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Arbotect 20-S is the industry standard fungicide for the prevention of Dutch elm disease and suppression of sycamore anthracnose. One application of Arbotect by macro-infusion protects the entire canopy for multiple growing seasons.
Dutch elm disease:
Sycamore anthracnose:
Arbotect became the industry standard with Dutch elm disease for a simple reason: it works better than any other option. Elm trees are susceptible to infection early in the growing season but treatments cannot be performed until the tree is fully leafed out for the year. This means there is a several-week gap early in the year where other treatments leave the tree exposed to a possible infection. Arbotect not only lasts 3 seasons in the tree, but the product moves into the new growth. This allows a tree to be fully protected early in the season, which is a common time for elm trees to become infected.