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. 2024 Feb 26;10(5):e26920. doi: 10.1016/j.heliyon.2024.e26920

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