Tree growth
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Tree Growth PowerPoint PPT Presentation


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Tree Growth. Dendrology - study of trees Dendrochronology - study of tree rings. Tree Cross Section. Outer Bark : Protection, insulation. Inner Bark : “phloem”, carries food short lived - becomes bark/cork. Cambium Layer : cell division, annual ring added.

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Tree Growth

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Tree Growth

  • Dendrology-study of trees

  • Dendrochronology-study of tree rings


Tree Cross Section


Outer Bark: Protection, insulation

Inner Bark: “phloem”, carries food short lived - becomes bark/cork

Cambium Layer : cell division, annual ring added

Sapwood: “new wood”, carries water (xylem)

Heartwood: strength, support


Spring Cells

This tree is 50 years old!

Summer Cells


Diameter Tape

Measured at DBH - 4.5‘)


Increment Borer

Core sample


Twig Diagram

primary growth - growth upward

secondary growth - outward growth


Terms To Know

BarkPrimary GrowthGravitropism

Heartwood Secondary GrowthAuxins

Sapwood Bundle Scar/Leaf ScarCytokinins

Cambium Increment Borer Annual Ring

Pith Diameter Tape

XylemDBH

PhloemDendrology

Terminal BudDendrochronology

Lateral BudPruning

LenticelGrafting

Bud Scale ScarPhototropism


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