is the purposeful, selective removal of part of a tree to fulfill
a predetermined objective. Some of the objectives of pruning are:
- Safety of people, property, or the tree itself
- Sanitation by removal of dead or diseased branches, or extraneous
growth such as mistletoe
- Stimulation or redirection of growth by selective branch removal
- Improvement of appearance or aesthetics of a tree, or to improve
that has been properly pruned of dead or dying branches and judiciously
thinned throughout the canopy can be a joy to behold.
for pruning have been promulgated by different organizations over
time. The National Arborist Association produced a set of work
standards for pruning ornamental shade trees, but now more comprehensive
and descriptive standards have been published by the American
National Standards Institute (the ANSI A300 Pruning Performance
standards identify and define the objectives of pruning so that
the arborist and client can agree on a precise, defined job.