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Table 2 Eigenvectors and eigen analysis of the correlation matrix for the nine principal components traits associated with stem hardness performance in G. hirsutum accessions

From: Correlation analysis of stem hardness traits with fiber and yield-related traits in core collections of Gossypium hirsutum

Traits

Years

PC1

PC2

PC3

PC4

PC5

PC6

PC7

PC8

PC9

BL

2017

0.18

0.42

0.02

− 0.04

− 0.12

− 0.13

0.07

− 0.01

0.12

2018

0.26

0.09

0.38

0.05

0.00

− 0.15

− 0.08

0.13

0.01

AL

2017

0.04

0.16

0.17

− 0.23

0.47

− 0.40

0.04

− 0.1

0.48

2018

0.09

0.1

0.19

− 0.1

− 0.57

0.00

− 0.04

− 0.09

− 0.11

CL

2017

0.11

0.28

− 0.05

0.00

− 0.4

0.00

0.13

0.16

0.37

2018

0.14

0.01

0.29

0.00

0.5

− 0.05

0.01

− 0.28

0.03

BU

2017

0.19

0.40

0.05

0.00

−0.19

− 0.13

− 0.02

− 0.13

− 0.21

2018

0.22

0.18

0.43

0.05

−0.05

− 0.11

0.02

0.04

0.02

AU

2017

0.10

0.26

0.14

−0.26

0.43

−0.22

− 0.02

0.06

− 0.27

2018

0.06

0.13

0.15

−0.13

− 0.53

0.02

− 0.06

− 0.40

0.15

CU

2017

0.15

0.40

0.04

−0.01

− 0.22

− 0.01

0.02

0.07

− 0.42

2018

0.17

0.17

0.39

0.01

0.28

−0.08

0.00

−0.18

− 0.06

FS

2017

−0.07

0.02

0.05

−0.05

−0.11

− 0.16

−0.86

0.42

0.07

2018

0.32

0.09

−0.29

− 0.09

0.02

− 0.12

−0.05

− 0.05

0.21

FL

2017

0.29

−0.08

0.34

0.19

0.00

−0.05

0.02

0.09

0.02

2018

0.37

0.06

−0.19

−0.06

0.03

−0.04

0.12

−0.08

−0.01

M

2017

0.14

−0.02

−0.51

− 0.25

−0.02

− 0.07

0.11

0.36

0.13

2018

0.00

−0.31

0.19

−0.02

0.03

0.24

−0.54

0.11

0.50

UP

2017

0.31

−0.08

0.18

0.19

0.12

0.03

0.06

0.16

−0.02

2018

0.34

−0.10

−0.10

− 0.12

0.00

0.04

−0.17

0.06

0.17

FE

2017

0.24

−0.07

−0.01

0.15

0.05

0.07

0.27

0.54

0.19

2018

0.35

−0.07

−0.16

−0.12

0.01

0.06

−0.03

0.01

0.31

SCI

2017

0.19

−0.07

0.47

0.3

−0.05

0.09

−0.07

−0.02

0.12

2018

0.35

0.13

−0.27

−0.12

0.01

−0.17

0.19

−0.02

− 0.03

FD

2017

0.23

0.17

−0.23

0.06

0.34

0.41

−0.18

−0.07

0.00

2018

0.08

0.31

0.01

0.37

0.00

0.433

0.19

0.15

0.20

PH

2017

0.21

0.08

−0.16

0.12

−0.15

0.02

−0.23

−0.48

0.40

2018

0.16

−0.17

0.18

−0.14

−0.11

− 0.16

0.14

0.75

−0.11

BW

2017

0.29

−0.21

0.04

−0.39

−0.17

0.07

−0.02

− 0.14

0.00

2018

−0.04

−0.08

− 0.07

0.54

− 0.10

−0.52

− 0.03

0.00

0.22

GP

2017

0.26

0.14

−0.11

−0.02

0.27

0.50

−0.16

0.01

−0.02

2018

0.09

0.36

−0.06

0.37

−0.05

0.36

0.04

0.16

0.05

LP

2017

0.27

−0.19

−0.25

0.24

0.06

−0.36

−0.05

− 0.06

−0.18

2018

0.22

−0.42

0.06

0.08

−0.05

0.3

0.17

−0.13

−0.23

LI

2017

0.32

−0.26

−0.03

− 0.14

−0.04

− 0.18

−0.05

− 0.03

−0.15

2018

0.29

−0.23

−0.03

0.20

−0.02

0.23

−0.27

− 0.07

−0.5

FWPB

2017

0.34

−0.24

−0.12

− 0.10

−0.09

− 0.15

−0.03

− 0.15

−0.06

2018

0.13

−0.37

−0.01

0.48

−0.11

− 0.18

0.10

− 0.12

0.04

SI

2017

0.06

−0.11

0.33

−0.59

−0.15

0.27

0.01

0.02

0.02

2018

0.06

0.32

−0.16

0.13

0.03

−0.16

−0.65

0.10

−0.32

Eigenvalue

2017

5.42

3.07

1.78

1.55

1.36

1.23

0.99

0.87

0.75

2018

4.61

2.9

2.55

1.69

1.66

1.33

0.98

0.79

0.71

Proportion

2017

0.27

0.15

0.08

0.07

0.06

0.06

0.05

0.04

0.03

2018

0.23

0.14

0.12

0.08

0.08

0.06

0.04

0.04

0.03

cumulative

2017

0.27

0.42

0.51

0.59

0.66

0.72

0.77

0.81

0.86

2018

0.23

0.37

0.50

0.58

0.67

0.73

0.78

0.82

0.86

  1. BL bending lower, AL acupuncture lower, CL compression lower, BU bending upper, AU acpuncture upper, CU compression upper, PH plant height, BW boll weight, GP growth period, LP lint percentage, LI lint index, FWPB flowering weight per boll, SI seed index, FS fiber strength, FL fiber length, UP uniformity percentage, SCI spinning consistancy index