Genetic Diversity of Landraces and Improved Varieties of Rice (Oryza sativa L.) in Taiwan

Rice

Table 4 Genetic diversity and divergence in Taiwanese germplasm

Group	Number	Mean allele number/locus	Major allele frequency/locus	Mean gene diversity	Mean PIC value	F_ST
All Taiwanese accessions	106	10.19	0.36	0.74	0.70	0.3181
Indica	55	7.41	0.50	0.61	0.57
Japonica	51	6.43	0.56	0.57	0.54
All Taiwanese landraces	59	8.55	0.39	0.72	0.68	0.3142
Indica	36	5.73	0.53	0.58	0.53
Japonica	23	5.37	0.52	0.58	0.55
All Taiwanese cultivars	47	6.84	0.46	0.66	0.62	0.4251
Indica	19	4.81	0.58	0.54	0.51
Japonica	28	3.63	0.68	0.42	0.38
Taiwanese *indica* accessions	55	7.41	0.50	0.61	0.57	0.1344
Cultivars	19	4.81	0.58	0.54	0.51
Landraces	36	5.73	0.53	0.58	0.53
Taiwanese *japonica* accessions	51	6.43	0.56	0.57	0.54	0.1995
Cultivars	28	3.63	0.68	0.42	0.38
Landraces	23	5.37	0.52	0.58	0.55
All Taiwanese *indica* cultivars	19	4.81	0.58	0.54	0.51	0.0045
Early cultivars^a	7	3.29	0.59	0.52	0.47
Late cultivars	12	3.93	0.61	0.51	0.47
All Taiwanese *japonica* cultivars	28	3.63	0.68	0.42	0.38	0.3751
Early cultivars	3	1.72	0.76	0.29	0.24
Late cultivars	25	3.47	0.68	0.42	0.38

^aThe early and late cultivars were released before and after 1981, respectively