| The lack of effect of low temperature and high turbidity on operational Bacillus thuringiensis subsp. israelensis activity against larval black flies (Diptera: Simuliidae). | |
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MedLine Citation:
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PMID: 22894128 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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Black fly suppression programs are conducted across a wide range of environmental conditions, targeting a variety of pest species with diverse life histories. Operational applications of Vectobac 12AS (Bacillus thuringiensis subsp. israelensis) were conducted during times characterized by water temperature and turbidity extremes. Applications were conducted in the Yellow River in central Wisconsin targeting Simulium annulus and S. johannseni when water temperatures were 1-2 degrees C. Applications were conducted in the Green River in western North Carolina targeting the S. jenningsi group after a rain event, when portions of the treatment zone experienced turbidities of 276 nephelometric turbidity units. Excellent larvicidal activity was observed in both programs, with 97% mortality or greater being observed at distances over 5 km downstream of a treatment site. Mortality data for larval black flies in 2 operational suppression programs conducted in 2011 demonstrated a negligible effect of near-freezing water temperatures and exceptionally high turbidity on Bti activity. |
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Authors:
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Elmer W Gray; Roger D Wyatt; Peter H Adler; John Smink; Julie E Cox; Ray Noblet |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of the American Mosquito Control Association Volume: 28 ISSN: 8756-971X ISO Abbreviation: J. Am. Mosq. Control Assoc. Publication Date: 2012 Jun |
Date Detail:
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Created Date: 2012-08-16 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8511299 Medline TA: J Am Mosq Control Assoc Country: United States |
Other Details:
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Languages: eng Pagination: 134-6 Citation Subset: IM |
Affiliation:
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Department of Entomology, University of Georgia, Athens, GA 30602, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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