Fruit trees may be dwarfed by which method?

• A. Pruning only
• B. Growing in shade
• C. Budding or grafting onto a dwarfing rootstock
• D. Fertilizing heavily

Answer: (C)

Dwarfing fruit trees is achieved most reliably by grafting or budding the desired cultivar onto a dwarfing rootstock. The rootstock’s limited vigor constrains the whole tree’s growth, giving a compact canopy and earlier fruiting while the scion remains the chosen variety. This grafted combination creates a permanent size reduction compared with growing the same cultivar on a standard rootstock. Pruning alone can size-control temporarily but doesn’t change the tree’s inherent growth potential; growing in shade isn’t a dependable or practical dwarfing method, and heavy fertilization tends to increase vigor rather than reduce size. Hence, using a dwarfing rootstock through budding or grafting is the effective method.