PRUNING NURSERY STOCK 



169 



nocuous desuetude," and except as an interesting theory 

 it is rarely discussed today. 



146. Advantages of Stringfellow system. — The main 

 points claimed by Mr. Stringfellow for the stub-root sys- 

 tem of pruning are as follows : 1. The saving in hole dig- 



FIG. 120— VARIOUS GRADES OF PEACH TREES 



Caliper (left to right) No. 1, 's inch; No. 2, 3j inch; No. 3, 5^ inch; 



No. 4, 1,2 inch; No. 5, 3s incil. 



ging; 2, saving in freight to purchaser if trees are root 

 and top pruned at the nursery; 3, corresponding saving 

 in charge for packing ; 4, saving to iiurserymen in taking 

 up trees for shipments; 5, reducing to a minimum, 

 through the removal of most of the roots, the danger of 



