Types of diagnostic discs Diameterof MZI (mm) X. strumarium 20.5 C. molle 13.75 FR1 14 Tetracycline NI Gentamicin 26 DMSO NI

Table 7: MZI (mm) exhibited by 10% extract of three plants compared with commonly used conventional antibiotic discs and negative control against S. aureus. NI=no inhibition.