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- Postma, Joeke; Goossen-van de Geijn, Helen
- BioControl 2016 v.61 no.3 pp. 305-312
- Coleoptera; Dutch elm disease; Ophiostoma; Ulmus; Verticillium albo-atrum; active ingredients; bark beetles; biological control; fungi; regression analysis; trees; urban areas; Canada; Germany; Netherlands; Sweden; United States
- ... Since 1992 elm trees have been treated with a biological control product Dutch Trig® to protect them from infection by Ophiostoma novo-ulmi causing Dutch elm disease (DED). The active ingredient of the biocontrol product consists of the fungus Verticillium albo-atrum strain WCS850. A conidiospore suspension of this fungus is injected into the vascular system of elm trees at a height of 1.3 m. This ...