Table 3. Antioxidant concentrations and enzyme activities in chronically irradiated Scots pine populations.
Experimental site | Dose rate, mGy∙yr−1 | Concentrations, mM |
Enzyme activities, IU |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
GSH | GSSG | AsA | GSH/GSSG | MDA | SOD | CAT | POD | G6PD | MDH | LAP | ||
RefRF | 0.02 | 0.039 ± 0.011 | 0.018 ± 0.003 | 0.131 ± 0.025 | 2.299 ± 0.662 | 1.286 ± 0.328 | 0.007 ± 0.006 | 0.053 ± 0.017 | 0.409 ± 0.038 | 0.051 ± 0.025 | 0.097 ± 0.030 | 0.017 ± 0.017 |
Ref1RF | 0.23 | 0.032 ± 0.006 | 0.028 ± 0.004 | 0.133 ± 0.013 | 1.357 ± 0.225 | 1.232 ± 0.229 | — | — | — | 0.062 ± 0.026 | 0.112 ± 0.032 | 0.030 ± 0.030 |
VIUARF | 10.0 | 0.050 ± 0.015 | 0.024 ± 0.004 | 0.141 ± 0.012 | 1.809 ± 0.455 | 2.091 ± 0.438 | 0.012 ± 0.008 | 0.093 ± 0.022 | 0.34 ± 0.035 | 0.061 ± 0.026 | 0.134 ± 0.035 | 0.017 ± 0.017 |
SBRF | 19.4 | 0.097*▲ ± 0.035 | 0.025 ± 0.005 | 0.151 ± 0.014 | 4.017▲▲ ± 0.748 | 2.143 ± 0.531 | 0.007 ± 0.007 | 0.115* ± 0.028 | 0.39 ± 0.043 | 0.051 ± 0.025 | 0.097 ± 0.030 | 0.021 ± 0.021 |
Z1RF | 33.1 | 0.035 ± 0.010 | 0.023 ± 0.002 | 0.125 ± 0.016 | 1.604 ± 0.682 | 1.301 ± 0.456 | 0.006 ± 0.006 | 0.080 ± 0.025 | 0.31* ± 0.042 | 0.083 ± 0.035 | 0.145 ± 0.036 | 0.032 ± 0.032 |
Z2RF | 38.6 | 0.050▲ ± 0.006 | 0.030* ± 0.004 | 0.145 ± 0.016 | 1.750 ± 0.181 | 1.154 ± 0.197 | 0.005 ± 0.005 | 0.100 ± 0.025 | 0.15*** ± 0.03 | 0.084 ± 0.039 | 0.084 ± 0.028 | 0.009 ± 0.009 |
KozhRB | 18.0 | 0.023 ± 0.004 | 0.022 ± 0.004 | 0.086▲▲ ± 0.008 | 1.003 ± 0.138 | 1.044 ± 0.132 | n/e | n/e | n/e | n/e | n/e | n/e |
MasRB | 50.9 | 0.061▲ ± 0.010 | 0.015▲ ± 0.002 | 0.205 ± 0.061 | 4.285▲▲ ± 0.900 | 2.000 ± 0.289 | n/e | n/e | n/e | n/e | n/e | n/e |
KulRB | 66.6 | 0.079*▲ ± 0.015 | 0.015▲ ± 0.002 | 0.107 ± 0.010 | 6.095*▲▲ ± 1.491 | 3.550***▲▲▲ ± 0.321 | n/e | n/e | n/e | n/e | n/e | n/e |
n/e – not evaluated; RFRussian Federation; RBRepublic of Belarus.
t-test revealed a significant difference with: *Ref site, p < 0.05; ***Ref site, p < 0.001; ▲Ref1 site, p < 0.05; ▲▲Ref1 site, p < 0.01; ▲▲▲Ref1 site, p < 0.001.