1. Protective effects of elevated CO2 against O3 damage will be primarily due to lower O3 flux under combined treatment. 2. Elevated CO2 will enhance antioxidative system to prevent the action of ROS produced by ambient and elevated O3.
1. Protective effects of elevated CO2 against O3 damage will beprimarily due to lower O3 flux under combined treatment.2. Elevated CO2 will enhance antioxidative system to prevent theaction of ROS produced by ambient and elevated O3.