Agenda - Parks and Recreation Commission - 10/14/1993

Home

12 I d~seose, or damage mo), pose o Ihreot to properly and people. A tree-core speciofis t ~houid evaluate and if nece~Iory remove such trees. lCankers. ~ Lightning strike. Crown dieback. Broken hmb~, dead ] ~J Pollards. S~ub suckers from poor pruning proctic e~ ('toppmg") Weak fork, V-shaped crotch with deco~ Broken-branch cavity. Pruning wound cavities. Exit holes. Evidence in t ernol mscc! damage. Deep trunk cracks. Damo~Ted or broken roots, Torn or missing bark. '-..Likewise, some diseases multiply in plants experiencing stress. Verticil- lium wilt, ash yellbws, and Arrniltaria metJea are examples of diseases that attack weakened trees.. · Continually monitor the health of y'our trees, especially those near construction activities, for insect and disease problems. -Proper treatment, including corrective pruning, water- lng; and pesticide or fungicide appli- cations, can restore tree health. Contact your county extension agent or local forester ~or additional infor- mation on speci~!c tr~e pests. TREE REMOVAL . ~ ,. Even the best protection plans cannot guarantee plant survival. · De~th may occur sh. ortly after con- struction or years later. Look for trees with very £ew leaves and man}, dead branches..If the tree does not leaf out the following'i, ear it is dead. Large trees that lean or exhibit rot, deep Basal ct~vltles. Sawdust. Evidence of in[ernal imect damage. or fungi, $oll heaving. trunk cracks, or extensive top dieback are potentially hazardous (Figure 19). They should be evaluated by a tree-care specialist or be removed. Dead trees are excellent for wildlife, but dangerous to people and build- ings. Large trees should be carefully removed by professionals so as no~ to damage the remaining plants. Tree loss can have a dramatic impact on site appearance. Prompt ' replacement will minimize your grief. '., Remember, the tree you plant is your OWn. C°nclUsi°n'. ]frs not ahvays easy to save trees during construction, but your efforts are worth the trouble. Healthy, well-placed trees can increase prop- erty values by 9 to 27 percent. Protect- ing tree healt'h on a Construction site is a matter of recognizing the potential impacts. Advance planning and simple steps to minimize damage' often can prevent future problems. Many trees have a tremendous capacity to survive disturbance; but in an urban setting we continually test them. Take the time to protect and monitor the health of your investment. Your home and our communities will be healthier, more attractive places to live.