Most important of Verdera’s forestry products is the stump treatment agent Rotstop, developed for the biological control of Heterobasidion annosum and H. parviporum causing root and butt rot in conifers. Rotstop has been on the market over 20 years. Rotstop is the only biological product available for preventive control of this devastating rot, which has a huge economical impact. Verdera’s product portfolio for forestry includes also Blue Stump Marker colour tablets, used to monitor the coverage of stumps during treatment.

Verdera, Copyright 2023