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2006

Plant Sciences

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Trees

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Pb1766 Saving Trees And Making Money In Residential Development, The University Of Tennessee Agricultural Extension Service Oct 2006

Pb1766 Saving Trees And Making Money In Residential Development, The University Of Tennessee Agricultural Extension Service

Forestry, Trees, and Timber

It’s a common sight in developments that are 3 – 5 years old. A homeowner had initially purchased a property for its wooded and natural aesthetic appeal and thinks he or she has succeeded in preserving this beauty. When the home is finished and the nearby trees still cast shade, the owner considers the trees to be past the critical stage. It isn’t until after the interior is furnished and the lawn is established that the homeowner soon notices he or she is picking up a few more fallen branches in the yard than is customary. Eventually, the owner looks …


Sp683 Tree Wounds - Response Of Trees And What You Can Do, The University Of Tennessee Agricultural Extension Service Oct 2006

Sp683 Tree Wounds - Response Of Trees And What You Can Do, The University Of Tennessee Agricultural Extension Service

Forestry, Trees, and Timber

Trees are commonly wounded and the causes are many: broken branches; impacts, abrasions and scrapes; animal damage; insect attack; fire; etc. Wounds usually break the bark and damage the food- (phloem or inner bark) and water- (xylem or wood) conducting tissues. Wounds also expose the inside of the tree to organisms, primarily bacteria and fungi that may infect and cause discoloration and decay of the wood. Decay can result in structurally weakened tree stems and unsightly trees and can shorten the life of a tree. Decay in a tree cannot be cured. However, proper tree care can limit the progress …


Sp682 Watering Trees, The University Of Tennessee Agricultural Extension Service Oct 2006

Sp682 Watering Trees, The University Of Tennessee Agricultural Extension Service

Forestry, Trees, and Timber

Water is the most limiting factor for tree survival and growth. Trees use water during photosynthesis and lose water during transpiration. Water shortages affect both young and old trees. Drought conditions can lead to tree decline, making the tree more susceptible to pest problems. Supplemental watering can greatly assist trees during stressful drought periods in the summer and in the dormant season when soil moisture is limited. Desiccating winds and lack of precipitation can increase transpiration in evergreens (conifers) and create soil moisture deficits even during the winter.


Sp684 Selecting A Tree-Care Company, The University Of Tennessee Agricultural Extension Service Oct 2006

Sp684 Selecting A Tree-Care Company, The University Of Tennessee Agricultural Extension Service

Forestry, Trees, and Timber

Choosing a tree-care company is similar to choosing most any professional service. The people performing the work must be knowledgeable, properly equipped, safetyconscious and have the experience to perform the service. Outlined below are a few questions that will help the informed consumer select a tree-care company and expect quality work at a reasonable cost.


Sp686 Dieback And Decline Of Trees, The University Of Tennessee Agricultural Extension Service Oct 2006

Sp686 Dieback And Decline Of Trees, The University Of Tennessee Agricultural Extension Service

Forestry, Trees, and Timber

Tree decline is a general loss of vitality throughout the entire tree caused by a systemic disease or by a sequence of stressing events that causes the tree to deplete its energy reserves. Twig and branch dieback is initiated in the tree as a response to poor growing conditions, physical injury to the tree and/or pest attack. Usually a combination of physical, climatic and pest problems lead to decline and dieback of trees. The factors that contribute to this decline are the subject of this publication, as well as management practices to prevent decline.