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Arboriculture Glossary of Terms
There are 1070 entries in this glossary.
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| Term | Definition |
|---|---|
| bowline on a bight |
knot used to form two loops in the standing part of a rope.
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| box cable system |
tree cabling system that forms closed polygons. Used to join together more than three stems. Contrast with direct cable system and triangular cable system.
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| bracing |
installation of metal rods through portions of a tree for supplemental support.
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| bracing rod |
metal rod used to support weak sections or crotches of a tree.
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| braided rope |
rope construction in which the strands are woven together in a diagonal pattern. Contrast with 3-strand rope.
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| branch |
stem arising from a larger stem. A subdominant stem. Pith in true branches has no connection to the parent stem.
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| branch bark ridge |
raised strip of bark at the top of a branch union, where the growth and expansion of the trunk or parent stem and adjoining branch push the bark into a ridge.
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| branch collar |
area where a branch joins another branch or trunk that is created by the overlapping vascular tissues from both the branch and the trunk. Typically enlarged at the base of the branch.
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| branch protection zone |
chemically and physically modified tissue within the trunk or parent branch at the base of a smaller, subordinate branch that retards the spread of discoloration and decay from the subordinate stem into the trunk or parent branch.
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| branch union |
point where a branch originates from the trunk or another branch. Fork. Crotch.
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| breaking strength |
force at which a new piece of equipment or rope fails under a static load.
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| bridge graft |
method to repair a semi-girdled to completely girdled trunk in which scion wood is grafted above and below the trunk injury to reconnect the trunk vascular cambium.
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| broadcast fertilization (fertilisation, |
application of fertilizer over the soil surface. Contrast with drill-hole fertilization and liquid fertilization.
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| brown rot |
fungal wood rot characterized by the breakdown of cellulose. Contrast with soft rot and white rot.
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| brownout |
term describing the brown appearance of dead foliage, usually following the application of herbicide.
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| brush chipper |
see chipper.
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| BSI |
acronym for British Standards Institution.
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| buck strap |
strap used in tree climbing, often employed for ascending trees with climbing spurs. Similar to a work-positioning lanyard.
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| bud |
small lateral or terminal protuberance on the stem of a plant that may develop into a flower or shoot. Undeveloped flower or shoot containing a meristematic growing point.
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| bud trace |
vascular connection extending from the base of latent buds inward to near the pith. Grows in length with each annual increment and appears as a thin, continuous line when viewed in longitudinal section.
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