Slowing ash mortality: a potential strategy to slam emerald ash borer in outlier sites
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In: McManus, Katherine A; Gottschalk, Kurt W., eds. Proceedings. 20th U.S. Department of Agriculture interagency research forum on invasive species 2009; 2009 January 13-16; Annapolis, MD. Gen. Tech. Rep. NRS-P-51. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 44-46.
Several isolated outlier populations of emerald ash borer (Agrilus planipennis Fairmaire) were discovered in 2008 and additional outliers will likely be found as detection surveys and public outreach activities continue. In past years, regulatory officials attempted to eradicate selected outlier populations by removing and destroying ash trees within 400 to 800 m radius of known infested trees. These efforts were expensive, difficult to implement and often alienated affected landowners. Most eradication projects were unsuccessful, largely because of the difficulty of identifying infested but nonsymptomatic trees.
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McCullough, Deborah G.; Siegert, Nathan W.; Bedford, John. 2009. Slowing ash mortality: a potential strategy to slam emerald ash borer in outlier sites