Table 3 Mean comparison effect of irrigation with ZnO-NPs application interaction treatments on the studied traits of sugar beet cultivar Shokofa.

From: Investigating the effect of foliar spraying of zinc nanoparticles and biostimulants on modulating the effect of water deficit stress in sugar beet by using Integrated Biomarker Response Version 2

Irrigation

ZnO-NPs

Chlorophyll a (mg g/ FW)

Chlorophyll b (mg g/ FW)

Carotenoid (mg g /FW)

Proline (mg g/FW)

Beta-glycine (mg g/ FW)

stomatal conductance(mol m − 2 /s)

Abscisic acid (ppm)

Gibberellin (ppm)

Normal

Control

4.90 ± 0.02b

2.08 ± 0.01c

2.10 ± 0.012b

0.23 ± 0.001e

83.99 ± 0.180d

14.74 ± 0.039b

35.69 ± 0.056b

198.58 ± 0.445bc

2 g/L

5.29 ± 0.01a

2.99 ± 0.01a

2.55 ± 0.011a

0.24 ± 0.001e

88.47 ± 0.221c

15.72 ± 0.034a

26.98 ± 0.090d

211.44 ± 0.364a

4 g/L

4.35 ± 0.01c

2.53 ± 0.009b

2.02 ± 0.010b

0.28 ± 0.001d

88.94 ± 0.235c

15.99 ± 0.042a

31.37 ± 0.123c

195.62 ± 0.547c

Water deficit

Control

2.48 ± 0.01e

1.40 ± 0.01e

1.67 ± 0.005d

0.38 ± 0.001c

90.47 ± 0.244c

10.08 ± 0.039e

35.75 ± 0.118b

186.75 ± 0.258d

2 g/L

3.28 ± 0.02d

1.90 ± 0.01d

2.01 ± 0.11bc

0.41 ± 0.002b

98.24 ± 0.285b

11.09 ± 0.036d

40.13 ± 0.083a

185.70 ± 0.306d

4 g/L

2.69 ± 0.01e

1.72 ± 0.01d

1.83 ± 0.009 cd

0.45 ± 0.001a

102.42 ± 0.349a

13.46 ± 0.039c

31.58 ± 0.98c

203.74 ± 0.351b

Irrigation

ZnO-NPs

Auxin (ppm)

Cytokinin (ppm)

CAT (U mg/protein)

SOD (U mg/protein)

APX (mM mg/protein)

MAD (μM mg/FW)

Hydrogen peroxide (μM mg/FW)

Root yield (ton/ha)

Normal

Control

31.26 ± 0.106b

41.39 ± 0.123d

2.44 ± 0.010d

3.12 ± 0.012d

3.91 ± 0.020d

7.19 ± 0.016d

2.73 ± 0.009d

67.12 ± 0.167b

2 g/L

36.97 ± 0.120a

50.46 ± 0.077a

2.93 ± 0.007bc

3.90 ± 0.012b

5.02 ± 0.012b

6.93 ± 0.015d

2.62 ± 0.009d

74.55 ± 0.224a

4 g/L

35.79 ± 0.106a

47.44 ± 0.058b

2.69 ± 0.011 cd

3.43 ± 0.017c

4.62 ± 0.020c

7.05 ± 0.016d

2.68 ± 0.009d

66.65 ± 0.158b

Water deficit

Control

28.22 ± 0.119c

39.62 ± 0.089e

3.18 ± 0.0092ab

3.56 ± 0.013c

5.05 ± 0.016b

10.56 ± 0.079a

5.18 ± 0.024a

52.44 ± 0.144d

2 g/L

29.36 ± 0.117bc

42.19 ± 0.069d

3.25 ± 0.010a

4.51 ± 0.012a

5.16 ± 0.012ab

9.38 ± 0.052b

4.77 ± 0.027b

56.46 ± 0.162 cd

4 g/L

30.08 ± 0.087bc

44.80 ± 0.074c

3.43 ± 0.0091a

4.47 ± 0.013a

5.32 ± 0.017a

8.73 ± 0.045c

4.29 ± 0.018c

57.94 ± 0.190c

  1. Different superscript letters in the same column indicate significant differences (p < 0.05).