Table 4.
Summary of polymorphisms according to groups of populations
| Samples | Sample size | Mean no. of allele | Effective number of alleles | Mean genetic diversity | Exp. Heterozygosity | No. of polymorphic loci |
|---|---|---|---|---|---|---|
| All | 100 | 5.8 | 1.9 | 0.419 | 0.421 | 19 |
| 1. Thai rice lines | 38 | 3.2 | 2.0 | 0.436 | 0.441 | 17 |
| -Thai improved cultivars | 11 | 2.3 | 1.8 | 0.367 | 0.383 | 15 |
| -Thai breeding lines | 16 | 2.7 | 2.0 | 0.448 | 0.464 | 17 |
| -Thai landraces | 11 | 2.4 | 1.9 | 0.398 | 0.417 | 17 |
| 2. IRRI rice lines | 57 | 3.7 | 1.7 | 0.322 | 0.324 | 18 |
| -IRRI improved cultivars | 24 | 2.6 | 1.7 | 0.328 | 0.334 | 16 |
| - IRRI breeding lines | 33 | 3.2 | 1.6 | 0.298 | 0.302 | 18 |
| 3. The other Oryza species | 5 | 3.1 | 2.9 | 0.547 | 0.638 | 16 |