Table I. Details of in situ dye injections into the phloem tissue of E. saligna tree stems during two different time intervals

Distance data are means and (sd).

Time of InjectionNo. of TreesTotal InjectionsSample SpecimensaNo. of Rays Containing Fluorescein MeasuredDistance of Fluorescein Spread from the Phloem-Cambium Boundary
µm
Morning612949447.1 (188.4)
Evening612844155.1 (42.0)
  • a Number of sample specimens of intact bark-phloem-cambium-sapwood sequences at the point of injection used for image analysis.