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Tree Growth Dendrology - study of trees Dendrochronology - study of tree rings.

Published byGyles Rodgers Modified over 9 years ago

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Presentation on theme: "Tree Growth Dendrology - study of trees Dendrochronology - study of tree rings."— Presentation transcript:

1 Tree Growth Dendrology - study of trees Dendrochronology - study of tree rings

2 Tree Cross Section

3 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

4

5 Spring Cells Summer Cells This tree is 50 years old!

6

7 Diameter Tape Measured at DBH - 4.5‘)

8 Increment Borer Core sample

9 Twig Diagram primary growth - growth upward secondary growth - outward growth

10

11 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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