Table 6.
ANOVA for Xanthomonas campestris response surface quadratic model
| Source | Sum of squares | df a | Mean square | F value | P value Prob > F | |
|---|---|---|---|---|---|---|
| Model | 249.64 | 20 | 12.48 | 258.49 | <0.0001 | Significant |
| A-time of incubation | 2.74 | 1 | 22.74 | 56.65 | <0.0001 | |
| B-pH | 0.34 | 1 | 0.34 | 7.06 | 0.0127 | |
| C-temperature | 0.096 | 1 | 0.096 | 1.99 | 0.1692 | |
| D-Sucrose | 2.89 | 1 | 2.89 | 59.82 | <0.0001 | |
| E-Soya peptone | 2.89 | 1 | 2.89 | 59.82 | <0.0001 | |
| AB | 0.000 | 1 | 0.000 | 0.000 | 1.0000 | |
| AC | 0.000 | 1 | 0.000 | 0.000 | 1.0000 | |
| AD | 1.776E−003 | 1 | 1.776E−003 | 0.037 | 0.8493 | |
| AE | 1.776E−003 | 1 | 1.776E−003 | 0.37 | 0.8493 | |
| BC | 1.167E−003 | 1 | 1.167E−003 | 2.416E−003 | 0.9611 | |
| BD | 0.000 | 1 | 0.000 | 0.000 | 1.0000 | |
| BE | 0.000 | 1 | 0.000 | 0.000 | 1.0000 | |
| CD | 0.000 | 1 | 0.000 | 0.000 | 1.0000 | |
| CE | 0.000 | 1 | 0.000 | 0.000 | 1.0000 | |
| DE | 1.167E−003 | 1 | 1.167E−003 | 2.416E−003 | 0.9611 | |
| A 2 | 2.11 | 1 | 2.11 | 43.78 | <0.0001 | |
| B 2 | 3.13 | 1 | 3.13 | 64.77 | <0.0001 | |
| C 2 | 0.35 | 1 | 0.35 | 7.19 | 0.0120 | |
| D 2 | 3.13 | 1 | 3.13 | 64.77 | <0.0001 | |
| E 2 | 5.75 | 1 | 5.75 | 119.03 | <0.0001 |
aDegrees of freedom