Table S1.
Summary of quantitative studies of the FG defects in various genetic materials used in this study
| Experiment | Genotype of female | Ratio, % | Note |
| Seed set | WT | 98.6 ± 1.59 | Seed set of self-fertilized plants. |
| ap1g1-1 | 97.9 ± 1.81 | ||
| ap1g2-1 | 98.6 ± 1.56 | ||
| ap1g1 g2/+ | 47.9 ± 1.07 | ||
| ap1g1/+ g2 | 73.6 ± 8.97 | ||
| fer-4/+ ap1g1/+ g2 | 35.8 ± 6.2 | ||
| fer-4/+ | 85.5 ± 3.09 | ||
| CLSM of ovules at 24 HAP | WT | 96.3 ± 1.4 | Fertilized, based on the presence of embryo/endosperm. |
| ap1g1/+ g2 | 23.9 ± 4.8 | Unfertilized, based on the presence of FG nuclei. | |
| Pollination with ProLAT52:GUS at 9 HAP | WT | 97.46 ± 3.29 | Ratio of pollen tube guidance. |
| ap1g1/+ g2 | 89.87 ± 9.64 | ||
| vha-A/+ | 85.62 ± 9.36 | ||
| Atvpe | 98.1 ± 2.47 | ||
| Aniline blue staining at 48 HAP | WT | 92.3 ± 6.5 | Ratio of fertilized and developed ovules. |
| ap1g1/+ g2 | 65.2 ± 11.6 | ||
| fer-4/+ ap1g1/+ g2 | 23.1 ± 6.5 | ||
| fer-4/+ | 74.2 ± 5.8 | ||
| vha-A/+ | 71.54 ± 9.75 | ||
| Atvpe | 98.19 ± 1.41 | ||
| Pollination with ProLAT52:DsRed at 12 HAP | WT | 91.1 ± 3.47 | Ratio of ovules containing a bursting pollen tube among all ovules examined. |
| ap1g1/+ g2 | 62.1 ± 8.5 |