Heterobasidion Root Disease Interactive Guide
Result
HRD is not present in the stand AND the stand is NOT within 25 miles of a confirmed HRD stand.
Learn more in Chapter 3 of the HRD guidelines.
Recommendation
Treatment of pine and spruce stumps is considered unnecessary because there is a large distance between the stand and known locations of HRD. However, it is possible that HRD is present in areas where the disease has not been confirmed.
Things to consider
If you choose to harvest during April 1–November 30 without stump treatment, consider the potential impact to the stand and subsequently to adjacent stands if HRD were to develop in the stand. It is important to note that there are no treatments to eradicate the pathogen after it infests a stand.
Background information
Long-distance spread of H. irregulare and buffer radius (Chapter 5.1)