TABLE 7.
Matrix of the PBD and results for toxoflavin production by B. gladioli HDXY-02
| No. | Variable levels |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8 | x9 | x10 | x11 | x12 | Toxoflavin concn (mg/liter) | |
| 1 | 1 | –1 | 1 | 1 | –1 | –1 | –1 | –1 | 1 | –1 | 1 | –1 | 918 |
| 2 | 1 | 1 | –1 | 1 | 1 | –1 | –1 | –1 | –1 | 1 | –1 | 1 | 498 |
| 3 | –1 | 1 | 1 | –1 | 1 | 1 | –1 | –1 | –1 | –1 | 1 | –1 | 679 |
| 4 | –1 | –1 | 1 | 1 | –1 | 1 | 1 | –1 | –1 | –1 | –1 | 1 | 838 |
| 5 | 1 | –1 | –1 | 1 | 1 | –1 | 1 | 1 | –1 | –1 | –1 | –1 | 1,019 |
| 6 | 1 | 1 | –1 | –1 | 1 | 1 | –1 | 1 | 1 | –1 | –1 | –1 | 765 |
| 7 | 1 | 1 | 1 | –1 | –1 | 1 | 1 | –1 | 1 | 1 | –1 | –1 | 620 |
| 8 | 1 | 1 | 1 | 1 | –1 | –1 | 1 | 1 | –1 | 1 | 1 | –1 | 950 |
| 9 | –1 | 1 | 1 | 1 | 1 | –1 | –1 | 1 | 1 | –1 | 1 | 1 | 1,016 |
| 10 | 1 | –1 | 1 | 1 | 1 | 1 | –1 | –1 | 1 | 1 | –1 | 1 | 1,002 |
| 11 | –1 | 1 | –1 | 1 | 1 | 1 | 1 | –1 | –1 | 1 | 1 | –1 | 312 |
| 12 | 1 | –1 | 1 | –1 | 1 | 1 | 1 | 1 | –1 | –1 | 1 | 1 | 976 |
| 13 | –1 | 1 | –1 | 1 | –1 | 1 | 1 | 1 | 1 | –1 | –1 | 1 | 572 |
| 14 | –1 | –1 | 1 | –1 | 1 | –1 | 1 | 1 | 1 | 1 | –1 | –1 | 837 |
| 15 | –1 | –1 | –1 | 1 | –1 | 1 | –1 | 1 | 1 | 1 | 1 | –1 | 372 |
| 16 | –1 | –1 | –1 | –1 | 1 | –1 | 1 | –1 | 1 | 1 | 1 | 1 | 494 |
| 17 | 1 | –1 | –1 | –1 | –1 | 1 | –1 | 1 | –1 | 1 | 1 | 1 | 889 |
| 18 | 1 | 1 | –1 | –1 | –1 | –1 | 1 | –1 | 1 | –1 | 1 | 1 | 707 |
| 19 | –1 | 1 | 1 | –1 | –1 | –1 | –1 | 1 | –1 | 1 | –1 | 1 | 886 |
| 20 | –1 | –1 | –1 | –1 | –1 | –1 | –1 | –1 | –1 | –1 | –1 | –1 | 404 |