Skip to main content

Table 3 Correlation between variables and the three first principal components based on seed mineral content, seed size and weight, and seed germination parameters

From: Origin-dependence of variation in seed morphology, mineral composition and germination percentage in Gynandropsis gynandra (L.) Briq. accessions from Africa and Asia

Variables

Unit

Principal Components

1

2

3

Carbon

g/100 g

0.27

−0.80

0.43

Oxygen

g/100 g

−0.28

0.67

−0.57

Magnesium

g/100 g

−0.78

0.36

0.21

Aluminium

g/100 g

0.24

−0.19

0.55

Phosphorus

g/100 g

−0.66

0.23

0.45

Sulphur

g/100 g

−0.53

0.26

0.60

Potassium

g/100 g

−0.05

0.50

−0.11

Calcium

g/100 g

0.57

−0.23

−0.14

Seed area

mm2

0.90

0.35

0.08

Seed Perimeter

mm

0.87

0.18

0.38

Seed width

mm

0.85

0.38

0.09

Seed length

mm

0.88

0.23

−0.18

10-Seed weight

mg

0.85

0.23

−0.18

Mean Germination Time

day

−0.11

0.55

0.50

Percentage of germination

%

−0.12

0.59

− 0.18-

  1. Significant values are indicated in bold.