Figure 6From: Transcriptional responses to polycyclic aromatic hydrocarbon-induced stress in Arabidopsis thalianareveal the involvement of hormone and defense signaling pathways Root lengths of ethylene mutants treated with phenanthrene. Root length of 4-day old Arabidopsis seedlings grown in absence or presence of phenanthrene in the dark. For further explanations, see Figure 5 legend.Back to article page