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MIL <br /> • . . <br /> Form Pru� for , - , <br /> (` The objective i n pru for form is to help shape a tree �/ ' / <br /> ....,...< <br /> ‘ ` <br /> that is aesthetically pleasing and serves well in the space it is / i t - <br /> to occupy. After pruning with strength in mind, look for ways /1 \\ ( \ tl /� <br /> to help shape the most desirable tree. . t / '` ' i <br /> 1 t l ;` / , I L/s V f /' / <br /> i _� is r .. \� i � y 1 1 —�� — ( � ��71,- <br /> / <_ — <br /> iv A ---„,„i �� . • � — / <br /> � '� •� �' i i -, .... <br /> ......, _ . v <br /> 1 , <br /> 1 <br /> t . ^ : � t l _- �•• ti (l- ' 11� �Ih -- .4 t .FYI... - - - - - - <br /> l� - t Q '�4 µ, , r � \\\ <br /> Before pruning After Ingrowers <br /> Thinning and Spacing Protruders and Crown Ratio <br /> Most trees benefit from thinning — removing a portion of the <br /> When a crown is dense, look for limbs that turn inward, and <br /> limbs that compete for space and light. Evenly spaced laterals, 8 -12 those that extend beyond the "natural" outline of the crown. Prune at <br /> inches apart in the young tree, is a good rule of thumb to help assure the trunk o down kill ill your tree. Always maintain at least Over-pruning e can <br /> r of the tree <br /> an ideal "ladder" at maturity. as the live crown. <br /> l i/ <br /> r / <br /> \ N \ 4 <br /> / <br /> .i.,t y <br /> i <br /> mom MIMS <br /> M a N e M <br /> i /I <br /> MI in ars= 15 years after Double Leaders <br /> Function removing low branch Protect the leader from competition. In trees with co- dominant <br /> leaders, remove the one with a crook or other defects, or that creates <br /> Try to imagine what the tree will look like when it is larger. If a a lop -sided appearance. <br /> limb is headed toward trouble Ithe house, walkway, sign, etc.), remove <br /> as early as possible in the life of the tree. Closure of the wound will be Caution: Do not prune too high too quickly. 7b "lift" (raise) <br /> more complete when the limb is small, and it is less trouble and P <br /> expense. Remember, limbs do not move upward as a tree grows than crown, n, the remove lower <br /> crown should No more <br /> d veer be removed in <br /> in height. <br /> single cutting. <br /> TREE CITY USA BULLETIN No. 1 • National Arbor Day Foundation • 5 <br />