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DutchTrig showcases biological solution against Dutch elm disease at ArborEXPO...

Ron Schraven
27 March 2025

On March 27 and 28, Ron Schraven is representing DutchTrig at ArborEXPO 2025 in New Jersey – a leading event…

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New license for elm vaccine DutchTrig in Estonia

Ron Schraven
5 March 2025

For many years, several countries have been protecting their elms against Dutch elm disease with DutchTrig. This biological vaccine, an…

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Increase in Dutch elm disease can be prevented with DutchTrig

idverde
16 July 2024

Every year elms are again affected by Dutch elm disease, which is a shame because of their cultural and aesthetic…

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The Netherlands: Tribute to Johanna Westerdijk

idverde
18 August 2022

Professor Johanna Westerdijk and Dutch Elm Disease are inseparably connected. In the years between 1920 and 1930, Johanna and her…

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Gävle municipality (Sweden) vaccinate their elms with DutchTrig

idverde
19 May 2022

On May 19, Gävle municipality, together with Holy Trinity Church, will vaccinate nine elms in central Gävle.“We work together because…

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Deployment of Dutch pride DutchTrig in 2021 highly successful again

idverde
4 April 2022

Every year elms are affected by Dutch elm disease. A shame of the cultural and aesthetic value they represent in…

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DutchTrig is celebrating its 30th anniversary!

idverde
10 March 2022

This year DutchTrig celebrates its 30th anniversary! In 1992 DutchTrig was officially approved for use as a vaccine, and since…

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Another successful deployment of DutchTrig in 2020

idverde
9 February 2021

For over 25 years, elms in the Netherlands have been injected with DutchTrig by idverde Bomendienst. By using this biological…

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Intensified struggle against Dutch Elm Disease in Oslo

idverde
4 February 2021

Dutch Elm Disease has been present as a smoldering fire in Norway, and since the 1970s the disease has killed…

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With good management, we can put Dutch elm disease back...

idverde
18 January 2021

It seemed like we had kind of forgotten about it, but Dutch elm disease is still everywhere. Last year there…

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