ILLINOIS TREES: SELECTION. PLANTING, AND CARE 



27 



remove branches and stems damaged by wind, ice, and various 

 mechanical agents, and to remove diseased and dead branches. 

 Ugly wounds caused by splitting of wood and tearing of 

 bark when branches are removed can be avoided through care- 

 ful practices. Branches that you can hold with one hand (those 

 2 inches or less in diameter) can be removed with a single cut. 

 Three cuts (Fig. 23) are necessary to remove the larger branches. 

 First, make the undercut. A, 12-18 inches out from the main 



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Fig. 25. — Excessive pruning by dehorning all major branches fre- 

 quently results in dying back of the injured branches. 



