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Removal of infected trees helps limit the spread of Dutch elm disease by reducing the number of beetles and spores available for infection next spring. Photo courtesy of University of Minnesota Department of Plant Pathology.
Severing of root grafts with a vibratory plow (5' blade) prevents the fungus from spreading to healthy trees through root grafts.
Photo courtesy of University of Minnesota Department of Plant Pathology.
Systemic injections are available for controlling Dutch elm disease and can be used as a preventative or curative treatment.
Photo courtesy of University of Minnesota Department of Plant Pathology.
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