Table 1.
Test statistics on relative leaf disc consumption by the grey field slug (D. reticulatum) in two independent preference assays
| Population | Friedman test (assay 1) | Wilcoxon test (assay 2) | ||||
|---|---|---|---|---|---|---|
| n | df | χ 2 | n | Ties | V | |
| TD | 16 | 11 | 28.93** | 8 | 1 | 28.0* |
| TW | 16 | 11 | 89.06*** | 8 | 0 | 33.0* |
| FW | 16 | 11 | 28.65** | 8 | 1 | 28.0* |
| ZD | 16 | 11 | 57.29*** | 8 | 0 | 36.0* |
| OW | 16 | 11 | 82.75*** | 8 | 0 | 36.0* |
| VW | 16 | 11 | 103.54*** | 8 | 0 | 36.0* |
| GD | 16 | 11 | 26.94** | 8 | 0 | 36.0* |
| LD | 16 | 10 | 22.37* | 8 | 1 | 28.0* |
Friedman rank sum test statistics show the results for within-population preference assay (assay 1 in Fig. 1) and Wilcoxon signed-rank test results for within-population paired dual preference assay using the most- and least-preferred accessions from assay 1 (assay 2 in Fig. 1)
***P ≤ 0.001, **P ≤ 0.01, *P ≤ 0.05