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1 June 2007 FIELD TRIALS WITH TANK MIXTURES OF BACILLUS THURINGIENSIS SUBSP. ISRAELENSIS AND BACILLUS SPHAERICUS FORMULATIONS AGAINST CULEX PIPIENS LARVAE IN SEPTIC TANKS IN ANTALYA, TURKEY
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Abstract

Efficacy of tank mixtures of commercial Bacillus thuringiensis subsp. israelensis (Bti) and Bacillus sphaericus (Bs) water-dispersable granule (WDG) formulations was evaluated in septic tanks, against Culex pipiens L. (Diptera: Culicidae) larvae. VectoLex® WDG (Bs) VectoBac® WDG (Bti) were evaluated at various ratios from 488 g/ha VectoLex 250 g/ha VectoBac up to 3,000 g/ha of each. All applications and ratios delivering VectoLex WDG at a rate equal to or greater than 988 g/ha provided more than 90% control for 28 days after treatment. The lowest dose provided this level of control for at least 7 days after treatment, with greater than 80% control after 2 wk. These results suggest that a retreatment interval of 2 wk is recommended with the lowest dose and retreatment intervals of 4 or more wk are recommended with the doses equal to or higher than 988 g/ha VectoLex 250 g/ha VectoBac.

HUSEYIN CETIN, PETER DECHANT, and ATILA YANIKOGLU "FIELD TRIALS WITH TANK MIXTURES OF BACILLUS THURINGIENSIS SUBSP. ISRAELENSIS AND BACILLUS SPHAERICUS FORMULATIONS AGAINST CULEX PIPIENS LARVAE IN SEPTIC TANKS IN ANTALYA, TURKEY," Journal of the American Mosquito Control Association 23(2), 161-165, (1 June 2007). https://doi.org/10.2987/8756-971X(2007)23[161:FTWTMO]2.0.CO;2
Published: 1 June 2007
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