Primary Growth

1
Primary Growth Ch. 25 (pp. 547-558)
2
Primary Growth ? increase in length/height axial
Secondary Growth ? increase in girth radial
3
(No Transcript)
4
Cells divide grow differentiate
zone of differentiation
zone of elongation
zone of cell division
apical meristem
Protoderm Procambium Ground meristem
root cap (sloughing cells and mucigel)
5
Plant Tissue Types
Meristematic Ground Vascular Dermal
Photo Credits D.J. Leopold
6
Primary Growth -apical meristem -primary
meristems -procambium -ground
meristem -protoderm
Photo Credits D.J. Leopold
7
Differentiation of procambial cells
8
Stem Primary Tissue Types (X-section)
9
Vascular tissue arrangements dicots vs.
monocots
Photo Credits D.J. Leopold