Test(s) | Microorganisms | |
Erwinia carotovora | Pseudomonas aeruginosa | |
Gram staining reaction | − | − |
Catalase | + | + |
Oxidase | − | + |
Citrate utilisation | − | + |
Gas | − | − |
H2S (hydrogen sulphide) | − | − |
Motility | + | + |
Pigment | − | Blue |
pH (in nutrient broth medium) | 7.47 | 7.43 |
Acid | − | + |