BMC Genomics

Table 1 Analysis of molecular variance (AMOVA) for the extraction of SNP variation among groups (populations) and among individuals within populations

From: Molecular characterization of diverse CIMMYT maize inbred lines from eastern and southern Africa using single nucleotide polymorphic markers

Groups	Source of variation	d.f.	Sum of squares	Variance components	Percentage of variation
K = 2 (2 pops and mixed)	Among populations	2	6788.84	23.91	11.74*
	Within populations	897	161224.47	179.74	88.26
	Total	899	168013.30
K = 3 (3 pops and mixed)	Among populations	3	9812.27	19.27	9.84*
	Within populations	896	158201.03	176.56	90.16
	Total	899	168013.30
K = 4 (4 pops and mixed)	Among populations	4	12807.29	21.69	11.12*
	Within populations	895	155206.01	173.41	88.88
	Total	899	168013.30	195.10
K = 5 (5 pops and mixed)	Among populations	5	15428.74	24.69	12.64*
	Within populations	894	152584.56	170.68	87.36
	Total	899	168013.30	195.36
K = 6 (6 pops and mixed)	Among populations	6	17184.95	27.57	14.03*
	Within populations	893	150828.35	168.90	85.97
	Total	899	148013.30	196.47
Cluster analyses -3 groups	Among populations	2	3729.07	7.35	3.86*
	Within populations	897	164284.23	183.15	96.14
	Total	899	168013.30	190.50
Cluster analyses-5 groups	Among populations	4	7377.54	10.08	5.32*
	Within populations	895	160635.77	179.48	94.68
	Total	899	168013.30	189.56
Cluster analyses-6 groups	Among populations	5	9832.12	12.90	6.80*
	Within populations	894	158181.18	176.94	93.20
	Total	899	168013.30	189.84
Heterotic groups (K = 2)	Among heterotic groups	2	4281.98	22.46	11.29*
	Within heterotic groups	437	77179.51	176.61	88.72
	Total	439	81461.49
Heterotic groups (K = 3)	Between heterotic groups	3	7354.74	22.76	11.81*
	Within heterotic groups	436	74106.75	169.97	88.19
	Total	439	81461.49	192.73
Heterotic groups-breeders (A, B)	Between heterotic groups	1	676.51	2.29	1.22*
	Within heterotic groups	438	80784.98	184.44	98.78
	Total	439	81461.49	186.73

*p-value < 0.0001

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