Screening of antimicrobial activities of medicinally important orchid bulbophyllum lilacinum RidL

The organic solvent extracts were obtained from whole plant of Bulbophyllum lilacinum Ridl. to screen antibacterial activities and test was carried out against five human pathogenic bacteria namely, Bacillus subtilis, Staphylococcus aureus, Shigella dysenteriae, Salmonella typhi, INABA-ET [Vibrio]. Water extracts obtained from whole plant were also screened for their antifungal activities against six phytopathogenic fungi including, Alternaria alttrnata, Botryodiplodia theobromae, Curvularia lunata, Colletotrichwn corchori, Fusarium equiseti, Macrophomina phaseolina. Both organic solvent and water extracts were found to be active against all the microbes tested and significant inhibition of microbial growth was also observed