Fig. 3From: The effect of UV-B on Arabidopsis leaves depends on light conditions after treatmentPhotographs of detached A. thaliana leaves with one half covered with black paper, and another half irradiated with UV-B (8 W·m−2) for 5 min and left in darkness (a and b) or under constant illumination (100 μmol·m−2 ·s−1 of white light, c) for the indicated time. The leaves were taken from plants dark-adapted overnight (a), or from plants kept in a growth chamber for 2 h after the dawn (b and c)Back to article page