Table 3.
Instances of siderophore producing, phosphate, and potassium solubilizing bacteria in different crops.
| S. No | Mechanism /function |
Plant growth-promoting rhizobacteria (PGPRs) | Crop | Reference |
|---|---|---|---|---|
| 1. | Phosphate solubilization | Bacillus sp., Pseudomonas sp., Serratia sp | Solanum tuberosum (potato) | [99] |
|
Azospirillum, P. putida, Stenotrophomonas maltophilia, chryseobacterium |
Triticum aestivum L. (wheat) | [100] [39] |
||
| Bacillus sp., Klebsiella sp., Pseudomonas sp. | Cicer arietinum (chickpea) | [101] | ||
| Herbaspirillum spp., Bacillus spp. | Vigna unguiculata (cowpea) | [35] | ||
| B. safensis, B. simplex, Lysinibacillus fusiformis, B. pumilus | Glycine max (soybean) | [102] | ||
| S. marcescens, Pseudomonas sp. | Oryza sativa (rice) | [103] | ||
| P. brassicacerum, Acinetobacter calcoaceticus, P. marginalis | Solanum lycopersicum (tomato) | [104] | ||
| 2. | Potassium solubilization | Pseudomonas sp., Acinetobacter sp., bacillus sp. | Phaseolus vulgaris (common bean) | [105] |
| B. subtilis, K. oxycota | Zea mays (maize) | [106] | ||
| Rhizobium sp. | Vica faba (faba bean) | [107] | ||
| Bacillus, Pseudomonas sp. | Sorghum bicolr (sorghum) | [49] | ||
| B. circulans | Citrus sinensis (orange) | [108] | ||
| Pseudomonas sp., Rhizobium, Mesorhizobium, Bacillus, Azotobacter sp. | Leguminous and non-leguminous plants | [109] | ||
| 3. | Siderophore production | Bacillus sp. KB129, KB133 | Sorghum bicolr (sorghum) | [110] |
| V. paradox RAA3 | Triticum aestivum L (wheat) | [111] | ||
| Azotobacter sp. Az63, Az69 and Az70 | Zea mays (maize) | [112] | ||
| Rhizobacteria sp. | pulses | [113] | ||
| Bacillus amyloliquefaciens ROH14 | pepper | [114] | ||
| Bacillus amyloliquefaciens FZB42 | Arabidosis | [115] |