276 



AGRICULTURE. 



as in Fig. 93. The remaining stub should now be 

 sawed off close to the trunk (see Fig. 90, 6). 



III. Treatment of 

 Wounds. 



Where the cut 

 surface is large, some 

 protective substance 

 should be applied to 

 the exposed tissue. 



1. Pine Tar is sometimes 

 used as a dressing for these 

 wounds. It is regarded as an 

 excellent one. 



2. Another dressing which 

 may be used upon any tree 

 without injury is Grafting-wax 

 (see Chapter IX., p. 237). 



3. Lead Paint is doubtless the best dressing 

 for all kinds of trees, since it is not only durable, 

 but to some extent antiseptic, and comparatively 

 inexpensive. 



IV. Pruning Back of Small Limbs. 



i. Removal of Buds, The ideal method of 

 pruning, or that which would insure to the plant 

 the least waste of energy, is the pinching or 

 rubbing off of buds that would develop into 

 branches which would need to be pruned off. 



This method of pruning is especially adapted 

 to the early or formative period of a plant's de- 

 velopment. If close attention be given to the 



FIG. 93. THE WAY 



TO REMOVE A 



LARGE LIMB. 



