Table 2.

Genetic diversity indices of the WA and Vietnamese collections, and variations among geographic groups

Geographical group	Number of accessions	Na	Ne	I	Ho	He	PIC
Whole collection	294	7.29	2.28	0.84	0.14	0.38	0.35
WA collection	175	6.24	2.18	0.82	0.14	0.38	0.36
Africa	3	2.00	1.79	0.48	0.16	0.28	0.24
America	18	3.38	2.38	0.90	0.09	0.52	0.46
East Asia	54	3.38	1.83	0.57	0.15	0.29	0.27
South Asia	84	4.90	1.86	0.67	0.14	0.31	0.30
Southeast Asia	7	3.33	2.40	0.88	0.21	0.48	0.42
Commercial cultivars	9	2.24	1.80	0.52	0.10	0.30	0.24
Vietnamese collection	119	4.52	2.10	0.69	0.14	0.34	0.30
Northeast	25	3.62	2.16	0.70	0.14	0.35	0.32
Northwest	25	3.00	1.94	0.63	0.19	0.34	0.30
Red River Delta	9	2.71	2.02	0.61	0.16	0.33	0.30
North Central Coast	18	3.05	1.76	0.56	0.11	0.28	0.26
South Central Coast	13	2.24	1.68	0.46	0.12	0.26	0.23
Central Highlands	12	2.90	2.02	0.62	0.13	0.32	0.29
Southeast	5	2.05	1.66	0.48	0.13	0.28	0.25
Southwest	12	2.76	1.87	0.59	0.19	0.32	0.29

Na, number of alleles; Ne, number of effective alleles; I, information index; Ho, observed heterozygosity; He, expected heterozygosity; PIC, polymorphism information content.