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

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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. - PowerPoint PPT Presentation

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  • Tree GrowthDendrology - study of treesDendrochronology - study of tree rings

  • Tree Cross Section

  • Outer Bark: Protection, insulation

    Inner Bark: phloem, carries food short lived - becomes bark/corkCambium Layer : cell division, annual ring addedSapwood: new wood, carries water (xylem)

    Heartwood: strength, support

  • Spring CellsSummer CellsThis tree is 50 years old!

  • Diameter TapeMeasured at DBH - 4.5)

  • Increment BorerCore sample

  • Twig Diagramprimary growth - growth upwardsecondary growth - outward growth

  • Terms To KnowBarkPrimary GrowthGravitropismHeartwood Secondary GrowthAuxinsSapwood Bundle Scar/Leaf ScarCytokininsCambium Increment Borer Annual RingPith Diameter TapeXylemDBHPhloemDendrologyTerminal BudDendrochronologyLateral BudPruningLenticelGraftingBud Scale ScarPhototropism


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