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