Table 3.
Morphological and Biochemical Identification of Selected Bacterial Strain RY2 (Pseudomonas protegens).
| Morphological characteristics | Biochemical characteristics | ||
|---|---|---|---|
| Color | Creamy white | Catalase | + |
| Cell morphology | Rod | Oxidase | + |
| Motility | + | Indole test | − |
| Flagella | + | Methyl red test | − |
| Gram staining | G −ve | VP | − |
| Endospore staining | − | Nitrate reduction | − |
| Capsule staining | + | H2S production | − |
| Aerobic growth | + | Citrate utilization | + |
| Fluorescent pigment | + | Starch hydrolysis | − |
| Optimum temperature | 25-30°C for environmental isolates | Tyrosine hydrolysis | + |
| Optimum pH | 8 (4-8) | Gelatin hydrolysis | + |
| Hemolysis | − | ||