extremely significantP < 0.01
There were 29 pairwise F ST values (BJ-FR, BJ-QHD, BJ-XC, BJ-HS, BJ-CT, BJ-GZL, BJ-DH, BJ-HRB, TJ-CC, XTS-CC, XTS-HRB, RF-XC, FR-HS, FR-CT, FR-GZL, FR-CC, FR-HRB, XL-CC, QHD-XC, QHD-HS, QHD-CT, QHD-HRB, XC-CT, XC-DH, XC-HRB, HS-CT, HS-HRB, CT-HRB, and TL-CC) showing significant differences ( P < 0.05), 5 of which (BJ-CT, BJ-HRB, FR-CC, FR-HRB, and XC-HRB) showed extremely significant differences ( P < 0.01).