pruning 101

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Pruning 101 Pruning 101 Ann Koenig Ann Koenig Missouri Department of Missouri Department of Conservation Conservation

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Tree pruning presentation designed for the general public.

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Page 1: Pruning 101

Pruning Pruning 101101Ann KoenigAnn Koenig

Missouri Department of Missouri Department of ConservationConservation

Page 2: Pruning 101

General Tree BiologyGeneral Tree Biology

Trees grow from branch tips, not base.Trees grow from branch tips, not base.

Page 3: Pruning 101

General Tree BiologyGeneral Tree Biology

Trees grow from Trees grow from branch tips, not base.branch tips, not base.

Branch unions can Branch unions can form callus tissue.form callus tissue.

Page 4: Pruning 101

General Tree BiologyGeneral Tree Biology

Trees grow from branch tips, not base.Trees grow from branch tips, not base. Branch unions can form callus tissue.Branch unions can form callus tissue. Wounds cover, not heal.Wounds cover, not heal.

Page 5: Pruning 101

General Tree BiologyGeneral Tree Biology

A tree can only A tree can only

““seal”seal”

itself through itself through

a process called a process called

compartmentalization.compartmentalization.

Page 6: Pruning 101

General Tree BiologyGeneral Tree Biology

Trees grow from branch tips, not base.Trees grow from branch tips, not base. Branch unions can form callus tissue.Branch unions can form callus tissue. Wounds cover, not heal.Wounds cover, not heal. Right tree in the right place may need Right tree in the right place may need

little to no pruning once established.little to no pruning once established.

Page 7: Pruning 101
Page 8: Pruning 101

Pruning Young TreesPruning Young TreesRemove branches when young so wounds Remove branches when young so wounds

are small and growth goes into future are small and growth goes into future limbs. Remove:limbs. Remove:

Dead, dying limbsDead, dying limbs Sprouts near baseSprouts near base Crossed branches, branches going throughCrossed branches, branches going through

centercenter Low branchesLow branches Multiple leadersMultiple leaders Narrow unions with included barkNarrow unions with included bark

Page 9: Pruning 101

Inside View of Included BarkInside View of Included Bark

Included bark is Included bark is shown by the shown by the pencil.pencil.

Branches with Branches with included bark included bark should be removed should be removed while the tree is while the tree is young.young.

Page 10: Pruning 101

Narrow unionsNarrow unions

Page 11: Pruning 101

Included Included bark bark

between the between the branch/trunk branch/trunk union.  Note union.  Note the seam or the seam or

"crack" "crack" between the between the

two. two. 

Page 12: Pruning 101
Page 13: Pruning 101

Where to make the Where to make the cutcut

Page 14: Pruning 101
Page 15: Pruning 101

Large limb removalLarge limb removalThe 3 cut methodThe 3 cut method

Page 16: Pruning 101

The undercut did its job!The undercut did its job!

Page 17: Pruning 101

Rule of ThirdsRule of Thirds When pruning a branch, try to bring it back to a When pruning a branch, try to bring it back to a

limb at least 1/3 the diameter of the limb being limb at least 1/3 the diameter of the limb being removed.removed.

Page 18: Pruning 101
Page 19: Pruning 101

Top 10 Worst Pruning Top 10 Worst Pruning PracticesPractices

10.10. Neglecting a young treeNeglecting a young tree

11.11. Dressing woundsDressing wounds

12.12. Filling cavitiesFilling cavities

13.13. Flush cuttingFlush cutting

14.14. Leaving stubsLeaving stubs

15.15. Ignoring included barkIgnoring included bark

16.16. Using wrong tools Using wrong tools

for the jobfor the job

3.3. Over pruningOver pruning

4.4. Not being safeNot being safe

Page 20: Pruning 101

#1 Worst Pruning Practice#1 Worst Pruning Practice

Topping!!!

Page 21: Pruning 101
Page 22: Pruning 101

Why not top trees?Why not top trees?

Injures tree leading Injures tree leading to decayto decay

Resulting shoots are Resulting shoots are weakly attached and weakly attached and easily breakeasily break

Wastes moneyWastes money Creates hazardCreates hazard

Page 23: Pruning 101
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Test TimeTest Time

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Ann KoenigUrban Forester

Missouri Department of Conservation

1907 Hillcrest DriveColumbia, MO 65201

(573) [email protected]