Table 2.

Pairwise genetic differentiation index (Fst) among apricot clusters identified using model-based Bayesian clustering method (Global Fst = 0.183)

	Cluster 1 (4)	Cluster 2 (16)	Cluster 3 (16)	Cluster 4 (8)	Cluster 5 (20)
Cluster 1	–
Cluster 2	0.234***	–
Cluster 3	0.263***	0.136***	–
Cluster 4	0.281***	0.194***	0.220***	–
Cluster 5	0.313***	0.180***	0.150***	0.121***	–

Cluster 1, cultivars with rectangular-plate fruit shape and white flesh color; cluster 2, northern cultivars; cluster 3, central and southern cultivars; cluster 4, Bargougs of Gafsa oasis and cluster 5 Bargougs from other oasis regions

*** P < 0.001