6o 



American Grape Training. 



The pruning of the Kniffin vine consists in 

 cutting off all the wood save a single cane from 

 each spur. Fig. 22 

 illustrates the pro- 

 cess. This is the 

 same vine which is 

 shown with the full 

 amount of wood on 

 in fig. 21. The 

 drooping shoots 

 shown in that illus- 

 tration bore the 

 grapes of 1892 ; and 

 now, in the winter of 

 1892-93, they are all 

 to be cut away, with 

 the horizontal old 

 canes from which 

 they grew, save only 

 the four canes which 

 hang nearest the main 

 trunk. Fig. 22 shows 

 the vine after it had 

 been pruned. It is 

 not obligatory that 

 the canes which are 



left after the prunmg 22. no. 21 when pRUNtn. 



should be those nearest the trunk, for it may happen 

 that these may be weak ; but, other things being 

 equal, these canes are preferable because their 



