Table 2.
Potassium releasing ability of PGPR
| Isolates | PGPR activities | SI | K content(mg/L) | IAA production | pH |
|---|---|---|---|---|---|
| K1 (Klebsiella variicola) | K and P solubilizing, IAA production | 2.78 | 95.97 ± 3.75 | ++ | 4.49 |
| K2 (Enterobacter sp.) | K and P solubilizing, IAA production | 2.86 | 94.64 ± 3.00 | + | 4.66 |
| K3 (Raoultella sp.) | K and P solubilizing, IAA production | 2.79 | 83.80 ± 2.40 | + | 4.97 |
| K4 (Klebsiella variicola) | K and P solubilizing, IAA production | 2.65 | 57.20 ± 1.62 | ++ | 6.11 |
| K5 (Klebsiella variicola) | K and P solubilizing, IAA production | 1.39 | 64.16 ± 2.19 | ++ | 5.15 |
| K6 (Klebsilla pneumoniae) | K and P solubilizing, IAA production | 1.57 | 38.55 ± 2.82 | ++ | 6.32 |
| K7 (Klebsiella sp.) | K and P solubilizing, IAA production | 1.26 | 39.71 ± 1.23 | +++ | 6.18 |
| K8 (Raoultella sp.) | K and P solubilizing, IAA production | 2.02 | 67.36 ± 2.55 | + | 5.29 |
| K9 (Raoultella sp.) | K and P solubilizing, IAA production | 1.88 | 49.84 ± 2.77 | + | 5.03 |
| K10 (Pseudomonas sp.) | K and P solubilizing, IAA production | 3.59 | 193.33 ± 3.87 | + | 4.42 |
| K11 (Advenella sp.) | K and P solubilizing, IAA production | 2.97 | 117.20 ± 3.50 | + | 4.78 |
| K12 (Agrobacterium sp.) | K and P solubilizing, IAA production | 3.02 | 154.78 ± 3.11 | + | 4.31 |
| K13 (Rhizobium sp.) | K and P solubilizing, IAA production | 3.85 | 224.66 ± 2.69 | ++ | 4.03 |
| K14 (Bacillus sp.) | K and P solubilizing, IAA production | 1.93 | 81.13± 3.50 | + | 5.22 |
| K15 (Sphinqomonas sp.) | K and P solubilizing | 9.92 | 104.59 ± 2.74 | – | 5.45 |
| Control | – | – | 31.96 ± 1.60 | – | 7.20 |