The main objective of this research work is to screen various unexploited plants for their antimicrobial activity as these
unexploited or pteridophytic plants are being used ethanomedicinally but, very little work has been done on antimicrobial
ASPECTSÒ3OÒTOÒEXPLOREÒTHEÒEFµCACYÒOFÒTHESEÒPLANTSÒTHEÒFOLLOWINGÒRESEARCHÒHASÒBEENÒCARRIEDÒOUTÒ!QUEOUSÒANDÒALCOHOLICÒ
extracts of the plant parts of Diplazium esculentum (Retz.) Sw were tested against the growth of some human and plant
pathogenic bacteria like E.coli, Salmonella arizonae, Salmonella typhi, Staphylococcus aureus. Near all the extracts
were found effective against these bacteria. The positive results so obtained were compared with that of the Tetracycline
REFERENCEÒSTANDARDÒANTIBIOTICÒ)TÒWASÒFOUNDÒTHATÒEXTRACTSÒWHENÒMIXEDÒINÒEQUALÒPROPORTIONÒWITHÒTHEÒANTIBIOTICÒWEREÒMOREÒ
effective against bacteria than the antibiotic alone.