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limbs are braced together, and the split live bark 
This crotched oak split almost tothe ground. The 
Covering a big wound with new bark. Instead of 
waiting years for the bark tu close over; strips are 
cleft grafted 
treated with tree wax, to make a new union. The 
wood inside will never unite 
Cement used for filling a split trunK must not ex- 
tend over the live edge of the bark. If it does, the 
growth of the bark will generally push out the filling, 
leaving room for disease to enter. The ideal is to 
have the cement surface just low enough for the bark 
to grow over it 
First steps to a bad hole. A stub was left when 
the branch was taken off, and the end left unpaint- 
ed. Compare with the lower right hand picture on 
this page 
Bridge grafting a large wound after removing a 
branch. Young growing twigs with wedge-shaped 
ends are inserted in spring, and waxed, as in ordinary 
grafting. They will eventually unite 
- Se 3 ae i> He | NS 
Right and wrong way of bracing. The lower brace A successful case of cementing. Compare this A perfect heal. The branch was cut off close, no 
passing around each limb cuts into the bark, and with that shown in the illustration above, where too stub left, the end smoothed and painted, and the 
girdles them. The upper rod passes through the limb much material was used bark quickly closed over it 
RIGHT AND WRONG WAYS OF STOPPING DECAY AND REPAIRING INJURY IN MATURE TREES 
