PRUNING YOUNG IKEES 



205 



ing given young trees serves as a stimulus and often 

 causes too much vegetati\c growth {•''S). 



166. Objections to summer pruning. — Some growers 

 are opposed to summer pruning on the ground that it 

 weakens tlie trees, that it is de\italizing, that it is unwise 

 to remove any of the lea\'es as they are the "lungs" and 



FIG. 169— ABUNDANCE OF FRUIT SPURS IN THE LIGHT 

 This limb in the upper part of an Italian Prune tree shows that the spurs have 

 had abundant lisht. Note the individual spurs, and the small fruiting limbs are 

 short, stocky and \'igorous. Howe\er, it would be desirable to remove a few of the 

 smaller branches to prevent too hea\'y shading of those below. 



