Table 4.
Size distributions of Thesium haustoria found on the roots of each host species
| Size range (mm) |
||||||||
|---|---|---|---|---|---|---|---|---|
| Species no. | Species | <1·0 | 1·0–1·5 | 1·5–2·0 | 2·0–2·5 | 2·5–3·0 | >3·0 | Significance |
| 1 | Lespedeza juncea | 548 | 259 | 106 | 40 | 3 | 0 | 2, 3, 4, 5, 8, 9 |
| 2 | Andropogon virginicus | 659 | 136 | 41 | 7 | 1 | 0 | 1 |
| 3 | Cymbopogon tortilis | 410 | 111 | 18 | 8 | 2 | 1 | 1 |
| 4 | Eragrostis curvula | 368 | 75 | 4 | 1 | 0 | 0 | 1 |
| 5 | Agrostis sp. | 259 | 54 | 5 | 0 | 0 | 0 | 1 |
| 6 | Artemisia capillaris | 214 | 69 | 23 | 1 | 0 | 0 | |
| 7 | Pueraria lobata | 124 | 37 | 17 | 12 | 3 | 0 | 8 |
| 8 | Rumex acetosella | 149 | 16 | 2 | 0 | 0 | 0 | 1,7 |
| 9 | Dianthus superbus | 74 | 11 | 1 | 0 | 0 | 0 | 1 |
| 10 | Erigeron annuus | 48 | 12 | 0 | 0 | 0 | 0 | |
| 11 | Praecoces sp. | 38 | 4 | 0 | 0 | 0 | 0 | |
| 12 | Viola mandshurica | 28 | 2 | 0 | 0 | 0 | 0 | |
| 13 | Galium verum | 24 | 1 | 0 | 0 | 0 | 0 | |
| 14 | Briza maxima | 18 | 0 | 0 | 0 | 0 | 0 | |
| 15 | Potentilla chinensis | 12 | 2 | 0 | 0 | 0 | 0 | |
| 16 | Oxalis corniculata | 9 | 0 | 0 | 0 | 0 | 0 | |
| 17 | Poaceae sp. | 5 | 0 | 0 | 0 | 0 | 0 | |
| 18 | Fabaceae sp. | 4 | 0 | 0 | 0 | 0 | 0 | |
| 19 | Vicia sepium | 1 | 1 | 0 | 0 | 0 | 0 | |
| 20 | Agropyron sp. | 1 | 0 | 0 | 0 | 0 | 0 | |
The size distributions were significantly different among species (Kruskal–Wallis test, P < 0·0001). Pairs of species that had significant differences in the sizes of Thesium haustoria (Scheffe's test, P < 0·05) are indicated by species number.