Table 3.
The number (percentage) of stainable pollen and pollen types in eight Paphiopedilum interspecific hybrids
| No. (%) of stainable pollen counted |
||||
|---|---|---|---|---|
| Hybrid | Total pollen analysed | Stained pollen* | Large pollen† | Small pollen‡ |
| P. delenatii × P. micranthum | 618 | 458 (74·1) | 432 (69·9) | 26 (4·2) |
| P. delenatii × P. bellatulum | 623 | 427 (68·5) | 379 (60·8) | 48 (7·7) |
| P. delenatii × P. rothschildianum | 620 | 376 (60·6) | 308 (49·6) | 68 (11·0) |
| P. delenatii × P. callosum | 608 | 291 (47·8) | 216 (35·5) | 75 (12·3) |
| P. delenatii × P. glaucophyllum | 622 | 349 (56·1) | 291 (46·8) | 58 (9·3) |
| P. rothschildianum × P. micranthum | 618 | 362 (58·6) | 301 (48·7) | 61 (9·9) |
| P. rothschildianum × P. bellatulum | 632 | 453 (71·7) | 419 (66·3) | 34 (5·4) |
| P. rothschildianum × P. moquetteanum | 624 | 416 (66·6) | 364 (58·3) | 52 (8·3) |
* Total number of pollen grains positively stained by aceto-carmine.
† The number of pollen grains positively stained ranged from 12 µm to 15 µm in size.
‡ The number of pollen that were positively stained and were smaller than 8 µm.