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Graft union breakage is common on dwarf apple trees if no support is provided. Dwarf tree graft unions are brittle and prone to breakage, particularly as trees begin to bear fruit and put more stress on the graft union.

Graft union breakage (Strang, UKY)
Graft union breakage.

(Photo: John Strang, University of Kentucky)

    

Management:

  • Support dwarf trees with a trellis or post

   

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