These fruits are so nearly allied that they can be all budded or grafted on the same stock. And commercially the peach is often worked on Ohicasa-plum stocks and the plum on peach. The apricot is sometimes grown on apricot-seedling stocks, but far more generally on domestica plum-seedlings.
Commercially, the domestica and Japan plums are mainly budded on myrobalan stocks imported or home grown. The apricot is usually budded on its own seedlings or on seedlings of the domestica plums, and it also makes a good union with Americana stocks.
In the prairie States, for reasons given in section (47. Commercial Stocks), Americana stocks are largely used in propagating all plums, prunes, and apricots. In budding on this stock the buds are often inserted the same season the pits are planted (74. Budding the Same Season the Pits are Planted).
The peach is usually budded on peach-seedlings at the North. The stratified pits (5. Seed-stratification) are planted early in spring, given good culture, and budded in August. The tops are cut back the next spring (75. After Care of Summer Buds) to start growth, which makes a well-branched tree for orchard-planting the first season.
In California and the South the long seasons permit the early planting of the pits and budding in June. The leaf bracts are left below the point of insertion and the top is only cut back partially until the bud is well started. These buds start late, yet they make sufficient growth to please nearly all planters the same season the pits are planted. The same plan is taken with the apricot in California as in summer budding; with growth the next season, the trees attain an unhandy size for orchard-planting.
In the prairie States the plum, prune, and apricot are crown-grafted (86. Crown-grafting Pear, Plum, and Cherry) more generally than in other parts. By using a long scion and setting in nursery down to the top bud of the scion, and later setting in orchard four inches deeper, roots are secured from the scion, giving practically trees on their own roots. These varieties, and also the cherry, are often grown from root-cuttings (50. Propagation by Root-cuttings) in the West and North.