Table 1.
Isolate, local of origin, species, Fe-P solubilized, pH, IAA and siderophore production by four endophytic Bacillus strains after 9 days of growing at 28 °C.
| Isolate | Origin | Species | Fe-Pb (mg L−1) | pHc | IAA (μg mL−1) | Siderophore |
|---|---|---|---|---|---|---|
| Controla | – | – | 0.00 cd | 4.42 a | 0.0 e | – |
| B1920 | Sap | Bacillus subtilis | 50.06 a | 3.47 b | 3.2 d | Negative |
| B1923 | Sap | B. pumilus | 52.22 a | 3.50 b | 61.6 a | Carboxylate |
| B2084 | Leave | B. subtilis | 34.56 b | 3.43 b | 24.4 c | Carboxylate |
| B2088 | Root | B. subtilis | 34.25 b | 3.28 c | 55.8 b | Carboxylate |
a
Culture medium without bacteria.
b
P solubilized after 9 days of growing.
c
pH in water after 9 days of growing.
d
Means followed by the same letters do not differ significantly by the least significant difference (LSD) test at 5% (p < 0.05). The values are means of three or four replicates.