PRUNING NURSERY STOCK 



181 



touched (Fig. 143). These trees do not average so well 

 as those in the previous lot. Most of them do not have 

 good branches low down, the real heads having formed 

 f) or 6 feet from the ground, though in some cases the 

 lower branches will make good heads. These trees seem 

 to be the most undesirable ones in the experiment. 

 3. Branches cut back half, roots unpruned (Fig. 142). 

 Good trees, with uniform heads about 3 feet from the 

 srround. The heads well balanced and trees well formed. 



FIG. I3S— TREE GROWN FROM 

 UNTRIMMED NURSERY STOC'.C 



FIG. 13Sa— TREE FROM 

 "STRINGFELLOWED" ROOTS 



4. Branches untrimmed, roots untrimmed (Fig. 140). 

 Good trees. A few seem rather slender, but most are 

 excellent. Heads formed about as in Fig. 138. Growth 

 not quite so good on the average. 5. Branches cut back, 

 roots untrimmed (Fig. 138), a counterpart of Fig. 140. 

 Very similar in appearance to Fig. 140. Growth a trifle 

 better, heads well formed (Fig. 141). 6. Branches cut 

 back and roots cut back (Fig. 141). More uneven in 



