HOW PLANTS ARE PROPAGATED 



103 



How grafts are made. A cutting may be placed, 

 not in the ground, but upon another plant. Then it is 

 called a scion, and the plant on which it is placed is called 

 the stock. We may in this way graft a peach scion on a 

 peach, almond, or plum tree, for these trees are all very 

 much alike. But if we try to graft it on a very different 

 sort of tree, as, for example, a walnut, it will not grow. 

 The scion gets its water and soil food from 

 the stock, but this does not seem in most 

 cases to change its usual way of growth. 



FIG. 52. Cleft 

 graft. 



FIG. 53. Shield 

 budding. 



FIG. 54. Shield 

 bud set. 



On an almond tree we may have scions of peach, 

 nectarine, plum, and apricot, yet each will produce its 

 own kind of fruit just as if it were growing on its 

 own roots. 



We have already learned (page 87) that it is by means 

 of the cambium that scion and stock grow together. The 

 whole secret of grafting is to place the cambium of the 



