| PGPR Mix # | Original Strain # | Identification |
| 1 | 2RA-17 | Bacillus cereus |
|
| 99-101 | B. amyloliquefaciens |
|
| 33B-9 | B. mojavensis |
|
| IN-937a | B. subtilis subsp. subtilis |
| 2 | SE-52 | B. safensis |
|
| INR-7 | B. altitudinis |
|
| SE-56 | Lysinibacillus xylanilyticus |
|
| E-681 | Paenibacillus peoriae |