GRAPE. 



231 



naturally from the cane from which they grow. The upright 

 methods have been more widely used than the drooping meth- 

 ods although they are more expensive in practice, since they gen- 

 erally require a more elaborate trellis and the labor of pruning 

 and training is much greater. Further, some of our strong grow- 

 ing vines produce more fruit when trained on the drooping than 

 on the upright system, but there is still quite a difference of 

 opinion among commercial growers as to the relative merits of 

 each, so it is certain that good results are obtained by both of 

 them. 



The single post method is the simplest method of pruning 

 the grape on the upright system. In this, generally two canes 



Fig. 109. Pruning grape vines. Vine treated on 'high renewal system 

 at end of the season. 



are selected and wound about the post, each in opposite direc- 

 tions and tied in place. In pruning in after years these canes 

 are preserved and the canes that grow from them are shortened 

 back to two or three buds. The advantage of this method con- 

 sists in the fact that it permits cultivation of the vineyard both 

 ways and in the cheapness of the support. Its disadvantages 



