Table 2.
Mean number of pollen grains per stigma and fruit set after free pollination of F. japonica, F. sachalinensis, F.×bohemica and F. aubertii
| Mean no. of pollen per stigma | Mean fruit set (%) | ||
|---|---|---|---|
| F. japonica | F | 0·68 (1·91)a | 0·44 (1·04)a |
| F. sachalinensis | F | 7·73 (9·35)b | 5·06 (7·27)b |
| F. sachalinensis | H | 4·67 (4·62)b | n.d. |
| F.×bohemica | H | 26·33 (37·09)b | 0·01 (0·01)c |
| F. aubertii | H | 1566 (1439)c | 19·55 (24·91)b |
F, Male sterile flowers; H, hermaphrodite flowers; n.d. not determined.
Standard deviations are given in brackets. The same superscript letter within a column indicates no significant difference between species. The Kruskal–Wallis test followed by the non-parametric Mann–Whitney test was used to test differences between species.