Fig. 3From: A new strain of Bacillus velezensis as a bioagent against Verticillium dahliae in cotton: isolation and molecular identificationLateral roots stimulation and plant defense response mediate by the isolate. a Lateral roots stimulation in seedlings. Bar = 100 μm. b H2O2 assessment in the leaves, the white arrowhead shows ROS accumulation along the veins. Bar = 50 μm. c Roots colonization and H2O2 assessment, the black arrow indicates the isolate within the roots. Bar = 100 μmBack to article page