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NMDS plots for differences in the structure of microbial communities that were associated with the citrus trees sampled in fall 2015. (A) All samples; (B) only root samples; (C) only leaf samples. Solid and open symbols correspond to root and leaf microbiota, respectively. Symbols correspond to tree location (color) and cultivar (shape). The category for HLB symptom severity (I, asymptomatic; II, symptomatic—mild; III, symptomatic—moderate; IV, symptomatic—severe) is indicated.
