Table 1.
Morpho-cultural and biochemical characteristics of the rhizobia isolates trapped from the study farms in Eastern Kenya.
| Isolate characteristic | Morphotypes | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| I | II | III | IV | V | VI | VII | VIII | IX | |
| CR absorption | Na | Na | Na | Na | Na | Na | Na | Na | Na |
| Peptone G growth | No | No | No | No | No | No | No | No | No |
| BTB reaction | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| Gram reaction | -ve | -ve | -ve | -ve | -ve | -ve | -ve | -ve | -ve |
| Cell shape | Rod | Rod | Rod | Rod | Rod | Rod | Rod | Rod | Rod |
| Elevation | Cvx | Cvx | Cvx | Cvx | Cvx | Cvx | Cvx | Raised | Cvx |
| Margin | Entire | Entire | Entire | Entire | Entire | Entire | Entire | Entire | Entire |
| Colony color | Cy | Cw | Mw | Mw | Mw | Mw | W | Mw | Mw |
| Transparency | Op | Trl | Trl | Op | Op | Trl | Trl | Trl | Op |
| Colony texture | Fg | Fg | Sm | Sm | Fg | Sm | Sm | Fg | Sm |
| Percentage% | 4 | 2 | 29 | 7 | 9 | 20 | 18 | 4 | 7 |
Na, non-absorbing; Peptone G, Peptone Glucose growth; No, no growth; Y, yellow on BTB; -ve, negative; Cvx, convex elevation; Cy, Cream yellow; Cw, cream white; Mw, milky white; W, watery; Op, opaque; Trl, translucent; Fg, firm gummy; Sm, soft mucoid.