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Tree pruning presentation designed for the general public.
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Pruning Pruning 101101Ann KoenigAnn Koenig
Missouri Department of Missouri Department of ConservationConservation
General Tree BiologyGeneral Tree Biology
Trees grow from branch tips, not base.Trees grow from branch tips, not base.
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.
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.
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.
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.
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
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.
Narrow unionsNarrow unions
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.
Where to make the Where to make the cutcut
Large limb removalLarge limb removalThe 3 cut methodThe 3 cut method
The undercut did its job!The undercut did its job!
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.
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
#1 Worst Pruning Practice#1 Worst Pruning Practice
Topping!!!
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
Test TimeTest Time
Ann KoenigUrban Forester
Missouri Department of Conservation
1907 Hillcrest DriveColumbia, MO 65201
(573) 884-6861Ann.Koenig@mdc.mo.gov
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