Table 1.
Morphological and cultural characteristics of indigenous symbiotic bacterial isolates from legumes
| Characteristics | Morpho-cultural description of isolates | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| KSM 1 | KSM 2 | KSM3 | KSM 4 | KSM 5 | KSM 006 | KSM 7 | KSM 8 | MMUST 3 | MMUST 4 | MMUST 5 | MMUST 6 | |
| Congo Red Absorption | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| BTB reaction | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Colony colour | Cream yellow |
Cream White |
Cream white | Milky white | Milky white | Cream yellow | Cream white | Cream white | Milky white | Cream yellow | Milky white | Cream yellow |
| Colony transparency | Opaque | Translucent | Opaque | Opaque | Translucent | Translucent | Opaque | Translucent | Opaque | Translucent | Opaque | Opaque |
| Colony appearance | SHINY | SHINY | SHINY | DULL | DULL | SHINY | SHINY | SHINY | SHINY | SHINY | DULL | DULL |
| EPS production | ✓ | ✓ | ✓ | x | x | ✓ | ✓ | ✓ | x | ✓ | x | ✓ |
| Colony texture | Firm dry | Smooth viscous | Smooth viscous | Firm dry | Firm dry | Smooth viscous | Smooth viscous | Smooth viscous | Smooth viscous | Smooth viscous | Firm dry | Firm dry |
| Colony shape | Circular | Oval | Oval | Circular | Circular | Circular | Oval | Oval | Circular | Circular | Circular | Circular |
| Colony elevation | Convex | Convex | Convex | Convex | Convex | Convex | Convex | Convex | Convex | Convex | Convex | Convex |
| Colony diameter (mm) | 3.7 | 4.7 | 5.7 | 3.7 | 4.0 | 3.7 | 5.0 | 3.3 | 4.7 | 3.3 | 3.0 | 1.0 |
| Gram stain | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Colony margin | Entire | Entire | Entire | Entire | Entire | Entire | Entire | Entire | Entire | Entire | Entire | Entire |
BTB bromothymol blue, EPS exopolysaccharides, ✓ positive reaction, × negative