Table 1.
Pollination Analysis of Plants Segregating for Sa and Sb Specificitiesa
| Pollen Parentb
|
|||
|---|---|---|---|
| Ovule Parent | SaSa (18) | SaSb (27) | SbSb (9) |
| SaSa (18) | − | + | + |
| SaSb (27) | ± | − | − |
| SbSb (9) | + | − | − |
Numbers within parentheses indicate the number of plants in each phenotypic group.
(−) indicates an incompatible response in which <10 pollen tubes were produced per pollinated stigma; (+) indicates a compatible response in which >300 pollen tubes were produced per pollinated stigma; (±) indicates a variable pollen tube count in which 20 to 100 pollen tubes were produced per pollinated stigma.