Table 4.
Genetic diversity of 30 weedy rice (Oryza sativa f. spontanea) populations from six regions in Liaoning Province estimated based on polymorphisms of the 20 SSR loci (numbers in parentheses indicate standard deviations)
| Region | Na | P (%) | Ho | He | I | Fis | Fit | Fst | t |
|---|---|---|---|---|---|---|---|---|---|
| Tieling | 2·350 (1·424) | 70 | 0·007 (0·024) | 0·254 (0·243) | 0·434 (0·428) | 0·968 | 0·974 | 0·178 | 0·013 |
| Sujiatun | 2·900 (1·889) | 80 | 0·002 (0·005) | 0·151 (0·165) | 0·296 (0·292) | 0·986 | 0·989 | 0·242 | 0·006 |
| Panshan | 4·100 (2·150) | 95 | 0·030 (0·037) | 0·380 (0·281) | 0·728 (0·575) | 0·894 | 0·921 | 0·252 | 0·041 |
| Haicheng | 2·650 (1·387) | 85 | 0·002 (0·007) | 0·236 (0·230) | 0·397 (0·364) | 0·985 | 0·990 | 0·337 | 0·005 |
| Donggang | 1·550 (0·826) | 40 | 0·001 (0·001) | 0·011 (0·016) | 0·030 (0·043) | 0·968 | 0·969 | 0·043 | 0·016 |
| Zhuanghe | 2·400 (1·501) | 70 | 0·011 (0·034) | 0·197 (0·202) | 0·346 (0·359) | 0·930 | 0·946 | 0·228 | 0·028 |
| Overall | 4·550 (2·417) | 95 | 0·009 (0·014) | 0·313 (0·239) | 0·572 (0·457) | 0·958 | 0·973 | 0·348 | 0·014 |
Na, average number of alleles; P, percentage of polymorphic loci; Ho, observed heterozygosity; He, expected heterozygosity; I, Shannon diversity index; Fis, Fit and Fst, estimates of F-statistics of sub- and regional populations (Hartl and Clark 1989); t, outcrossing rate = (1 − Fit)/(1 + Fit).