Stress- and hormone-responsive luciferase activity in line L0213. Three-week-old plants were transferred to media supplemented by following additives: 250 mm NaCl, 1 mm CdCl2, 400 mm Glc, 400 mm mannitol, 8 mm hydrogen peroxide (H2O2), 50 μm ABA, 1 μm 2,4-dichlorophenoxyacetic acid (2,4-D), and 1 μm salicylic acid. Luminescence was recorded in multiple time points and is shown here after 0, 3, and 9 h of treatments.