Table 4 Morphological, physiological and biochemical characters
Characteristic/strain | Bacillus megaterium CCMMB583 | Bacillus subtilis KJB06 |
|---|---|---|
Gram stain | + | + |
Motility | + | + |
Spore forming | + | + |
Growth at: 10, 20, 30, 40 and 50 °C | + | + |
Indole production | + | + |
Citrate utilization | + | + |
Fermentation of | ||
D-glucose | + | + |
Lactose | - | + |
D-mannitol | + | - |
D-xylose | + | + |
Growth in NaCl | ||
5% | + | + |
10% | + | + |
15% | + | + |
pH 6, 8, 10 and 12 | + | + |
Metabolites and hydrolytic enzymes | ||
Oxidase | + | + |
Catalase | + | + |
Gelatin hydrolysis | + | + |
Starch hydrolysis | + | + |
Cellulose hydrolysis | + | + |
Chitinase | + | + |
Activities related to plant growth promotion | ||
Siderophore production | + | + |
Indoleacetic acid production | + | + |
Salicylic acid production | + | + |
Phosphate solubilization | + | + |
Zinc solubilization | + | + |
Putative nitrogen fixation | + | + |
Antifungal activity (inhibition zone mm) | ||
Pythium ultimum | 16.5 | 20 |
Rhizoctonia solani | 15.0 | 18 |
Fusarium oxysporum | 18 | 21 |
Phytophthora infestans | 21 | 17 |