PGPR Strain Antibiotic Rf values Zone Of Inhibition, ZOI (mm) Bacillus pumilus B1 0.492 8 Stenotrophomonas maltophilia S1 0.231 12 Pseudomonas pseudoalcaligenes P1-P5 0. 20,0.515, 0.656 0.781, 0.847 15

Table 3: Antibiotic(s) production by PGPR and their efficacy against Magnaporthe grisea.