108 



GRAFTING OPERATIONS 



ing regular crops can be expected to reproduce this charac- 

 ter from its vegetative parts. Every part of a tree is not 

 necessarily of equal vigor. The lower branches receiv- 

 ing less sunlight are not as vigorous as the ones higher 

 up. Trees growing on good soil will produce better cions 

 than trees from poorer soil. As in the case of bud sticks 



FIG. 54. Bridge Graft after Two Years' Growth. 



select cions from those trees which have good bearing 

 records and from the most vigorous parts of those trees. 



The best cions are obtained from one year old wood 

 of an average growth of from eighteen to twenty-four inches. 

 The longer the growing season of any locality the larger 

 the cions that can be had. Where only a few are needed 

 they may be cut as fast as used. In top- working trees 



