in the rice-crab paddy field. (A) Indicator bacteria with LDA scores of 3.5 or greater in bacterial communities associated with soil from four stages in the coupled rice-crab paddy field. (B) Different coloured regions represent different constituents. Circles indicate phylogenetic levels from phylum to genus. The diameter of each circle is proportional to the abundance of the group.

Fig. 4.

The relative abundance of rhizosphere soil bacterial community functions at four different stages in the coupled rice-crab system. A, organismal system; B, human diseases; C, cellular processes; D, environmental information; E, genetic information processing; F, metabolism.

Pakistan Journal of Zoology

February

Pakistan J. Zool., Vol. 56, Iss. 1, pp. 01-501

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