Table 1.
Seed Composition of F1 Siliques Obtained by Self-Pollination and Crosses between atswi3b/+ and Wild-Type Plants
| Female × Male | Wild-Type Seeds (%) | Wild-TypeSegregation (R:Sa) | White Aborted Seeds (%) | Arrested Ovules (%) | No. |
|---|---|---|---|---|---|
| atswi3b-1/+ × atswi3b-1/+ | 41 | 2:1 | 11 | 48 | 2000 |
| atswi3b-1/+ × wild type | 46 | 1:1 | <1 | 53 | 494 |
| Wild type × atswi3b-1/+ | 87 | 1:1 | <1 | 12 | 2000 |
| atswi3b-2/+ × atswi3b-2/+ | 40 | 2:1 | 11 | 49 | 2000 |
| atswi3b-2/+ × wild type | 45 | 1:1 | <1 | 55 | 752 |
| Wild type × atswi3b-2/+ | 80 | 1:1 | <1 | 20 | 1668 |
| Wild type × wild type | 98 | – | <1 | 1 | 1301 |
| atswi3b-1/+ (second backcross) | 39 | 2:1 | 11 | 50 | 1047 |
| atswi3b-2/+ (second backcross) | 38 | 2:1 | 11 | 51 | 1024 |
Both atswi3b mutants were backcrossed twice with the wild type.
a
R, resistant; S, sensitive.