Common HRD Treatment No Longer Available

Posted on by akabelowsky
A pine stump with a Heterobasidion root disease fruit body with old brown growth in the center and new, bright white growth along the edges.

A Heterobasidion root disease (HRD) fruit body with new white growth observed in the fall. Photo: Wisconsin DNR

The Wisconsin Department of Natural Resources Forest Health Newsletter reports that the fungicide Rotstop® C is no longer available in North America.

Rostop® C is commonly used to protect against Heterobasidion root disease (HRD) during conifer timber harvests. It has been discontinued in the North American market. Cellu-Treat® is now the only registered and available to prevent HRD in Wisconsin. Check out the article from DNR Forest Health for more detail.

As always, remember to report your pesticide use when applying these or any other pesticides on property in the MFL Certified Group. You can use the online reporting form or send the required information to MFLForestCertification@wisconsin.gov.

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