Table 4.
Effect of different treatment proline metabolic enzymes of maize under control and drought (D) conditions. Different letters indicate statistically significant difference between means for the different treatments at significance level of at least p ≤ 0.05.
| Proline | P5CS | P5CR | OAT | PRODH | |
|---|---|---|---|---|---|
| C | 2.23 ± 0.06 c | 2.73 ± 0.04 b | 0.41 ± 0.01 b | 3.56 ± 0.06 d | 5.42 ± 0.09 c |
| Com | 2.43 ± 0.11 c | 2.73 ± 0.02 b | 0.41 ± 0.02 b | 3.54 ± 0.03 d | 5.47 ± 0.04 c |
| AMF | 2.92 ± 0.14 c | 2.88 ± 0.12 b | 0.43 ± 0.02 b | 3.77 ± 0.16 d | 5.74 ± 0.23 c |
| CNPs | 2.98 ± 0.12 c | 2.39 ± 0.01 b | 0.26 ± 0.01 c | 2.72 ± 0.01 d | 4.05 ± 0.02 d |
| Com-AMF | 2.25 ± 0.1 c | 2.25 ± 0.02 c | 0.39 ± 0.02 b | 3.58 ± 0.02 d | 5.52 ± 0.04 c |
| Com-CNPs | 2.26 ± 0.1 c | 2.57 ± 0.03 b | 0.43 ± 0.02 b | 4.13 ± 0.04 c | 5.99 ± 0.06 c |
| AMF-CNPs | 2.69 ± 0.12 c | 2.23 ± 0.02 c | 0.44 ± 0.02 b | 4.12 ± 0.03 c | 6.33 ± 0.05 c |
| Com-AMF-CNPs | 2.72 ± 0.16 c | 2.48 ± 0.05 b | 0.37 ± 0.02 b | 3.52 ± 0.08 d | 4.84 ± 0.1 c |
| D | 5.15 ± 0.12 a | 3.64 ± 0.07 b | 0.45 ± 0.01 b | 4.05 ± 0.08 c | 5.52 ± 0.1 c |
| D-Com | 5.15 ± 0.11 a | 3.37 ± 0.11 b | 0.48 ± 0.01 b | 4.47 ± 0.15 c | 6.25 ± 0.21 c |
| D-AMF | 6.01 ± 0.27 a | 3.86 ± 0.03 b | 0.44 ± 0.02 b | 4.13 ± 0.04 c | 5.28 ± 0.05 c |
| D-CNPs | 5.01 ± 0.04 b | 3.66 ± 0.15 b | 0.57 ± 0.01 b | 5.92 ± 0.44 c | 8.47 ± 0.64 b |
| D-Com-AMF | 6.74 ± 0.14 a | 4.72 ± 0.1 a | 0.81 ± 0.02 a | 9.27 ± 0.19 a | 13.3 ± 0.27 a |
| D-Com-AMF-CNPs | 7.04 ± 0.23 a | 5.77 ± 0.02 a | 0.85 ± 0.03 a | 7.5 ± 0.03 b | 10.86 ± 0.05 b |