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. T h i s i s the 

 same vine which is 

 shown with the full 

 amount of wood on 

 in fig. 2 i. The 

 droop ing 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 w h i c h 

 they grew, save only 

 the four canes which 

 hang nearest the main 

 trunk. Fig. 2 2 shows 

 the vine after it had 

 been pruned. It is 

 not obligatory that 

 the canes which are 



left after the pruning 22 . N0 . 2I WHEN PRU NHD. 



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 



