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Table 3 Analysis of variance, mean and standard errors for the activity of carbohydrate metabolic enzymes (nkat/g FW) within leaf and spike tissue under well-watered and drought conditions

From: Activities of leaf and spike carbohydrate-metabolic and antioxidant enzymes are linked with yield performance in three spring wheat genotypes grown under well-watered and drought conditions

Enzymes activity in leaf

Genotypes

L1

L2

L3

P-value

WW

D

WW

D

WW

D

Cell wall invertase (cwInv)

41.61 ± 11.8

79.73 ± 13.3

43.65 ± 14.3

59.27 ± 14.1

18.57 ± 4.83

64.48 ± 21.16

PG = 0.41

PW = 0.009

P W*G = 0.54

Vacuolar invertase (vacInv)

18.12 ± 0.97

38.88 ± 6.25

36.86 ± 9.19

47.67 ± 8.49

63.61 ± 12.3

144.87 ± 67.1

PG = 0.04

PW = 0.12

P W*G = 0.42

Cytoplasmic invertase (cytInv)

13.54 ± 1.96

25.96 ± 9.56

13.69 ± 3.45

22.83 ± 7.48

13.94 ± 1.52

31.07 ± 17.02

PG = 0.88

PW = 0.08

P W*G = 0.89

Adenosine diphosphate phosphorylase (AGPase)

2.82 ± 0.20

2.36 ± 0.30

1.75 ± 0.17

1.34 ± 0.31

2.76 ± 0.27

2.06 ± 0.38

PG = 0.003

PW = 0.03

P W*G = 0.87

Uridine diphosphate glucose phosphorylase (UGPase)

25.10 ± 1.35

22.75 ± 3.32

20.08 ± 1.44

13.65 ± 1.13

22.58 ± 2.34

22.14 ± 1.89

PG = 0.01

PW = 0.13

P W*G = 0.3

Hexokinase (HXK)

0.05 ± 0.01

0.11 ± 0.02

0.20 ± 0.4

0.07 ± 0.03

0.08 ± 0.004

0.15 ± 0.02

PG = 0.08

PW = 0.99

P W*G < 0.001

Fructokinase (FK)

1.46 ± 0.17

0.81 ± 0.15

1.38 ± 0.28

0.97 ± 0.29

2.66 ± 0.20

1.46 ± 0.50

PG = 0.02

PW = 0.2P W*G = 0.75

Phosphoglucomutase (PGM)

13.14 ± 1.90

12.39 ± 2.97

11.87 ± 2.39

8.84 ± 1.93

8.27 ± 0.51

8.40 ± 1.81

PG = 0.11

PW = 0.47

P W*G = 0.72

Phosphoglucoisomerase (PGI)

9.55 ± 0.49

13.34 ± 0.91

15.04 ± 1.93

11.43 ± 1.78

17.62 ± 0.65

21.02 ± 1.69

PG < 0.001

PW = 0.31

P W*G = 0.03

Phosphofructokinase (PFK)

0.41 ± 0.06

0.39 ± 0.09

0.31 ± 0.06

0.19 ± 0.02

0.53 ± 0.3

0.43 ± 0.13

PG = 0.02

PW = 0.20

P W*G = 0.76

Fuctose-1,6-bisphosphate aldolase (Aldolase)

0.30 ± 0.08

0.23 ± 0.15

0.54 ± 0.09

0.11 ± 0.05

0.56 ± 0.03

0.33 ± 0.07

PG = 0.21

PW < 0.001

P W*G = 0.07

Enzymes activity in spike

Genotypes

L1

 

L2

 

L3

 

P-value

WW

D

WW

D

WW

D

 

Cell wall invertase (cwInv)

28.73 ± 9.45

21.67 ± 2.52

49.52 ± 19.4

58.19 ± 15.7

49.68 ± 28.4

63.50 ± 20.44

PG = 0.18

PW = 0.73

P W*G = 0.83

Vacuolar invertase (vacInv)

18.12 ± 0.97

47.72 ± 14.2

36.86 ± 9.2

47.67 ± 8.49

92.56 ± 46.7

128.22 ± 40.4

PG = 0.02

PW = 0.25

P W*G = 0.88

Cytoplasmic invertase (cytInv)

64.66 ± 8.79

87.68 ± 11.6

7.73 ± 4.01

34.53 ± 7.85

30.68 ± 6.28

57.22 ± 15.81

PG < 0.001

PW = 0.005

P W*G = 0.98

Adenosine diphosphate phosphorylase (AGPase)

0.43 ± 0.04

0.58 ± 0.05

0.77 ± 0.02

0.87 ± 0.04

0.60 ± 0.11

0.48 ± 0.05

PG < 0.001

PW = 0.37

P W*G = 0.08

Uridine diphosphate glucose Phosphorylase (UGPase)

10.63 ± 0.63

11.49 ± 0.94

9.42 ± 1.09

10.16 ± 1

9.59 ± 0.27

10.46 ± 0.29

PG = 0.23

PW = 0.09

P W*G = 0.93

Hexokinase (HXK)

0.04 ± 0.01

0.09 ± 0.02

0.11 ± 0.01

0.12 ± 0.02

0.08 ± 0.01

0.09 ± 0.01

PG = 0.003

PW = 0.03

P W*G = 0.23

Fructokinase (FK)

0.41 ± 0.08

0.47 ± 0.04

0.56 ± 0.18

0.84 ± 0.1

0.41 ± 0.1

0.56 ± 0.06

PG = 0.04

PW = 0.06

P W*G = 0.56

Phosphoglucomutase (PGM)

5.38 ± 0.74

5.80 ± 0.47

4.32 ± 0.69

5.09 ± 1.03

3.17 ± 0.19

3.71 ± 0.35

PG = 0.01

PW = 0.23

P W*G = 0.96

Phosphoglucoisomerase (PGI)

4.63 ± 0.31

5.99 ± 0.46

7.69 ± 0.64

7.44 ± 0.89

6.05 ± 0.85

6.01 ± 0.99

PG = 0.02

PW = 0.56

P W*G = 0.56

Phosphofructokinase (PFK)

0.22 ± 0.02

0.34 ± 0.03

0.10 ± 0.01

0.25 ± 0.04

0.11 ± 0.04

0.18 ± 0.01

PG < 0.001

PW < 0.001

P W*G = 0.30

Fuctose-1,6-bisphoate aldolase (Aldolase)

0.05 ± 0.01

0.05 ± 0.03

0.13 ± 0.07

0.07 ± 0.02

0.09 ± 0.03

0.05 ± 0.01

PG = 0.08

Pw = 0.00

P W*G = 0.56

  1. WW Well-watered, D Drought, PWP value of drought effect, PG P value of genotype effect and PWxG P value of the interaction of drought by genotype