Table 4. Results from analyses of variance on different response variables for Hieracium umbellatum.
| Effect | Df | Sum Sq | F-value | p-value | |
| Total biomass | myco | 1 | 500.0 | 109.4391 | <0.0001*** |
| patho | 1 | 88.2 | 19.3051 | 0.0004** | |
| myco∶patho | 1 | 3.2 | 0.7004 | 0.4150 | |
| Residuals | 16 | 73.1 | |||
| Fine root length(<2 mm) | myco | 1 | 3162235 | 75.0230 | <0.0001*** |
| patho | 1 | 611228 | 14.5012 | 0.0015* | |
| myco∶patho | 1 | 47981 | 1.1383 | 0.3018 | |
| Residuals | 16 | 674403 | |||
| Coarse root length(>2 mm) | myco | 1 | 969.36 | 67.4333 | <0.0001*** |
| patho | 1 | 200.21 | 13.9275 | 0.0018* | |
| myco∶patho | 1 | 46.48 | 3.2335 | 0.0910. | |
| Residuals | 16 | 230.0 | |||
| Root diameter | myco | 1 | 16.2 | 0.9818 | 0.3365 |
| patho | 1 | 180.0 | 10.9091 | 0.0045* | |
| myco∶patho | 1 | 204.8 | 12.4121 | 0.0028* | |
| Residuals | 16 | 264.0 |
(* = p<0.05; ** p<0.001; *** = p<0.0001, myco = AM fungal treatment, patho = Pathogen treatment, myco∶patho = Interaction of AM fungal and pathogen treatment).