Table 4.
Number of S. commersonii-specific loci observed in parental genotypes and in tetra- and hyper-tetraploid BC2 genotypes coming from 5x × Tbr-4x crosses as estimated on the basis of RAPD analysis
| Genotype* | Somatic chromosome number | Cmm-specific loci observed,† no. (%) |
|---|---|---|
| Parental genotypes | ||
| Cmm-2x | 24 | 19 (100) |
| Phu-Tbr | 24 | 0 (0) |
| B10 | 36 | 19 (100) |
| P5 | 60 | 19 (100) |
| Tbr-4x | 48 | 0 (0) |
| 5x × Tbr-4x hybrids | ||
| PTH-1 | 49 | 13 (68) |
| PTH-2 | 48 | 13 (68) |
| PTH-3 | 53 | 18 (95) |
| PTH-4 | 50 | 8 (42) |
| PTH-5 | 54 | 17 (89) |
| PTH-6 | 48 | 14 (74) |
| PTH-7 | 53 | 15 (79) |
| PTH-8 | 51 | 18 (95) |
| PTH-9 | 52 | 15 (79) |
| PTH-10 | 53 | 14 (74) |
| PTH-11 | 51 | 13 (68) |
| PTH-12 | 55 | 12 (63) |
| PTH-13 | 54 | 15 (79) |
| PTH-14 | 51 | 13 (68) |
| PTH-15 | 54 | 13 (68) |
| PTH-16 | 53 | 16 (84) |
| PTH-17 | 54 | 15 (79) |
*
Codes as described in Fig. 1.
†
19 Cmm-specific RAPDs were analyzed in each genotype. The percentage reported was calculated as follows: (no. of Cmm-specific RAPDs observed in each genotype/total no. of Cmm-specific RAPDs analyzed) × 100.