Table 4 Photosynthetic pigments of Cynodon dactylon under control and drought stress

V01

3.62 ± 0.04b

1.07 ± 0.01e

33.59 ± 0.74e

2.02 ± 0.03b

3.91 ± 0.10e

1.10 ± 0.01f

32.85 ± 1.32e

1.86 ± 0.23f

V02

2.05 ± 0.02f

1.25 ± 0.02d

44.60 ± 0.44d

1.24 ± 0.01e

4.37 ± 0.47d

2.39 ± 0.02c

56.78 ± 1.62b

4.06 ± 0.10a

V03

3.73 ± 0.01b

1.35 ± 0.01c

52.73 ± 0.16d

1.14 ± 0.03f

4.21 ± 0.08d

2.54 ± 0.06b

58.29 ± 0.81b

2.93 ± 0.08c

V04

6.03 ± 0.38a

2.23 ± 0.34a

83.94 ± 0.84a

3.38 ± 0.09a

6.24 ± 0.03b

3.87 ± 0.04a

54.74 ± 0.90b

2.03 ± 0.03e

V05

4.64 ± 0.13b

1.84 ± 0.03b

44.26 ± 0.54d

1.91 ± 0.01c

6.24 ± 0.20b

3.26 ± 0.02a

46.79 ± 1.50c

3.67 ± 0.11b

V06

2.65 ± 0.01c

1.04 ± 0.03e

38.01 ± 0.56e

1.90 ± 0.04c

3.65 ± 0.10f

1.37 ± 0.06e

51.14 ± 1.68b

2.30 ± 0.48d

V07

2.34 ± 0.02d

1.04 ± 0.02e

34.26 ± 0.54e

1.81 ± 0.08d

3.28 ± 0.14 g

1.27 ± 0.04e

46.70 ± 1.48c

1.81 ± 0.11f

V08

2.76 ± 0.09c

1.72 ± 0.13b

75.79 ± 1.45b

1.91 ± 0.01c

6.32 ± 0.06a

2.30 ± 0.03c

88.71 ± 1.04a

3.56 ± 0.07b

V09

2.21 ± 0.05e

1.12 ± 0.03e

47.52 ± 0.81d

1.93 ± 0.10c

3.72 ± 0.56f

1.38 ± 0.11e

51.86 ± 1.34b

2.47 ± 0.36d

V10

6.44 ± 0.06a

2.28 ± 0.04a

63.94 ± 1.18c

1.46 ± 0.05d

7.11 ± 0.47a

2.66 ± 0.08b

57.24 ± 1.30b

2.44 ± 0.10d

V11

1.41 ± 0.10 g

1.09 ± 0.02e

33.41 ± 1.08e

3.10 ± 0.16a

2.41 ± 0.09 g

0.96 ± 0.09 g

34.81 ± 1.34d

1.29 ± 0.29 g

V12

6.01 ± 0.31a

0.78 ± 0.07f

40.13 ± 0.73d

1.41 ± 0.04d

5.90 ± 0.14c

1.07 ± 0.32f

36.61 ± 0.56d

1.04 ± 0.37 h

V13

2.20 ± 0.10e

1.24 ± 0.06c

29.64 ± 0.55e

1.53 ± 0.05d

2.12 ± 0.14 g

1.84 ± 0.02d

29.21 ± 0.24f

1.17 ± 0.15 g