Isolation and characterization of rhizobacteria and their effects on root extracts of Valeriana officinalis

Plant growth promoting rhizobacteria (PGPR) are a group of microorganisms which can enhance growth parameters of host plants and can be used as biofertilizers. Valerian (Valeriana officinalis) is a perennial herb which is used as a medicinal plant. In the current study 40 colonies of bacteria were isolated from the rhizosphere of valerian by growing in… CONTINUE READING