Response of trees to dramatic events has been long studied. Pruning trees is wounding and a traumatic event, the resulting pruning wounds cause a response in tree as it tries to close off the injury. Studies have concluded that pruning of live limbs is best done during the growing season. At this period the wounds tend to have less necrosis than in the off season. For this reason winter pruning is usually recommended for only deadwood removal or waterspouts. The work has little or no resulting necrosis. Thinning, crown lifting and limb removal is best done at other times.
Another response in trees is the act of Compartmentalization of decay. CODIT is the accepted acronym in a theory developed by Dr. Alex Shigo, Dr. Shigo, spent years dissecting trees to study wounding and decay. The resulting research modern Arboricultural techniques were developed. Gone was tree paint and flush cuts, in are target pruning, A300, and tree risk assessment. Trees grow and in the growth they work hard to cover wounds, add wood to strength areas of decay with new wood.
Not all are aboard. We have a new generation who have slipped into our industry. Their work is poor, they are ignorant of Arboriculture a nd believe knowledge comes from the ability to run a chain saw and climb a tree. They use spikes from climbing live trees and could careless about it. Calling them arborist is misleading. Cheap prices and forever destroying once beautiful shade trees. Tree cutters better yet buzzards a better name. Buyer beware! You get what you pay for, low baller pricing equals low quality work.
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