Asian Journal of Microbiology, Biotechnology & Environmental Sciences Paper

Vol 18, Issue 4, 2016; Page No.(839-846)

BIODEGRADATION OF PESTICIDES MALATHION AND PROFENOFOS THE LAKE WATERS RAWA PENING BY BACTERIA CONSORTIUM OCEANOBACILLUS IHEYENIS - EXIQUOBACTERIUM PROFUNDUM AND OCEANOBACILLUS IHEYENIS - EXIQUOBACTERIUM PROFUNDUM

S. ISWORO, PURWANTO, AND A.SABDONO

Abstract

Organophosphate pesticide pollution due to excessive use mainly by Malathion and Profenofos on the lake Rawa Pening, have attracted the attention of district governments Semarang, Indonesia. Therefore we need a solution to overcome them. The discovery of indigenous bacteria consortium Exiguobacterium profundum / Oceanobacillus iheyenis and Exiguobacterium profundum/Bacillus form is is one of the best solutions in overcoming pollution from pesticide application. The study was conducted by Gas Chromatography and Mass Specthrophotometry in experimental laboratories. Biodegradation test results known by real time and area percentage of Malathion and Profenofos which is the result of bacterial degradation test consortium. Observations were made at time 0 hours, 96 hours and 192 hours, by detecting the presence of compounds Malathion (Butanedioic Acid [(Dimethoxyphosphinothioyl)-Thio]-, Diethyl Ester) and Profenofos (O- (4-Bromo-2-Chlorophenyl)-O'-Ethyl Ester of Propylthio-Phosphoric Acid) at any time hours observation. Bacterial consortium Exiguobacterium profundum/Oceanobacillus iheyenis has the best degradation ability on malathion contained in lake sediments Rawapening, with the rate of degradation for 96 hours, real-time data and the area percentage of pesticides tested was not detected, while the bacterial consortium Exiguobacterium profundum / Bacillus form is has the best ability at profenofos degradation in sediments Rawa Pening for 96 hours, in this position real-time data and the area percentage of pesticides tested was not detected. The discovery of indigenous bacteria consortium of waters Rawa Pening which have the ability degradation is a good step in the development of bacterial bioremediation technology.

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