Loss of genetic diversity as a signature of apricot domestication and diffusion into the Mediterranean Basin

BMC Plant Biology

Table 3 Genetic diversity within apricot geographic groups and regions

Groups	Accessions number	H _o	H _e	F _IS	N _A	A _r	A _pr
Iran	14	0.623	0.655	0.051	145	5.03^a	0.47^a
Turkey	32	0.585	0.630	0.073*	174	4.88^a	0.43^a
Region A	46	0.596	0.645	0.076**	199	7.43 ^b	1.86 ^b
Continental Europe	21	0.617	0.619	0.004	138	4.43^a	0.35^a
South France	12	0.623	0.609	−0.024	110	4.16^a	0.09^a
South Italy	18	0.633	0.579	−0.098	101	3.61^a	0.07^a
Region B	51	0.624	0.623	−0.003	156	5.77 ^b	0.79 ^b
Murcia	11	0.487	0.567	0.146***	95	3.73^a	0.05^a
North Tunisia	19	0.570	0.551	−0.036	100	3.48^a	0.08^a
Moulouya Valley	13	0.428	0.535	0.207*	96	3.52^a	0.03^a
Messaad	23	0.553	0.500	−0.108	97	3.36^a	0.01^a
Oases of Tunisia	23	0.489	0.487	−0.004	97	3.34^a	0.02^a
Draa Valley	21	0.379	0.474	0.204***	100	3.38^a	0.01^a
Region C	110	0.488	0.569	0.143***	175	5.57 ^b	0.80 ^b
P (Region A vs. B)		0.817	0.513		0.020^$	0.017^$	4.8 10^-5$$$
P (Region A vs. C)		0.062	0.189		0.147	0.006^$$	2.8 10^-5$$$
P (Region B vs. C)		0.009^$$	0.489		0.476	0.701	0.550

H_oobserved heterozygosity; H_eexpected heterozygosity; F_ISfixation index values; Exact test significant at * P < 0.001, ** P < 0.0001, and *** P < 10^-5.
N_Atotal number of alleles per group; A_rallelic richness; A_prprivate allelic richness.
Probability of independency between two regions using the two-tailed Mann-Whitney’s U test. ^$P < 0.05; ^$$P <0.01; ^$$$P < 0.001.
^a standardized at maximum value G = 19 individuals per group; ^b standardized at maximum value G = 70 individuals per region.

ISSN: 1471-2229