Figure 4.
Genetic interactions between shl-1 and shl2-2, and the photoreceptor mutants phyA-211, phyB-9, and cry1-B36. Hypocotyls were measured in seedlings grown for 7 d in R (64.4 μmol m−2 s−1), FR (7.8 μmol m−2 s−1), and B (2.78 μmol m−2 s−1). These intensities were selected to provide effective phenotypic discrimination between WT and photoreceptor mutants. N.D., Not determined. Error bars = sd.