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1 September 2006 Mosquito Larvicidal Effectiveness of EcoBio-Block® S: A Novel Integrated Water-Purifying Concrete Block Formulation Containing Insect Growth Regulator Pyriproxyfen
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Abstract

EcoBio-Block® S, a novel controlled release system (CRS) for the insect growth regulator pyriproxyfen, uses a water-purifying concrete block system (EcoBio-Block) composed of a porous volcanic rock and cement, and it incorporates the aerobic bacterial groups of Bacillus subtilis natto. EcoBio-Block S showed high inhibitory activity against mosquito emergence as well as a water-purifying effect. Chemical analysis and bioassay showed that EcoBio-Block S provides a high-performance CRS that controls the release of pyriproxyfen at low levels according to “zero order kinetics.”

Hitoshi Kawada, Susumu Saita, Kozue Shimabukuro, Masachika Hirano, Masayuki Koga, Toshiaki Iwashita, and Masahiro Takagi "Mosquito Larvicidal Effectiveness of EcoBio-Block® S: A Novel Integrated Water-Purifying Concrete Block Formulation Containing Insect Growth Regulator Pyriproxyfen," Journal of the American Mosquito Control Association 22(3), 451-456, (1 September 2006). https://doi.org/10.2987/8756-971X(2006)22[451:MLEOES]2.0.CO;2
Published: 1 September 2006
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