Table 1.
Segregation of genetic male sterility in F1 of F3 sibling crosses and their F2 progenies
| Generation | Fertile frequency | Sterile frequency | Expected ratio (F:S) | Chi-square probability |
|---|---|---|---|---|
| Fa1 | 11 | 19 | 1:1 | 0.144 |
| Fa1 | 1 | 2 | 1:1 | 0.564 |
| Fa1 | 3 | 0 | 1:1 | 0.083 |
| Fb2 | 51 | 27 | 3:1 | 0.05 |
| Fb2 | 26 | 16 | 3:1 | 0.05 |
| Fb2 | 25 | 11 | 3:1 | 0.441 |
| Fb2 | 76 | 18 | 3:1 | 0.19 |
| Fb2 | 45 | 20 | 3:1 | 0.283 |
| Fb2 | 399 | 35 | 15:1 | 0.118 |
aSibcross F1 progenies from a cross between fertile and sterile siblings selected from F3 segregating populations
bF2 progenies from F1 by selfing