Fig. 5.
Effect of strain PM32 on growth of potato plants under biotic stress of R. solani. Control (un-inoculated plants), T1 (B. subtilis PM32 inoculation), T2 (B. subtilis PM32 and R. solani infection), T3 (R. solani infection), T4 (Fungicide (KOCIDE) and R. solani). Arrows indicate the disease symptoms of potato including stem discoloration and wilting due to R. solani