Fig. 6From: The Populus alba cationic cell-wall-bound peroxidase (CWPO-C) regulates plant growth, lignin content and composition in poplarCross sections of basal stem of CWPO-C transgenic poplar lines. a, c Toluidine blue staining. b, d Wiesner staining. a1, b1, c1, d1 WT. a2, b2, c2, d2 RNAi suppression line RNAi1. a3, b3, c3, d3 Overexpression line OE1. Sections (20 μm thick) were prepared from the basal stem of 6-week-old plants. Bar 100 μmBack to article page