Table 1.
Plant promotion potential of seven strains of bacteria.
| Strain | Nitrogen fixation | Organic phosphorus | Inorganic phosphorus content (mg L−1) | Siderophore production (%) | ACC deaminase activity | IAA production (µg mL−1) |
|---|---|---|---|---|---|---|
| Microbacterium sp. I2 | + | + | 31.83 ± 1.59b | 37.32a | + | 2.88 ± 0.14bc |
| Arthrobacter sp. R4 | + | + | 19.83 ± 0.99c | 26.06a | + | 1.34 ± 0.07c |
| Microbacterium sp. R19 | + | – | – | – | – | 3.94 ± 0.20ab |
| Microbacterium sp. K1 | + | – | – | 6.34b | – | 5.27 ± 0.26a |
| Microbacterium sp. K2 | + | + | 17.62 ± 0.88c | 4.93b | + | 2.64 ± 0.13bc |
| Paenarthrobacter sp. T8 | + | + | – | – | + | 5.13 ± 0.26a |
| Microbacterium sp. T19 | + | – | 51.81 ± 2.59a | – | + | 1.48 ± 0.07c |
Different lowercase letters in the same column indicate significant differences (p < 0.05).
+, capable; −, incapable; ACC, 1-aminocyclopropane-1-carboxylate; IAA, indole-3-acetic acid.