Table 5.

Antibacterial activity of Haloxylon stocksii extracts by disc difusion method.

Strain Name	ZI of Std	ZI of AMHS	ZI of ADHS	ZI of RMHS	ZI of RDHS
Bacillus subtilis	23 ± 1.55	20 ± 1.33	18 ± 0.71	17 ± 1.39	19 ± 1.62
Bacillus pumilus	25 ± 0.77	22 ± 1.51	16 ± 1.66	15 ± 0.57	14 ± 1.26
Micrococcus luteus	23 ± 0.95	16 ± 0.65	19 ± 1.51	14 ± 1.19	14 ± 0.87
Staphylococcus epidermidis	24 ± 1.13	18 ± 0.83	17 ± 1.15	17 ± 1.28	16 ± 0.63
Escherichia coli	22 ± 0.47	17 ± 1.20	16 ± 1.25	19 ± 1.42	18 ± 0.96
Bordetella bronchispetica	25 ± 1.31	12 ± 0.33	10 ± 0.43	15 ± 1.09	14 ± 0.75
Pseudomonas aeruginosa	NA	9 ± 0.35	8 ± 0.21	17 ± 1.37	14 ± 1.16

Results are expressed as mean ± standard deviation. “ZI” zone of inhibition in mm; “Std” standard co-amoxiclav; “AMHS” aerial parts methanolic extract; “ADHS” aerial parts dichloromethane extract; “RMHS” roots methanolic extract; and “RDHS” roots dichloromethane extract.