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Arboriculture Glossary of TermsThere are 1070 entries in this glossary.
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device used to tighten lags and aid in cable installation.
hardware to which a cable termination is affixed in a cabling or guying installation.
double-bolted, U-shaped clamp, sometimes used to secure tree cables. Not acceptable or approved for tree support systems in the United States.
mechanical device that grasps and holds the cable during installation.
installation of steel or synthetic cable in a tree to provide supplemental support to weak branches or crotches.
undifferentiated tissue formed by the cambium, usually as the result of wounding. Contrast with woundwood.
thin layer(s) of meristematic cells that give rise (outward) to the phloem and (inward) to the xylem, increasing stem and root diameter.
localized diseased area on stems, roots, and branches. Often shrunken and discolored.
collective branches and foliage of a tree or group of trees
lever with an adjustable hook and having a blunt end instead of a spike. Used for handling and rolling logs. Traditionally made with a stout wooden lever but now often made of metal. Contrast with peavey.
connecting device. Oblong metal ring used in climbing and static rigging that is opened and closed by a spring-loaded gate. Contrast with snap.
compound, combining carbon, hydrogen, and oxygen, that is produced by plants as a result of photosynthesis. Sugars and starches.
|cardiopulmonary resuscitation (CPR)||
procedure used by a trained person to force air into the lungs and to force blood circulation in a person whose heart has stopped beating. See also artificial respiration.
yellow, orange, or red pigment responsible for those colors in some parts of trees and other plants. Compare to anthocyanin and xanthophyll.
positively charged ion. In soils, the most abundant cations are calcium (Ca), magnesium (Mg), potassium (K), sodium (Na), and aluminum (Al). Contrast with anion.
|cation exchange capacity (CEC)||
ability of a soil to adsorb and hold cations. Affected by soil pH. Measures soil fertility, clay composition, and engineering characteristics.
biotic or abiotic agent that induces a disease or disorder.
open or closed hollow within a tree stem, usually associated with decay.
basic structural and functional unit of living organisms.
complex carbohydrate found in the cellular walls of the majority of plants, algae, and certain fungi.
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