STUB -ROOT PRUNING 241 



ing than to make a record of an experiment. 

 Not all the trees were trimmed in the String- 

 fellow fashion, for other problems than mere 

 stub -root pruning were in mind. Besides the 

 four hundred trees here reported, the roots of 

 two hundred apple trees were cut in different 



160. Results of stub-root and long-root pruning (after 



Stringfellow). No. 1, trimmed to stubs ; No. 2, ordinary 



long roots. 



ways, in order that the formation of the new 

 root system might be studied. The trees were 

 commercial northern -grown, and were set in a 

 moist and well -tilled sandy loam. They were 

 set on the 4th of May, which was as early as 



wards. Experience has shown that the roots are generally emitted per- 

 pendicularly to the plane or surface of the cut. This final pruning should 

 be done shortly before planting, so as to present a fresh surface for the 

 callus to form on. If trees are to be kept some time, or shipped by a 

 nurseryman, abftut two inches of root should be left, the planter to cut 

 back as directed when the tree is set. About a foot of top should be left. 

 More or less makes no difference. If the tree is well staked, three feet 

 may be left without diminishing the growth much." Stringfe llow in 

 "The New Horticulture," 85. 



