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Mycology of the Dutch Trig Vaccine Injecting trees with a live version of Verticillium dahliae would be risky. That is exactly why Dutch Trig uses a hyaline (or better known as “white”) variant of Verticillium albo-atrum. The whole idea behind vaccination is using a weak strain of a...

Bartlett's early Dutch Trig field trials Indeed Bartlett was the first to test and use the product. Where does the information come from that says they lost many of the treated trees? The results of their field test from 1996 and 1997 can be found on the dutch trig web page.

For a digital PDF version of the poster check out www.dutchtrig.com under downloads.

Dutch Trig Claims To prove a product does what is claimed, you need controlled research. That is why the University of Wisconsin (known for its resistant-elm-breeding-program) performed a controlled Dutch Trig efficacy study, in which different elm clones were Dutch Trig treated ánd...

Dutch Trig a Joke?? I would not call Dutch Trig “a joke”, when since 1992 over 350.000 Dutch Trig treatments have been performed in The Netherlands, Germany, Switzerland and the US. The efficacy of the treatment over 15 years remains constant at 99%, in areas where non-treated trees do get...

Dutch Trig’s EPA Registration Correct: Dutch Trig is fully EPA registered since October 2005. For a copy of the EPA approved label, or the Material Safety data Sheet (MSDS), visit www.DutchTrig.com, and get a copy from the “Downloads” section.

A list of Arborist Companies using Dutch Trig can be found on the product's website (Results, United States page). To get a list with details of Arborists whom you can contact, contact the European Distributor contact person by e-mail and refer to this tread. He can help you out with all the...

Dutch Trig for Dutch Elm Disease Dutch Trig is a biological vaccin for American Elm trees to prevent DED. A few drops of vaccine are injected in May, on healthy trees resulting in a very high level of protection from DED. The vaccine strengthens the elms natural immune system, with a 99%...