Figure 4

SEM-images of B. amyloliquefaciens on oilseed rape roots. A Bacteria together with Captigel nanoparticles (See supplementary figure 5 for EDS-data). B Bacteria together with TiBALDH nanoparticles (See supplementary figure 5 for EDS-data). C Control for image A with bacteria found in the same region of the root, namely the base, of plant treated with bacteria only. D Control for image B with bacteria found in the same region of the root, namely the base, of a plant treated with bacillus only.