Queen Palm Black Trunk: Ganoderma Butt Rot Suspected

Jim's established queen palm in Orlando has an 8-inch by 4-foot black trunk area but otherwise healthy canopy.

Possible Ganoderma

Blackening could be Ganoderma butt rot (fungus Ganoderma zonatum) entering through wounds. Fatal to several FL palms.

Apply Atomic Grow to restore health so the fungus recedes. Organic, safe for all plants.

Palm

Plant Diseases: Queen Palm Base Rot: Identifying Ganoderma Butt Rot and Exploring Options; Establishing Queen Palms in New Jersey: Water and Nutrition; Red Spikes on Willow Trunk? It’s Borer Frass—Here’s What to Do; Robellini Palm Trunk Fungus After Freeze Damage; Outdoor Palm with Brown Leaves and White Spots: Root Stress Suspected; Sago Palm White Spots: Asian Cycad Scale; Sago Palm White Dusting: Asian Cycad Scale or Fungus?; Queen Palm Trunk Splits: Normal Aging or Structural Risk?; Robellini Trunk Fuzz = Lichen (Harmless), Queen Palm Frizzling = Check for Ganoderma; Ant Infestation in Queen Palm: Carpenter Ants vs. Harmless Species

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