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. 2013 Mar 7;13:39. doi: 10.1186/1471-2229-13-39

Table 2.

Summary statistics of genetic variation at 22 SSR loci and 353 SNP loci in the entire FEM germplasm collection and its four grape subpopulations

Markers Sample N n A a AE HE HO F MAF
SSR
Total
1085
1036.7
499
22.682
6.191
0.814
0.743
0.090
-
Sativa
733
715.5
362
16.455
5.292
0.78
0.761
0.025
-
Sylvestris
139
136.5
234
10.636
3.618
0.699
0.627
0.104
-
Rootstocks
127
110.3
412
18.727
8.199
0.838
0.734
0.124
-
Hybrids
86
74.5
294
13.364
5.682
0.81
0.796
0.011
-
SNP
Total
1072
1027.0
706
2.000
1.588
0.344
0.309
0.093
0.25846
Sativa
728
703.1
704
1.994
1.589
0.345
0.349
−0.005
0.25809
Sylvestris
137
131.8
687
1.946
1.421
0.266
0.251
0.046
0.19964
Rootstocks
122
111.0
669
1.895
1.157
0.116
0.099
0.090
0.08193
  Hybrids 85 81.0 696 1.972 1.565 0.335 0.337 −0.014 0.25668

Total – entire germplasm collection (pooled sample treated as a single population); N – sample size; n – mean sample size over loci; A – number of different alleles; a – mean number of alleles per locus; AE – effective number of alleles; HE – unbiased expected heterozygosity; HO – observed heterozygosity; F – fixation index (inbreeding coefficient); MAF – minor allele frequency.