Table 3. Inheritance analysis of the Dt, dt1 and dt2 genotypes in sesame.
| Cross combination | Indeterminate plant no./Determinate plant no. |
Expected ratio |
|||||
|---|---|---|---|---|---|---|---|
| Parent 1 | Parent 2 | Direct cross(F1) | Reciprocal cross (rF1) | BC1 (x2 value) | F2 (x2 value) | BC1 | F2 |
| Yuzhi DS899 (dt1) | JS012 (Dt) | 52/0 | 55/0 | 97/101 (0.05) | 231/71 (0.28)a | 1:1 | 3:1 |
| Yuzhi DS899 (dt1) | Yuzhi 11 (Dt) | 45/0 | 47/0 | 92/94 (0.01) | 215/64 (0.53) | 1:1 | 3:1 |
| 08TP092 (dt2) | Yuzhi 11 (Dt) | 52/0 | 38/0 | 55/49 (0.24) | 177/54 (0.24) | 1:1 | 3:1 |
| Yuzhi DS899 (dt1) | 08TP092 (dt2) | 0/37 | 0/44 | / | 0/218 | / | / |
| Yuzhi DS899 (dt1) | Ningbohei (Dt) | 64/0 | 58/0 | 84/78 (0.15) | 229/71 (0.22) | 1:1 | 3:1 |
x2(0.05, 1) = 3.84.
aTo construct the SNP map, 120 F2 progeny (with a segregation ratio (Dt:dt1) of 91/29 and x2 value of 0.03) were chosen randomly from the above 302 F2 progeny of ‘Yuzhi DS899 × JS012’.