Table 1 Experimental range and level used in the optimisation of IAA production by endophyte Klebsiella pneumoniae MEBAphS1 from Alternanthera philoxeroides using CCD
Independent Variables | Symbols | Range and Level | |
|---|---|---|---|
Level 1 | Level 2 | ||
Incubation time (days) | A | 0 | 20 |
pH | B | 4 | 9 |
Tryptophan Concentration (%) | C | 0.1 | 2 |