TABLE 4.
Gram staining, colony morphology and biochemical characterization of potential endophytic as well as rhizospheric isolates.
| Morphological characterstics | MC3 | MC4 | MC6 | SR2 | SR3 | K1III | K2III |
|---|---|---|---|---|---|---|---|
| Gram staining | Gram (−)ve | Gram (+)ve | Gram (−)ve | Gram (+)ve | Gram (−)ve | Gram (−)ve | Gram (+)ve |
| Shape | Rods | Rods | Rods | Rods | Rods | Rods | Rods |
| Colony size/shape | Small circular | Medium circular | Medium circular | Medium irregular | Medium irregular | Small circular | Small irregular |
| Colony color | Yellowish white | Yellow | White | Creamy white | Creamy white | White | Creamy white |
| Surface | Smooth | Smooth | Smooth | Smooth | Smooth | Smooth | Smooth |
| Biochemical test | MC3 | MC4 | MC6 | SR2 | SR3 | K1III | K2III |
|---|---|---|---|---|---|---|---|
| Glucose fermentation | A | A | AG | A | AG | – | A |
| Sucrose fermentation | A | A | AG | A | AG | – | A |
| Lactose fermentation | A | – | AG | – | AG | – | – |
| Mannitol fermentation | A | A | AG | A | AG | A | A |
| Nitrate reduction | + | – | + | – | – | – | – |
| Triple sugar iron test | + | + | + | – | – | – | – |
| Catalase | + | + | + | + | + | + | + |
| Methyl red | _ | + | – | + | – | – | + |
| Indole | – | – | + | – | – | – | – |
| Voges–Proskauer | + | – | + | – | + | – | – |
| Citrate utilization | + | + | + | + | + | + | + |
| Oxidase | – | – | – | – | – | + | – |
| Urease utilization | – | – | + | – | + | – | – |
| Motility | + | + | – | + | + | + | + |
- negative, + positive, A-acid production, AG-acid and gas production.