Bacillus thuringiensis var. israelensis (Bti) provides residual control of Aedes aegypti in small containers
Ritchie, Scott A., Rapley, Luke P., and Benjamin, Seleena (2010) Bacillus thuringiensis var. israelensis (Bti) provides residual control of Aedes aegypti in small containers. American Journal of Tropical Medicine and Hygiene, 82 (6). pp. 1053-1059.
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We examined the use of megadoses of VectoBac WG for residual control of Aedes aegypti in 2-L plastic buckets. Doses of 10×, 20×, and 50× the recommended rate of 8 mg/L provided ≥ 90% control for 8, 8, and 23 weeks, respectively. There was no significant difference in mortality between dry (neat) or aqueous mixture of VectoBac WG. Pretreatment of dry containers up to 8 weeks before flooding did not significantly decrease efficacy through 11 success weeks. Thus, megadoses of dry formulations of Bti can be used for residual control of Ae. aegypti in small containers. Furthermore, these doses use small amounts of product (0.08–0.4 g/L) that is more practical to measure than the minute amounts (0.008 g/L) required by the recommended rate, and cost US$2.18 to treat 50 Cairns yards containing an average total of 80 containers. This method could also be used to control Aedes albopictus.
|Item Type:||Article (Refereed Research - C1)|
|Keywords:||dengue, Aedes aegypti, Bti|
|FoR Codes:||11 MEDICAL AND HEALTH SCIENCES > 1117 Public Health and Health Services > 111799 Public Health and Health Services not elsewhere classified @ 100%|
|SEO Codes:||92 HEALTH > 9204 Public Health (excl. Specific Population Health) > 920499 Public Health (excl. Specific Population Health) not elsewhere classified @ 100%|
|Deposited On:||07 Apr 2011 14:10|
|Last Modified:||13 Jun 2013 01:38|
Last 12 Months: 4
|Citation Counts with External Providers:||Web of Science: 4|
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