The Olive in Arizona 



^03 



seeds to germinate, since they often remained dormant a year or more. 

 However, this difficulty is overcome by clipping the ends of the seeds to 

 allow the penetration of moisture. (See Bulletin 268 Calif. Kxp. 

 Station). 



TOP-GRAFTING 



Sometimes it becomes necessary to top-graft old trees with more 

 desirable varieties, which is not difficult since the olive is quite amenable 



Fig. 9. Showing stock with scion inserted, and the completed graft. 



Lo such treatment. Top-grafting can be done most successfully in 

 spring by using the bark graft. Preparatory to grafting, the trees are 

 cut back to stubs four and one-half to five feet from the ground. 

 The bark is then split downward from the top about one and one-half 

 inches and the scion, cut with a long single bevel, is inserted (See Fig. 

 9, A). The method of preparing scions for the bark graft is shown 

 in Figure 8, one to four being used, depending on the size of the 



