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Table 4 Analysis of molecular variance (AMOVA) for the extraction of SNP variation among and within groups (populations)

From: Comparisons of molecular diversity indices, selective sweeps and population structure of African rice with its wild progenitor and Asian rice

Category No. of SNPs used for analysis Source of variation d.f. Sum of squares Variance components Percentage of variation
Four groups (O. glaberrima, O. barthii, lowland O. sativa and upland O. sativa) 23,079 Among groups 3 7,600,354.2 5358.1 92.8
Within groups 3241 1,347,725.3 415.8 7.2
Total 3244 8,948,079.4 5774.0 100.0
Two groups (O. glaberrima and O. barthii) 23,079 Among groups 1.0 18,837.7 84.9 27.65
Within groups 2471.0 548,912.1 222.1 72.35
Total 2472 567,749.8 307.0 100.0
Two groups (O. glaberrima and O. barthii) 3484 Among groups 1.0 18,466.0 83.2 27.67
Within groups 2471.0 537,451.2 217.5 72.33
Total 2472 555,917.2 300.7 100.0