Fig. 4From: A new strain of Bacillus velezensis as a bioagent against Verticillium dahliae in cotton: isolation and molecular identificationTransmission electron microscopy screening of the isolate inside the roots. a The white arrows indicate the strain within the intercellular space. Bar = 2 μm. b The white arrowhead indicates the strain attached to the host cell wall. Bar = 1 μmBack to article page