Varible | Components | Levels of variable | ||
---|---|---|---|---|
−1 (Low) | 0 (Central) | +1 (High) | ||
 | Complex medium |  |  |  |
A | Sucrose (g/L) | 20 | 40 | 60 |
B | NaNO3 (g/L) | 1 | 3 | 5 |
C | Yeast extract (g/L) | 0 | 2 | 4 |
D | KH2PO4 (g/L) | 0 | 1 | 2 |
E | K2HPO4 (g/L) | 1 | 3 | 5 |
F | KCl (g/L) | 0.5 | 0.75 | 1 |
G | MgSO4.7H2O (g/L) | 0.5 | 0.75 | 1 |
H | Trace elements (mL/L) | 0.5 | 0.75 | 1 |
 | Defined medium |  |  |  |
I | Sucrose (g/L) | 40 | 70 | 100 |
J | NaNO3 (g/L) | 3 | 5 | 7 |
K | K2HPO4 (g/L) | 3 | 5 | 7 |
L | KH2PO4 (g/L) | 0 | 1 | 2 |
M | KCl (g/L) | 0.25 | 0.50 | 0.75 |
N | MgSO4.7H2O (g/L) | 0.25 | 0.50 | 0.75 |
O | CaCl2.2H2O (g/L) | 0 | 0.10 | 0.20 |
P | Na3C6H5O7.2H2O (g/L) | 0 | 1 | 2 |
Q | Biotin (mL/L) | 0 | 0.10 | 0.20 |
R | Trace elements (mL/L) | 0.25 | 0.50 | 0.75 |