Isolates Inhibition zone (cm)
F. oxysporum F. solani M. phaseolina
Control 0 0 0
RH-33 1.32a ±0.12 1.28 ±0.11 1.65 ±0.16
RH-32 1.17 ±0.12 1.50 ±0.04 1.00 ±0.18
RH-31 1.19 ±0.05 0.91 ±0.10 1.08 ±0.15
aAverage of three pathogen (n=3).
RH-33 strain showed highest activity for zone of inhibition against the pathogen M. phaseolina i.e. 1.65 cm Control=No rhizobacterial inoculation.
RH-31=Paenibacillus illinoisensis.
RH-32=Bacillus subtilis.
RH-33=Pseudomonas psychrotolerans
Table 1: Antagonistic activity of rhizobacterial isolates in terms of inhibition zone caused by fungal pathogens (Fusarium oxysporum, F. solani and Macrophomina phaseolina).