TREE TERMS A. Trunk B. Crown C. Primary branch D. Secondary branch E. Tertiary branch F. Crown height

An example of POOR TREE SURGERY

Crown Thinning Removing smaller secondary branches from inside the canopy is known as crown thinning. Generally this work concentrates on the branch extremities. Because crown thinning reduces leaf area, it can have an adverse effect on the tree. Over-thinning can lead to bark damage through sun scorch of thin barked trees (such as beech) and can lead to a proliferation of suckers in other species (such as oak). The increased light levels achieved may only be temporary. Crown thinning must always be specified by a percentage (10% is 1 in 10 secondary branches) and a maximum cut size CROWN THINNING - Branch Reduction Reducing the length of branches is known as branch reduction. Branches are cut back to a side branch to leave a flowing branch line, rather than stumped off leaving the tree looking like a hat rack. Reductions must be specified by a finished height and spread, often in relation to a nearby feature (roof, gutter height, etc). Crown Lifting Increasing light levels or improving access beneath the tree by reducing or removing low branches is known as crown lifting. Commonly this work is carried out to trees overhanging roads and footpaths. It can be an effective operation to increase light levels to gardens and ground floor rooms CROWN LIFTING - Crown Cleaning Removing dead, dying, diseased, weak branches, epicormic shoots (suckers), climbing plants, etc is known as crown cleaning.

CARDIFF TECHNOSCAPES 38,The Shires,Cardiff CF3 2AZ Tel 01633 681580 Fax 01633 681580 Mob 07767 206149 E-mail:

 "TREE CARE"

By CARDIFF TECHNOSCAPES

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