Fig 1.
SNP type for 3334 SNP markers used in the bambara groundnut accession analysis.
Table 1.
Estimation of DArT SNP marker quality and diversity used for the analysis.
Table 2.
Estimation of major allele frequency, mean gene diversity within population, total gene diversity and Shannon diversity among bambara groundnut germplasm.
Table 3.
Pairwise Nei’s genetic distance among Bambara groundnut populations from the geographical regions.
Table 4.
Analysis of molecular variance (AMOVA) for the five geographical regions of the bambara groundnut accession.
Fig 2.
Percentage of variation explained by the first three axes.
Fig 3.
Principal component analysis showing the clustering between the geographical regions.
Fig 4.
Neighbor joining (NJ) tree showing relationships among populations of bambara groundnut.
Fig 5.
DAPC analysis showing the relationship between the geographic regions.
Fig 6.
Population structure generated by ADMIXTURE model among 270 bambara groundnut genotypes (K = 2 top and K = 3 bottom).
Each vertical bar represents one genotype that is partitioned in to up to K colored segments.
Fig 7.
Boxplot showing the performances of bambara groundnut accessions in the identified three subpopulations for the studied morphological traits.
Dots above and below boxplots are outliers, and lower and upper tails represent minimum and maximum values, respectively.
Table 5.
Descriptive statistic and the morphological trait variation of the bambara groundnut accessions.