THE GRAPE-VINE. 



43 



at the extremities (which they are especially disposed to 

 do), and by this check a more equal distribution of 

 growth is produced. 



There are two established principles of priming 

 practised in Vine culture. Each has its advocates, but 

 as a rule in each case circumstances must determine 

 which method to adopt. The constitution of the Vine 

 itself for one thing, and the object in view, must be the 

 two principles for one's guidance. For instance, a 



Fig. 39. 



Vine that has not been thoroughly established for some 

 j^ears, and which has not a good supply of nutriment, 

 cannot be safely pruned on the long-rod system here 

 illustrated, Figs. 39 and 40. Young and weakly 

 constituted Vines are soon ruined by this plan, while 

 for thoroughly established and strong Vines it may be 

 adopted to some benefit. The advantages are cleaner 

 Vines, and finer fruit generally. This arises from a con- 

 centration of the virtues of the roots to the wood bear- 

 ing fruit, chiefly as in b, Fig. 40, all up the Vine, which 



