Table 2. Genetic diversity of major groups of global and Chinese rice cultivars inferred by 84 SSR loci (s.d. are presented in parentheses).
| Group/subspecies | N (%) |
Na
|
He
|
PIC
|
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Global | Chinese total | Chinese CC* | Global | Chinese total | Chinese CC | Global | Chinese total | Chinese CC | Global | Chinese | Chinese CC | |
| indica | 62 (40.5) | 495 (63.7) | 124 (67.4) | 8.8 (4.9) | 13.0 (7.5) | 10.2 (5.8) | 0.624 | 0.623 | 0.615 | 0.593 | 0.595 | 0.587 |
| aus | 24 (15.7) | — | — | 6.2 (3.5) | — | — | 0.604 | — | — | 0.568 | — | — |
| Indica | 83 | 495 | 124 | 10.5 (6.0) | 13.0 (7.5) | 10.2 (5.8) | 0.694 | 0.623 | 0.615 | 0.665 | 0.595 | 0.587 |
| aromatic | 17 (11.1) | — | — | 5.5 (2.7) | — | — | 0.607 | — | — | 0.572 | — | — |
| rayada | 9 (5.9) | — | — | 3.6 (1.9) | — | — | 0.506 | — | — | 0.465 | — | — |
| temperate japonica | 22 (14.4) | 201 (25.8) | 43 (23.4) | 5.7 (3.0) | 11.7 (6.5) | 7.9 (4.3) | 0.573 | 0.608 | 0.609 | 0.542 | 0.585 | 0.583 |
| tropical japonica | 19 (12.4) | 82 (10.5) | 17 ((9.2) | 6.1 (2.7) | 9.5 (5.3) | 5.5 (2.7) | 0.639 | 0.621 | 0.587 | 0.608 | 0.596 | 0.556 |
| Japonica | 70 | 283 | 60 | 10.6 (5.7) | 12.6 (7.0) | 9.1 (5.0) | 0.731 | 0.643 | 0.638 | 0.702 | 0.619 | 0.611 |
| Total | 153 | 778 | 184 | 13.0 (7.4) | 14.0 (8.0) | 12.3 (7.0) | 0.769 | 0.747 | 0.737 | 0.738 | 0.712 | 0.704 |
Abbreviations: CC, core collection; N, sample size; Na, the number of alleles of per locus; He, gene diversity per locus; PIC, polymorphism information content; SSR, simple sequence repeat. Two subspecies and their estimates of the parameters were bold faced.