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29 Cards in this Set
- Front
- Back
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How many limbs should be removed yearly when pruning a mature tree |
1 to 2 per year |
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What kind of cut maintains a mature tree |
Heading |
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What relationship does pruning alter in a mature tree |
Balance between root system and tree top |
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What is the goal of limb spreading |
To develop limb orientation @ 60° from vertical To develop strong wide crotch angles of 35° or wider |
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Describe the natural target pruning method |
The method of pruning using the correct anatomical location beyond the branch collar or shoulder |
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What is a good guide for size when removing branches |
Under 2 inches...go ahead Between 2 and for inches....think twice Greater....haveva good reason |
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Examples of harmful practices |
Topping Tipping Bark ripping Flush cutting Stub cutting |
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What is the best time of year to prune |
Early spring....growth after pruning is maximized if done before this period of rapid growth |
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If goal is to reduce risk of failure |
Crown cleaning Crown thinning Crown raising Crown reduction Restoration pruning |
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Goal is provide clearance |
Crown raising Crown reduction |
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Goal to reduce shade and wind resistance |
Crown thinning Crown reduction |
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Goal is to Maintain health |
Structural Crown cleaning Restorative. Pruning |
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Goal is influence flower or fruit production |
Structural Crown thinning Crown reduction Restoration pruning |
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Goal is to improve view |
Crown thinning Crown raising Crown reduction |
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Goal is to Improve aesthetics |
Structural Crown thinning, cleaning and restoration pruning |
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Goal tree planting |
Structural Root pruning |
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Goal is Hardscape repair |
Root pruning |
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What do branches develop from? |
Apical buds at the tip of the same stem |
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After they develop from apical buds what type of branches are formed |
Codominant |
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At development what should be done with codominant branches |
Best removed when young....remove one at properr angle in relation to crotch |
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What is the goal when pruning young trees for structure |
Should be to have branches no greater than one half the diameter of trunk or parent stem |
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What is crown cleaning |
A series pf pruning cuts that remove hazardous declining and or dead branches. Also ecessive epicormic branches |
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What is an epicormic branch |
Watersprouts and suckers |
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What is the goal of a properly trimmed tree |
It should look natural as if no work had been done |
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What is the goal of thinning if not to influence size and shape of tree |
Should result in even distribution of branches along individual limbs |
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Describe the technique of Crown Raising |
The removal of lower branches in order to privide clearance for vehixle or pedestrian traffic. |
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When should crown raising take place in tree life span |
While young to medium aged trees to prenent low branches from reaching large diameter.younger trees heal faster |
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To promote tree health and stability what is the max percent of lower canopy that can be removed |
30 to 33 percent |
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What is a xommon practice on young trees to avoid large low branches |
To shorten low brancheed regularly and suppress their growth and force more growth in upper branches. These lower limbs can be removed later in crown raising |
