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New license for elm vaccine DutchTrig in Estonia

Datum: 5 march 2025

For many years, several countries have been protecting their elms against Dutch elm disease with DutchTrig. This biological vaccine, an essential part of an integrated elm management program, is already successfully used in Germany, Denmark, Norway, Sweden, the Netherlands, the United Kingdom, the United States and Canada. It is with pride that idverdeBomendienst, DutchTrig’s authorisation holder and distributor, announces that also Estonia has now officially given permission for the use of the vaccine.

Dutch elm disease protection extended to Estonia

The authorization of DutchTrig in Estonia marks an important step in the protection of the elm population in Northern Europe. “With this new permit, healthy elms in Estonia can now also be preventively protected against Dutch elm disease,” said Ron Schraven, Head of Tree Diseases and Infestations at idverdeBomendienst. “We are proud that we can further expand our work and contribute to elm conservation in even more countries.”

An organic and sustainable vaccine

Elm disease is spread by the elm spider beetle and is a major threat to elms in urban and natural environments. DutchTrig is the world’s only biological vaccine consisting of fungal spores of Verticillium, which activate the elm’s natural defense mechanism. Trees are preventively vaccinated each spring so that they can actively fend off the disease.

Importance of elm preservation

Elms play a crucial role in urban green space and biodiversity. They provide shade, cooling and contribute to air purification. Annual application of DutchTrig not only preserves these benefits, but also protects valuable, monumental elm lanes and city parks for future generations.

Permits essential for protection

Annual injection of DutchTrig requires permits per country. The authorization in Estonia is an important addition to the list of countries using DutchTrig as a remedy against the spread of Dutch elm disease. Applications for renewed product approvals in other countries are still pending, but expectations are positive. “We look forward to further collaborations and hope to be able to report good news in other countries soon,” Schraven said.

The approval of DutchTrig in Estonia marks the next step in the international fight against Dutch elm disease. A sustainable and effective way to ensure the future of elms.

Ron Schraven Portretfoto

Ron Schraven

Head of Tree Diseases & Infestations
Photo by Cactusphotography

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