Ecology, Environment and Conservation Paper

Vol 25, July Suppl. Issue, 2019; Page No.(S85-S90)

POTENTIAL OF INDONESIAN ENDEMIC MICROBIAL CONSORTIUM IN DEGRADING PROFENOFOS AND CHLORANTRANILIPROLE PESTICIDE IN EAST JAVA INDONESIA TO SUPPORT AGRICULTURAL ECOSYSTEMS

Mahanani Tri Asri, Yuliani, Tarsan Purnomo, Fida Rachmadiarti, Evie Ratnasari and Agoes Soegianto

Abstract

Synthetic pesticides on agricultural land were used by most Indonesian farmers, especially in soybean fields in East Java Indonesia especially in Jombang, Lamongan and Proboling go regency. The soil applied with these pesticides affected the diversity of bacteria and the physical and chemical properties of the soil.This study aimed to explore, to conduct potential test and antagonistic test, and to make a consortium of microbes that could degrade Profenofos and Chlorantraniliprole pesticides in East Java Indonesia to support agricultural ecosystems. This study was exploration and experimental study. Bacterial exploration was conducted on soybean fields in Jombang, Lamongan and Probolinggo. Potential test and antagonistic test were carried out using well diffusion method and pesticide degradation test was carried out using HPLC in house method. Results found 39 Profenofos degrading isolates and 30 Chlorantraniliprole degrading isolates.Bacterial consortium test found 10 Profenofos degrading isolates, 3 nitrogen fixing isolates, and 2 phosphate solvent isolates which could reduce Profenofos in the control, 0, 2 and 4 days incubation each at 100%,78.83%, 75.36% and 62.3% mg/kg and could decrease Chlorantraniliprole each by 100%, 88.46%, 74.36%,and 73.08% mg/kg. The biggest decrease occurred in the 4th day incubation.

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