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Table 4 Summary of polymorphisms according to groups of populations

From: Genetic structure of Thai rice and rice accessions obtained from the International Rice Research Institute

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