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. 2020 Jan 16;15(1):e0227671. doi: 10.1371/journal.pone.0227671

Fig 2. Alpha diversity indices of the 16S rRNA gene sequences.

Fig 2

Box plots of the observed OTUs, Chao1 indices, and Shannon indices in the rhizosphere soil, root endosphere, stem endosphere, leaf endosphere and phylloplane. Whiskers represent the minimum and maximum values, and the bar represents the median. Data were analysed by means of Student’s t test, and significant differences (P < 0.05) across plant compartments are indicated with lowercase letters.