KEVIEW OF PEUNING AND TRAINING. 



271 



sion of years ; but any one who has ever seen a vine grow- 

 ing, must know that the upward tendency of thcj sap would 

 prevent the lower buds retaining their vitality upon a vine 

 of this height. 



ITPRIGHT CANES 



WITH SIDE SPURS. 



1 have adopted this name 

 for the want of a better, 

 and applied it to a system 

 that has been described in 

 most of our late works on 

 pomology under the name 

 Df renewal system, which 

 is not very definite, as the 

 renewal part is applied to 

 !0 many others. 



Fig. 105 shows the geno- 

 •al form of training adopt- 

 ed in this plan. The vines 

 ire started the same as for 

 ;he altei-nate renewal sys- 

 ;em, but the upright canes 

 )n the arms ai e all allowed 

 .0 remain at equal length, 

 ay from four to six feet. 

 The vines are trained on 

 I trellis with horizontal 

 vires, which' should be 

 ilaced about a foot apart, 

 that the young side- 

 hoots can be conveniently 

 led together. But two 

 prijjht canes are here 

 liowu on each arm; the 



Fig. r04. 



