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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

Journal Article

Journal Article

Bioactivity of Cedarwood Oil and Cedrol Against Arthropod Pests  [2014]

Eller, F. J.; Vander Meer, R. K.; Behle, R. W.; Flor-Weiler, I. B.; et al.

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Heartwood samples from Juniperus virginiana, were extracted with liquid carbon dioxide and the bioactivity of carbon dioxide-derived cedarwood oil (CWO) towards several species of arthropods was investigated. Repellency or toxicity was tested for ants, ticks, and cockroaches. Ants in an outdoor bioassay were significantly repelled by the presence of cedarwood oil on a pole leading to a sugar-water solution. Similarly, imported red fire ants were repelled by CWO separating them from a food source. Black legged tick nymphs exhibited dosage dependent mortality when exposed to CWO and at the highest dosage tested the CWO killed 100 percent of the ticks. Adult houseflies exhibited over 90% mortality when exposed to the highest dose of CWO tested in a contact mortality bioassay and there was a clear dosage dependent mortality for houseflies in a topical mortality bioassay. However, the highest amount tested in the topical mortality only reached 60% mortality. The crude CWO extract did show some repellency towards both German and American cockroaches; however, the cedrol by itself appeared somewhat attractive, though the observed result may have been caused by sub-lethal effects causing decreased locomotion out of the treated area. These results together demonstrate a clear potential for the use of CWO as an insect control agent. Although some species were less affected than others, repellency or toxicity for others was extremely promising.
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Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2015
Volume:
43
Issue:
3
Start Page:
762
End Page:
766
All titles:
" Bioactivity of Cedarwood Oil and Cedrol Against Arthropod Pests "
Other:
" Works produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S. The content of this document is not copyrighted. "

From the journal

Environmental entomology

ISSN : 0046-225X