Fig. 9
ROS (H2O2and O2−) accumulation in WT and transgenic tomato plants exposed to cold stress.aH2O2levels.bO2−content. Uniformly sized 6-week-old tomato plants were subjected to a 5-day cold stress exposure at 4 °C. Leaves that were the second and third from the top were assessed. Data are the means and SDs from triplicate samples. *P < 0.05 and **P < 0.01