Fig. 2From: The antioxidative defense system is involved in the premature senescence in transgenic tobacco (Nicotiana tabacum NC89)Phenotypic variation of wild-type (WT) and transgenic plants at different developmental stages. A Variation in the height of WT and transgenic plants at different developmental stages, each line is the mean of five replicates. Different letters indicate statistically significant differences at P ≤ 0.05, B eight-leaf period, and C filling periodBack to article page