Beryllium Stress-Induced Modifications in Antioxidant Machinery and Plant Ultrastructure in the Seedlings of Black and Yellow Seeded Oilseed Rape
Table 3
Effects of different concentrations of beryllium (Be) on hydroxyl ion (-OH) [μmol g−1 (f.m.)], hydrogen peroxide (H2O2) [μmol g−1 (f.m.)], and malondialdehyde (MDA) [nmol mg−1 (protein)] contents in leaves and roots of 6-day-old seedlings of two Brassica napus cultivars.
Cultivar
Be conc. μM
OH- content
H2O2 content
MDA content
Leaf
Root
Leaf
Root
Leaf
Root
ZS 758
0
0.14 ± 0.002
0.103 ± 0.001
1.65 ± 0.02
1.33 ± 0.02
8.49 ± 1.24
7.58 ± 1.20
100
0.15 ± 0.003
0.105 ± 0.001
1.78 ± 0.02
1.43 ± 0.02
10.61 ± 1.17
9.24 ± 1.28
200
0.18 ± 0.003
0.113 ± 0.015
1.99 ± 0.02
1.62 ± 0.02
14.59 ± 2.13
13.43 ± 2.13
400
0.22 ± 0.004
0.193 ± 0.015
2.33 ± 0.03
1.82 ± 0.03
21.69 ± 2.95
17.59 ± 1.73
Zheda 622
0
0.14 ± 0.002
0.099 ± 0.001
1.68 ± 0.02
1.29 ± 0.02
7.80 ± 0.98
7.62 ± 1.40
100
0.17 ± 0.004
0.104 ± 0.002
1.85 ± 0.02
1.49 ± 0.02
9.13 ± 1.80
12.45 ± 1.00
200
0.21 ± 0.003
0.114 ± 0.002
2.09 ± 0.02
1.69 ± 0.04
13.43 ± 1.92
16.34 ± 1.89
400
0.25 ± 0.004
0.260 ± 0.02
2.56 ± 0.03
1.98 ± 0.03
19.77 ± 1.90
24.51 ± 1.85
Means ± SD, . Values followed by different letters within a column are significantly different by Duncan’s multiple range test ().
