Fig. 1.

Col-0, pad2-1 and vtc2-1 during drought stress. Representative images of plants from Arabidopsis thaliana Col-0 (first row), and the mutants pad2-1 (second row) and vtc2-1 (third row) grown under drought stress conditions for 10 days. First signs of drought induced changes could be found 7 days after the stop of irrigation when older leaves showed light chlorosis. Ten days after the stop of irrigation older leaves showed strong wilting, chlorosis and necrosis whereas younger leaves did not show any visible signs of drought stress. Bar = 1 cm.