Isolates PM1, PM3, PM4, PM5, and PM9 were cultured on semi-solid ISP4 medium and samples of rhizobacteria (50 mg) were extracted with 0.5 mL of 96% ethanol and centrifuged at 2500 g for 6 min at room temperature.
Isolates PM1, PM3, PM4, PM5, and PM9 were cultured on semi-solidISP4 medium and samples of rhizobacteria (50 mg) were extractedwith 0.5 mL of 96% ethanol and centrifuged at 2500 g for 6 min atroom temperature.