194 



PRINCIPLES AND PRACTICE OF PRUNING 



fruit growers would advise fall pruning in the Xorthwest, 

 unless one has such a large acreage that it is impossible 

 to complete the work unless the pruning is commenced 

 early in the season, if it becomes necessary to prune 



FIG. 157 



MODIFIED LEADER 

 This splendid type of 

 modified leader tree, a 

 five-year-old Wagener 

 apple, was summer 

 pruned in July and 

 photographed in Janu- 

 ary. Note the amount 

 of after-growth. Th's 

 indicates that the tree 

 was pruned at about 

 the right period. 



trees in fall or very 

 early winter, growers 

 prune the older trees 

 fi r s t , leaving the 

 younger ones for the 

 last. We should cau- 

 tion against pruning 

 trees when they are 

 frozen. Much heart rot and die-back have resulted from 

 pruning frozen trees. It is possible to prune trees some- 

 what even after they come out fully in the spring. 



160. Three lessons in pruning young trees. Pruning 



FIG. 158 

 EXAMPLE OF UNEQUAL GROWTH 



Branch A is growing at the expense of the 

 other branches. It should therefore be sup- 

 pressed. 



