Table 2.

Summary of genetic diversity and effective alleles among different Arachis sections.

Sections	Number of accessions	No. of different alleles	No. of effective alleles	Shannon's information index	Expected heterozygosity	Unbiased expected heterozygosity
Arachis	54	1.95	1.51	0.46	0.30	0.31
Caulorrhizae	4	1.05	1.24	0.23	0.15	0.17
Erectoides	10	1.56	1.36	0.34	0.22	0.23
Extranervosae	3	1.06	1.32	0.28	0.19	0.22
Heteranthae	9	1.25	1.28	0.26	0.17	0.18
Procumbentes	12	1.67	1.36	0.34	0.22	0.23
Triseminatae	2	0.48	1.09	0.08	0.06	0.07
Synthetics	2	0.49	1.09	0.08	0.06	0.07
Grand mean	12	1.19	1.28	0.26	0.17	0.19