104 



COLLEGE BOTANY 



The stock and scion must be closely related and must be so placed 

 as to bring the growing tissues of the two in contact. If the work 

 is properly done, the tissues of the two will unite, the wound 

 heals and a desirable plant is produced. Grafting is of two 

 types: the cleft and whip. In cleft grafting a branch of the 

 stock is cut off and split and one or two wedge-shaped scions, 

 with buds, inserted (Fig. 76). The wound is then covered with 

 grafting wax. In whip grafting, which is the method usually 



FIG. 76. Steps in cleft grafting; (a) the FIG. 77. Steps in whip or tongue 



scion, (6) the stock, (c and d) the scion and stock grafting; (a and 6) root and scion prop- 

 united, erly cut, (c) the two parts in position. 



(Productive Farming.) 



practiced with seedlings, both stock and scion are cut obliquely, 

 split, united (Fig. 77) and wrapped. Grafting is most com- 

 monly practiced in the spring of the year. 



Budding is also an art in plant production and is practiced 

 for the same purpose as grafting (Fig. 78). In budding a 

 T-shaped incision is made in the bark of the stock plants, and a 

 bud (i.e., scion) with wood and bark attached is taken from a 

 tree of the desired variety. The bud is inserted in the slit in the 



