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Fig. 5 | Biological Research

Fig. 5

From: The antioxidative defense system is involved in the premature senescence in transgenic tobacco (Nicotiana tabacum NC89)

Fig. 5

H2O2 levels and production rate of O ·−2 in WT and transgenic plants. Data are expressed as the mean ± SE (n = 5, five biological replicates per lines). Different letters indicate statistically significant differences at P ≤ 0.05. a represents the content of H2O2. b indicates production rate of oxygen free radical. c shows histochemical staining of H2O2 and O ·−2

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