Figure 3.
Effect of cell-free culture filtrate on the morphology of Bipolaris sorokiniana. (A) Mycelium morphology under optical microscope (×20), blue color represents dead fungi cells. (B) Mycelium ultrastructure under scanning electron microscope, scale bars = 10 and 5 μm. Control: untreated control group; Treatment: treated with cell-free culture filtrate produced by Bacillus amyloliquefaciens DB2.
