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PRINCIPLES OF PLANT CULTUEE 



431. Pruning implements. The principal pruning 

 implements are the following : 



FIG. 170. 



FIGS. 167-170. Pruning tools. 



FIG. 167. " Sear's " pruning saw. 

 FIG. 168. Perfection pruning saw. 

 FIG. 169. Pruning knife. 

 FIG. 170. All-steel pruning shears. 



The pruning knife (Fig. 169) is useful for removing 

 small woody shoots. The blade should be of good steel, 



