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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous Trees > Kentucky coffeetree > Fungi growing on trunk

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Kentucky coffeetree > Trunk/Branches > Fungi growing on trunk

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  • Ganoderma root and butt rot 1
  • Ganoderma root and butt rot 2
  • Ganoderma root and butt rot 3

Ganoderma root and butt rot
Ganoderma spp.

  • Leaves are smaller in size and turn yellow earlier than normal
  • Canopy appears thin with few leaves and multiple dead branches
  • Fungal conks, semicircle shelf fungi, can be found singly or in clusters from the base of the tree up to 3 feet high on the trunk
  • Conks are reddish brown and shiny on top, white and porous underneath, a rim of white may be visible on the edge of growing conks
  • Infected wood at the base of the tree is white, soft, stringy or spongy
  • Infected trees frequently break or fall over in storms
  • Most frequent on stressed trees and/or those with mechanical wounds
  • More information on Ganoderma butt rot

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