Conifer Tree Roots Removal / Disease Occurs

signs of disease and report their findings to the department.

Heterobasidion root disease (HRD) is a serious fungal disease that kills pines, spruces, and other conifers in Wisconsin.

DNR maintains an online map with all DRH-known locations. Please report suspected cases to your local forest health professional.

Click on the "Read More" tab to check the locations where the map shows these disease happens.

Read More

New outbreaks often occur when shoots from nearby fungi fall on freshly cut trees. Using fungicides on cut conifer stumps is the best way to protect Wisconsin forests from HRD.

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