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. Author manuscript; available in PMC: 2015 Feb 24.
Published in final edited form as: FEMS Microbiol Ecol. 2011 Apr 11;77(1):154–164. doi: 10.1111/j.1574-6941.2011.01092.x

Fig. 2.

Fig. 2

Biplot ordination generated by redundancy analysis (RDA) of the PCR-based denaturing gradient gel electrophoresis (PCR-DGGE) profiles from total bacterial (a), alphaproteobacterial (b), betaproteobacterial (c), actinobacterial (d) and pseudomonads (e) communities associated with roots of ten rice cultivars. Each symbol represents the bacterial community composition associated with roots of an individual plant. Open and close symbols represent improved and traditional cultivars, respectively. Crosses represent the centroid position of the nominal environmental variables (effects). Environmental variable with significant influence on the variation of community composition is shown with asterisks (P < 0.05). The variations of each ordination axis are presented in percentage.