Fig. 1
From: Transcriptomic and physiological analysis of common duckweed Lemna minor responses to NH4 + toxicity
Phenotypic and physiological responses of Lemna minor in NC, A84 and A840. a-c, the appearance of L. minor in NC, A84 and A840, respectively, red arrows showed the greensick fronds, scale bar 5 mm; d Histochemically staining of cell death, O2 − and H2O2 by Evans blue, nitroblue tetrazolium (NBT) and 3,3′-diaminobenzidine (DAB), respectively; e relative growth rate (RGR) based on fronds number; f MDA contents; g-j, enzyme activity of catalase (CAT), superoxide dismutase (SOD), peroxidase (POD) and ascorbate peroxidase (APX), respectively