GRAFTAGE GENERAL CONSIDERATIONS 145 



trees was tested as to its physical strength by a machine 

 used for such purposes. Except in the last case cited 



a 



FIG. 129 CUTTINGS AND WHIP GRAFT 



1. a, straight cuttings; b, c, mallet cuttings; d, heel cutting. These methods 

 are all used for grape propagation. 2, whip or tongue graft; a, stock; b, 

 cion prepared; c, stock and cion fitted properly; d, parts tied together; e, com- 

 pleted by waxing; f, whip graft on root. 



