When Hugging Trees is Not Enough
-
Upload
public-mntca -
Category
Documents
-
view
223 -
download
0
description
Transcript of When Hugging Trees is Not Enough
![Page 1: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/1.jpg)
When Hugging Trees is Not
Enough
Tree Care Advisor Core Course Training 2012
Making Tree Health and Condition Decisions
![Page 2: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/2.jpg)
Three (completely arbitrary) Perspectives
1. Look Good, but Dangerous.
2. With the Right Amount of Chemicals…They
Might Be Okay.
3. Too Big or Too Small
Photo by Nancy Rose
![Page 3: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/3.jpg)
One Example of Decision-Making
Saving the Tree/Trees is Critical
Historically Significant
Majority of Canopy Cover
Tree/Trees not Critical
One Tree of Many
Use of Area Has Changed
Tree Was a Volunteer
![Page 4: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/4.jpg)
The Tree/Trees Critical to the Landscape
VS
This
This?
![Page 5: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/5.jpg)
One Example of Decision-Making
The Problem May Be Safety (Risk Related)
Correctable Long-Term Correctable
Short-Term Only Correctable
Not Correctable
The Problem May Be Health
Manageable Culturally Correctable
Chemically Dependent
Not Manageable
![Page 6: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/6.jpg)
Safety Versus Health Issues
Safety, or….
Health?
![Page 7: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/7.jpg)
I. Good-Looking, but Is It Dangerous?
![Page 8: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/8.jpg)
Danger Categories
Got Off to a Bad Start
Damaged by Construction
Weakened by Decay
![Page 9: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/9.jpg)
Got Off to a Bad Start
Poor Architecture
Propagation/Production Issues
![Page 10: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/10.jpg)
DED Resistant Elms: Aggressive Growth
![Page 11: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/11.jpg)
Aggressive Elms
![Page 12: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/12.jpg)
Poor Architecture: DED Resistant Elms
![Page 13: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/13.jpg)
Elms in Production: Prune 2-3 Times Per
Season
![Page 14: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/14.jpg)
Bad Forms Catch Up: Removal is Only
Option
![Page 15: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/15.jpg)
Bad Forms Catch Up
Correct Now, or… Remove Tree Later
![Page 16: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/16.jpg)
Decision-Making on Weak Attachments
Remove the Attachment (young trees)
![Page 17: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/17.jpg)
Removal Delayed: Larger Wounds
![Page 18: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/18.jpg)
Waited Too Long: Not Correctable
![Page 19: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/19.jpg)
When it is Too Late to Correct
![Page 20: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/20.jpg)
Is It Too Late?
![Page 21: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/21.jpg)
A Chance to Save Them: Pruning and
Cabling
![Page 22: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/22.jpg)
Propagation/Production Issues
![Page 23: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/23.jpg)
Stem Girdling Roots
Some Begin Here
![Page 24: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/24.jpg)
Stem Girdling Roots
Some Begin Here
![Page 25: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/25.jpg)
The Consequences of Burying Trees
Stem Girdling Roots
![Page 26: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/26.jpg)
SGRs Correctable at This Stage
Exposure of Problem
![Page 27: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/27.jpg)
SGRs Correctable at This Stage
Correction of Problem
![Page 28: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/28.jpg)
Stem Girdling Roots: Not Correctable
Symptoms Too Advanced
![Page 29: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/29.jpg)
SGR Problem Not Correctable
![Page 30: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/30.jpg)
SGR Problem Not Correctable: >50% of
Stem Circumference Compressed
![Page 31: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/31.jpg)
Stem Girdling Roots: Correctable?
Hackberry
![Page 32: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/32.jpg)
Stem Girdling Roots: Problem Corrected?
![Page 33: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/33.jpg)
Correcting Root Depth Issues
Photo: E. Berg
![Page 34: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/34.jpg)
Depth Problem: Too Late?
Green Ash
![Page 35: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/35.jpg)
Depth Problem Corrected – 7 yrs. Later
![Page 36: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/36.jpg)
Depth Problem Corrected – 7 yrs. Later
Ohio Buckeye
![Page 37: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/37.jpg)
Depth Problem Corrected? Autumn Blaze
Maple, 4 yrs. Later
![Page 38: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/38.jpg)
Autumn Blaze Maple, 4 yrs. After
Correction
![Page 39: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/39.jpg)
Damaged by Construction
Define the Damage
Evaluate the Species
Evaluate the Health
![Page 40: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/40.jpg)
Step One: Define the Damage
Stem Wounds, Broken Branches
Root Loss
Soil Disturbance
Microclimate Disturbance
Disease and/or Insect Problems
![Page 41: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/41.jpg)
Wounding, Broken Branches Least of the Problems – Inciting Events
Generally Easy to Treat
Long-Term Effects Negligible
![Page 42: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/42.jpg)
Trunk & Buttress Roots Wounds? Bigger
Issues.
![Page 43: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/43.jpg)
Photos by D. Fallon
Trunk & Buttress Roots Wounds?
![Page 44: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/44.jpg)
Is the Problem Stem Wounds and Broken
Branches?
Photo by Ken Arndt
![Page 45: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/45.jpg)
Root Loss
Direct Root Loss
Indirect Root Loss
Water and Oxygen Restriction
Soil Microflora Altered
Soil Chemistry Altered
Root Growth Restricted
Rhizosphere Temperature Extremes
![Page 46: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/46.jpg)
Direct Root Loss: On the Streets
This Caterpillar is
Much Worse than
Gypsy Moths!
![Page 47: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/47.jpg)
![Page 48: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/48.jpg)
Direct Root Loss
![Page 49: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/49.jpg)
Direct Root Loss
Healthy Trees Often Recover From 1-Sided Root Loss
![Page 50: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/50.jpg)
Direct Root Loss
2-Sided Root Loss is More Serious
![Page 51: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/51.jpg)
Direct Root Loss
Oooooh, 3-Sided Root Loss? Do You Want the Tree to Live?
![Page 52: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/52.jpg)
Direct Root Loss
4-Sided Root Loss? I’m Not Parking Here!!!
![Page 53: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/53.jpg)
Direct Root Loss – One Sided
Trees Were Healthy, but Unstable
Photo Eric Berg
![Page 54: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/54.jpg)
Photo: J. Ryg
![Page 55: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/55.jpg)
Can It Get Worse?
![Page 56: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/56.jpg)
![Page 57: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/57.jpg)
Direct Root Loss
Even Green Ash
Has Its Limits
![Page 58: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/58.jpg)
Indirect Root Loss: Water and
Oxygen Restriction
Photo by B. Johnson
![Page 59: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/59.jpg)
Typical Tree Reaction: Defensive Die-
Back and Clumped Growth. Remove.
Photo: R. Kennedy
![Page 60: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/60.jpg)
Identify the Species: Tolerance Dependent
on Type of Damage
“Tolerant” Species
Bur Oak
Silver Maple
Elms
Tamarack
Crabapples
Birches
Hackberry
“Intolerant” Species
White Oak
Sugar Maple
White Pine
Douglas-fir
Ironwood
Hemlock
Hickories
![Page 61: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/61.jpg)
Evaluate Health
Younger Trees Better
Groups of Trees Better
Starch Test Before
Water Management
![Page 62: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/62.jpg)
Monitoring: Aerial Photography CIR
September,
1997
![Page 63: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/63.jpg)
Monitoring: Aerial Photography CIR
September,
1999
![Page 64: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/64.jpg)
II. With the Right Amount of Chemicals,
They Might be Okay
Chemicals for Health
Chemicals as Preventatives
Chemicals as Lifelines
![Page 65: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/65.jpg)
Chemicals for Health: Grandfather Oak:
Paclobutrazol, Root Stimulants, O.M.
Species: Bur Oak
(Quercus
macrocarpa)
Size: 27" diameter
Crown diameter: 45
feet
Estimated age: 150
years
Estimated life
span: 250 to 350
years
Tree Health:
Excellent (based on
consultant's tests)
![Page 66: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/66.jpg)
Environmental Liabilities: Remove
Poor Condition – Small Canopies
![Page 67: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/67.jpg)
Environmental Liabilities: Decision? It’s a
Bur Oak.
Solitary, Poor Health, Poor Condition
![Page 68: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/68.jpg)
Environmental Liabilities: Decision?
Solitary, Poor Health, Poor Condition
![Page 69: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/69.jpg)
Environmental Liabilities: Decision?
Solitary, Limited Site Potential and Small
![Page 70: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/70.jpg)
Environmental Liabilities: Decision?
High Maintenance Tree – High Risk Potential
![Page 71: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/71.jpg)
All Oaks (white and bur) in Oak Wilt
Area: Preventative Treatment or Not?
![Page 72: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/72.jpg)
Impacts of Emerald Ash Borer
David Cappaert, , www.forestryimages.org David Cappaert, , www.forestryimages.org
![Page 73: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/73.jpg)
75% Ash Neighborhood: Preventative
Chemicals? Lifeline Chemicals?
What’s that doing
Here?
![Page 74: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/74.jpg)
![Page 75: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/75.jpg)
![Page 76: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/76.jpg)
Too Big or Too Small
Infrastructure Conflicts (Risk issue)
Inadequate Space (Risk & Health issue)
![Page 77: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/77.jpg)
Infrastructure Conflicts: Remove/Keep?
Photos: D. Hanson
![Page 78: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/78.jpg)
Infrastructure Conflicts: Remove/Keep?
Photos: Jacob Ryg
![Page 79: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/79.jpg)
Infrastructure Conflicts: Remove/Keep?
Photo: T. Teynor
![Page 80: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/80.jpg)
Infrastructure Conflicts: Remove/Keep?
Photo: D. Hanson
![Page 81: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/81.jpg)
Not Enough Space: Urban “Core” Trees
7-10 Year Lifespan?
![Page 82: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/82.jpg)
Save or Retain Trees: Bicolor Oak on Left,
Black Ash on Right?
![Page 83: When Hugging Trees is Not Enough](https://reader030.fdocuments.net/reader030/viewer/2022020220/568c33e41a28ab02358e6bfe/html5/thumbnails/83.jpg)
Knowing Failure is Likely, Retain or
Remove Planting to the Right?