Fig. 3From: Comparative transcriptome analysis reveals ecological adaption of cold tolerance in northward invasion of Alternanthera philoxeroidesChl fluorescence imaging and Fv/Fm ratios of HK and JN plants after freezing stress. a. Chl fluorescence imaging of HK and JN plants after freezing stress (bar = 2 cm). b. Fv/Fm ratios of HK and JN plants after freezing stressBack to article page