276 



AGRICULTURE. 



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

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



III. Treatment of 

 Wounds. 



Where the cut 



surface is large, some 



protective substance 



should be applied to 



the exposed tissue. 



Tar is sometimes 



dressing for these 



It is regarded as an 



excellent one. 



2. Another dressinof which 



may be used upon any tree 



without injury is Grafting-iuax 



(see Chapter IX., p. 237). 



3. Z,^^?rt^ jPrt;/'/// 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. 



