Fig. 2

Isolation of endophytic bacteria from different plant organs of winter wheat plants. (A) The concentric rings in the doughnut chart display, from the inside to the outside, the proportions of the endophytic bacterial taxa isolated from the root, stem, leaf and seed, respectively. (B) A Venn diagram showing the distribution of the 22 bacterial taxa among the different wheat plant organs. The online tool used to calculate and draw the Venn diagram was from http://bioinformatics.psb.ugent.be/webtools/Venn/