Figure 4

PCA Projection of the H. Triquetrifolium essential oils based upon their bactericid activities against tested strains. H. tri. B. A. H. triquetrifolium harvested in Bou Arada, H. tri. Bah. H. triquetrifolium harvested in Bahra, H. tri. D. B. J. H. triquetrifolium harvested in Dhrea Ben Jouder, H. tri. Fer. H. triquetrifolium harvested in Fernana, H. tri. F. Dj. H. triquetrifolium harvested in Fondouk Djedid. 1. Bacillus cereus, 2. Enterococcus feacalis, 3. Staphylococcus aureus. 4. Staphylococcus epidermidis. 5. Vibrio alginoliticus. 6. Escherichia coli. 7. Vibrio cholera. 8. Pseudomonas aeruginosa. 9. Salmonella typhimirium. 10. Aeromonas hydrophila.