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Honeylocust > Leaves > Leaves partially or completely brown

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  • Image: Honeylocust spider mites 1
    Credit: W. Cranshaw, CO State University, Bugwood.org
  • Image: Honeylocust spider mites 2

    Credit: W. Cranshaw, CO State University, Bugwood.org

  • Image: Honeylocust spider mites 3

    Credit: W. Cranshaw, CO State University, Bugwood.org

  • - CLICK PHOTOS TO ENLARGE -

green arrowHoneylocust spider mites
Platytetranychus multidigituli

  • Light infestations cause a speckled whitish or yellowish discoloration on upper leaf surface
  • Heavier infestations can cause foliage to brown
  • Adults yellow to yellowish green, which are microscopic
  • More information on Honeylocust spider mites...
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  • Image: Ganoderma root and butt rot 1
    Credit: M. Grabowski, University Of Minnesota
  • Image: Ganoderma root and butt rot 2

    Credit: M. Grabowski, University Of Minnesota

  • Image: Ganoderma root and butt rot 3

    Credit: M. Grabowski, University Of Minnesota

  • - CLICK PHOTOS TO ENLARGE -

green arrowGanoderma 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, a semicircle shelf fungi, can be found 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
  • More information on Ganoderma root and butt rot...

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