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                    Statements (25)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:disease | 
| gptkbp:affects | elm trees | 
| gptkbp:causedBy | gptkb:Ophiostoma_novo-ulmi gptkb:Ophiostoma_ulmi | 
| gptkbp:controls | breeding resistant elms fungicide injection removal of infected trees | 
| gptkbp:firstDescribed | 1921 | 
| gptkbp:impact | widespread elm mortality | 
| gptkbp:namedAfter | gptkb:Netherlands | 
| gptkbp:notableOutbreaks | gptkb:Canada gptkb:United_Kingdom gptkb:United_States | 
| gptkbp:spreadTo | elm bark beetles | 
| gptkbp:symptom | branch dieback wilting leaves yellowing leaves | 
| gptkbp:transmission | insect vectors root grafts | 
| gptkbp:分布地区 | gptkb:Asia gptkb:Europe gptkb:North_America | 
| gptkbp:bfsParent | gptkb:American_Elm | 
| gptkbp:bfsLayer | 4 | 
| https://www.w3.org/2000/01/rdf-schema#label | Dutch elm disease |