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- Title
SR450 And Superhawk XP Applications Of Bacillus thuringiensis israelensis Against Culex quinquefasciatus<sup>1</sup>.
- Authors
Dunford, James C.; Stoops, Craig A.; Estep, Alden S.; Britch, Seth C.; Richardson, Alec G.; Walker, Todd W.; Farooq, Muhammad; Hoel, David F.; Platt, Raymond R.; Smith, Vincent L.; Wirtz, Robert A.; Kerce, Jerry D.
- Abstract
Sprayer comparisons and larval morality assays were conducted following SR450 backpack mist blower and Superhawk XP thermal fogger applications of Vectobac® WDG Bacillus thuringiensis israelensis ( Bti) against Culex quinquefasciatus. Bacillus thuringiensis israelensis was applied at maximum label rate in a 232.26-m2 field plot located in north-central Florida with containers placed at 2 heights (ground level and 1.52 m above ground) on stakes positioned 3.04, 6.09, 9.14, 12.19, and 15.24 m from the spray line. Results indicated that there was no significant ( P > 0.05) difference in 24- and 48-h larval mortality between the 2 sprayers or between the 2 heights. There was significant difference ( P < 0.05) among the 5 rows, with mortality continuously decreasing with increasing distance from sprayer. Both sprayers provided on average >70% larval mortality 3.04-9.14 m from the spray line, and <60% mortality at 12.19 and 15.24 m. The data suggest that the SR450 and Superhawk XP may be comparable sprayers for use with Bti to control mosquito larvae.
- Publication
Journal of the American Mosquito Control Association, 2014, Vol 30, Issue 3, p191
- ISSN
8756-971X
- Publication type
Article
- DOI
10.2987/14-6400R.1