174 



PRINCIPLES AND PRACTICE OK PRUNING 



other trees do not seem to be able to stand quite such 

 severe handling. Always a goodly number of robust buds 

 should be left to develop the frame branches. Some of 

 these may be upon the main stem, others upon the stubs 

 of the branches developed in the nursery. 



"Whip" pruning and "stub" pruning have each their 

 advocates. The former is the more popular with and 

 applicable to yearling trees, and since one-year trees are 

 steadily gaining in popularity, this method is the 1 more 

 important. It consists in leaving nothing but the original 



FIG. 127 YOUNG TREES PROPERLY HEELED IN FOR TEMPORARY STORAGE 

 When received too early for planting, nursery stock should be properly cared 

 for. "Heeling in" keeps the roots moist and insures growth when the trees are 

 planted in the field. 



stem no branches at all and shortening this to the de- 

 sired height. During the first season the tree "feathers 

 out" or develops many twigs, among which may be sev- 

 eral properly placed to form the head. 



When the nursery trees are sturdy and have several 

 branches, the stub method may be used, the head being 

 started at the height desired. This method leaves one t<> 



