Fig. 1From: The Populus alba cationic cell-wall-bound peroxidase (CWPO-C) regulates plant growth, lignin content and composition in poplarCWPO-C promoter analyses in poplar using GUS reporter gene. a Whole 6-week-old plant. b1 Longitudinal section of shoot tip, b2 Longitudinal section of shoot apex. c1 Cross section of axillary bud, c2 Cross section of axillary meristem. d1 and d2 Cross section of developing xylem in the middle stemBack to article page