Table 4 Phenotypic and genotypic parameter variation across the genetic groups identified by the combined analysis.

From: Comparative assessment of genetic diversity matrices and clustering methods in white Guinea yam (Dioscorea rotundata) based on morphological and molecular markers

Phenotypic traits

Cluster 1

Cluster 2

Cluster 3

Average

SD

Average

SD

Average

SD

Days to start senescence

226.15

10.11

177.98

38.44

229.58

4.43

Days to flower

139.88

41.67

81.03

32.45

136.92

18.27

Days maturity

254.10

22.75

202.82

39.16

249.27

4.41

No. of stems

1.45

0.57

2.12

1.66

1.13

0.16

Stem diameter

3.96

0.77

3.70

1.03

3.47

0.62

YMV (AUDPC value)

350.03

30.53

268.33

86.06

330.13

19.89

Plant vigor

1.83

0.33

1.76

0.52

1.75

0.22

Plant sex

0.93

0.65

0.47

0.62

0.54

0.49

Flower intensity

3.17

2.40

2.21

1.55

2.55

2.54

Number of tubers per plant

1.38

0.45

1.38

0.44

1.08

0.17

Tuber weight (kg plant−1)

1.13

0.48

0.69

0.44

1.00

0.35

Tuber weight (t ha−1)

11.15

4.68

6.65

4.39

9.88

3.49

Average tuber weight

1.00

0.44

0.63

0.47

0.98

0.37

Tuber appearance

1.85

0.65

1.37

0.61

2.07

0.62

Tuber cracks

0.50

0.45

1.27

1.02

0.23

0.28

Leaf density

5.02

0.72

4.48

1.16

4.76

0.54

Inflorescence type

1.23

0.35

1.16

0.25

1.08

0.10

Stem color

1.64

0.69

1.43

0.48

1.76

0.70

Tuber length

22.34

5.31

18.78

7.10

26.12

2.11

Tuber width

9.43

2.32

7.61

2.19

10.16

2.48

Tuber area

0.44

0.10

0.46

0.18

0.40

0.10

Oxidation

1.75

1.27

0.09

0.85

2.29

1.55

Dry matter

33.61

3.38

37.96

3.38

35.30

4.78

Minor allele frequency

0.26

0.26

0.22

Observe heterozygosity

0.42

0.43

0.44

Expected heterozygosity

0.35

0.34

0.25

Polymorphism information content

0.26

0.65

0.56

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