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Nitrobenzene, although widely used in industry, is a highly toxic environmental pollutant. To evaluate the toxicity of nitrobenzene to tobacco seedlings, seedlings were exposed to varying concentrations of nitrobenzene (0–100 mg/L) for 24 h. The contents of reactive oxygen species (hydrogen peroxide [H2O2] and superoxide anion [O]) and the activities of antioxidative enzymes (superoxide dismutase...
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