black spots on the trunk of Texas Sago Palm

Question

Concern about disease on this expensive palm tree. I have some black spots on the trunk of my Texas Sago Palm.

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Answer 1

Neem Oil can be used to treat sooty mold.

Here are a few links with more information.

https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm

https://www.gardeningknowhow.com/ornamental/trees/sago-palm/how-to-care-for-sago-palms.htm

https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm