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Table 5 The three major components (PC1, PC2 and PC3) and PCA ranking values of the physiological parameters of 49 switchgrass lines after 30 days of drought stress

From: Assessment of drought tolerance of 49 switchgrass (Panicum virgatum) genotypes using physiological and morphological parameters

 

PC1

PC2

PC3

Ranking

Numeric rank

TEM-SEC

87.49

107.57

11.85

70.85

1

TEM-LoDorm

63.25

104.99

13.33

56.56

2

BN-13645-64

69.79

71.30

26.84

56.10

3

Alamo

69.12

68.30

26.50

55.15

4

BN-10860-61

65.49

44.07

38.37

50.26

5

BN-12323-69

66.67

36.81

40.43

49.93

6

TEM-SLC

53.58

95.92

14.45

49.52

7

T-2086

58.96

63.42

26.55

48.43

8

T-2100

55.28

73.88

23.46

47.75

9

T-2101

47.80

62.32

28.42

42.01

10

Caddo

43.77

73.18

24.35

41.08

11

Blackwell-1

30.59

94.67

15.16

36.09

12

AM-314/MS-155

37.03

46.80

35.42

33.92

13

70SG0019

23.45

64.54

25.49

27.96

14

70SG002

20.92

66.75

27.10

27.08

15

70SG0018

16.78

88.39

15.72

27.08

16

T16971

19.83

68.11

25.15

26.45

17

70SG0020

18.83

62.76

31.20

25.67

18

Trailblazer

23.00

43.38

34.70

25.13

19

BN-18758-67

17.86

60.66

32.70

24.93

20

BN-11357-63

5.73

128.58

−7.83

24.83

21

70SG0024

11.93

77.78

27.98

23.91

22

Forestburg

−19.99

168.44

−20.14

15.42

23

T4614

6.53

49.47

24.46

15.41

24

Sunburst

−15.56

140.08

−7.26

14.60

25

Kanlow

1.36

45.30

33.07

12.75

26

Shawnee

−12.10

104.59

10.56

12.57

27

BN-8624-67

−7.92

71.94

28.49

11.48

28

Turkey

−16.46

72.55

21.53

5.79

29

70SG0023

−23.86

74.50

19.51

1.61

30

Pathfinder

−16.00

36.80

30.91

0.96

31

70SG005

−26.21

54.68

36.22

−1.17

32

T4613

−34.79

88.37

22.77

−1.89

33

70SG0021

−50.75

149.10

−12.89

−4.86

34

70SG004

−34.57

41.19

47.56

−6.98

35

Blackwell-3

−68.04

189.88

−33.62

−10.27

36

Summer

−42.97

54.36

30.46

−11.63

37

70SG001

−49.36

88.38

11.94

−11.64

38

70SG0022

−56.64

62.00

33.21

−17.86

39

70SG0016

−64.46

84.77

8.47

−21.43

40

70SG0017

−57.00

5.22

56.18

−25.19

41

70SG003

−58.65

23.10

34.46

−25.67

42

Blackwell-2

−65.66

49.15

29.41

−25.79

43

Grif Nebraska 28

−63.46

15.19

40.02

−29.15

44

Grenville-2

−83.49

59.64

22.98

−35.05

45

Central Iowa Germplasm

−96.63

103.35

8.59

−36.76

46

Cave-in-Rock

−85.49

34.09

34.85

−39.22

47

Dacotah

−101.37

86.86

16.36

−41.44

48

Nebraska 28

−102.90

17.87

44.40

−50.96

49