Table 3.
Effect of salinity stress on CAT, POD, APX, and GPX in maize seedlings at different day intervals of stress treatments. Each value of data represents the mean of five replications (n = 5). Values within a column with different letters are significant at p ≤ 0.05. Details are given in Table 1.
Source of Variation | SOD | CAT | POD | APX | GPX |
---|---|---|---|---|---|
Treatment | |||||
Control (C) | 73.66c | 43.78c | 0.591d | 0.698c | 76.74a |
Day 3 (3 d) | 82.91b | 46.75b | 0.729b | 0.781b | 57.65c |
Day 6 (6 d) | 93.82a | 51.34a | 0.889a | 0.864a | 81.20a |
Day 9 (9 d) | 85.56b | 39.26d | 0.669c | 0.739bc | 58.18c |
Recovery (R) | 83.57b | 40.54d | 0.690bc | 0.778b | 63.02b |
SE | 2.06 | 1.44 | 0.025 | 0.026 | 2.25 |
F ratio (df = 4, 80) | 24.42 | 23.01 | 39.38 | 11.2 | 47.2 |
Genotype | |||||
BIL214 × BIL218 | 82.84b | 44.02b | 0.758b | 0.802a | 60.73c |
BHM-5 | 80.84b | 31.29c | 0.641c | 0.726b | 67.33b |
BHM-7 | 82.13b | 55.83a | 0.805a | 0.827a | 65.07b |
BHM-9 | 89.81a | 46.20b | 0.650c | 0.733b | 76.30a |
SE | 1.84 | 1.29 | 0.022 | 0.023 | 2.01 |
F ratio (df = 3, 80) | 9.53 | 122.9 | 26.47 | 9.17 | 21.3 |
Interaction | |||||
C × BIL214 × BIL218 | 71.78gh | 30.66fg | 0.424g | 0.718e-h | 77.0c-e |
C × BHM-5 | 74.67gh | 42.12e | 0.536f | 0.672gh | 71.34ef |
C × BHM-7 | 70.69h | 53.68c | 0.787c | 0.731e-h | 84.66a-c |
C × BHM-9 | 77.50f-h | 48.68cd | 0.619ef | 0.670gh | 73.97d-f |
3 d × BIL214 × BIL218 | 83.92c-f | 60.61b | 0.819bc | 0.953a | 57.95g-i |
3 d × BHM-5 | 79.34e-g | 32.33f | 0.583ef | 0.702f-h | 57.35g-i |
3 d × BHM-7 | 77.68f-h | 48.68cd | 0.893ab | 0.776c-f | 41.33k |
3 d × BHM-9 | 90.69a-c | 45.39de | 0.622ef | 0.694f-h | 73.99d-f |
6 d × BIL214 × BIL218 | 91.33a-c | 49.57cd | 0.893ab | 0.930a | 66.26fg |
6 d × BHM-5 | 93.97ab | 25.95g | 0.926a | 0.816b-e | 86.33ab |
6 d × BHM-7 | 91.67a-c | 61.56b | 0.937a | 0.891ab | 91.67a |
6 d × BHM-9 | 98.31a | 68.29a | 0.799bc | 0.820b-e | 80.54b-d |
9 d × BIL214 × BIL218 | 87.82b-d | 46.95de | 0.846a-c | 0.651h | 49.71i-k |
9 d × BHM-5 | 79.90d-g | 12.07h | 0.613ef | 0.677f-h | 59.33gh |
9 d × BHM-7 | 86.91b-e | 65.67ab | 0.656de | 0.861a-d | 45.33jk |
9 d × BHM-9 | 87.63b-d | 32.34f | 0.560ef | 0.766d-g | 78.33b-e |
R × BIL214 × BIL218 | 79.34e-g | 32.31f | 0.807bc | 0.756e-g | 52.73h-j |
R × BHM-5 | 76.33f-h | 43.98de | 0.547f | 0.764d-g | 62.32g |
R × BHM-7 | 83.69c-f | 49.56cd | 0.753cd | 0.876a-c | 62.34g |
R × BHM-9 | 94.92ab | 36.33f | 0.652e | 0.717e-h | 74.68d-f |
SE | 4.12 | 2.88 | 0.050 | 0.052 | 4.50 |
F ratio (df = 12, 80) | 1.88 | 38.9 | 9.32 | 3.62 | 10.2 |