tree diagnosis

Asked July 10, 2018, 5:15 PM EDT

What is causing this dark stain on the trunk of the mulberry tree?

Prince George's County Maryland slime flux mulberry trees trees

1 Response

This most likely is something called slime flux. This is not a serious problem. Please see the following information from our website, http://extension.umd.edu/hgic/slime-flux-and-wetwood-trees-and-shrubs

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