Fig. 1

Growth and development of different stem internodes. A Anatomy of stem internodes from developing Eucalyptus grandis GL1, Schematic showing the regions from the basal stem used for sections in IN3-4, IN5-6, IN9-10, which are Toluidine Blue-O-stained cross sections from stem internodes 3 to 9 of an actively growing young tree. Ca, vascular cambium; Fc, Fiber cell; Ve, Vessel elements. Bars = 100 μm. B Apical shoot internode growth of E. grandis GL1, elongation zone and change in internodes lengths along the developing stem of the 30 trees sampled