Abstract:
:Degradation of flubendiamide as affected by microbial population count in two Indian soils (red and alluvial) varying in physicochemical properties was studied under sterile and non-sterile conditions. Recovery of flubendiamide in soil was in the range of 94.7-95.9 % at 0.5 and 1.0 μg g(-1), respectively. The DT50 of flubendiamide at the level of 10 μg g(-1) in red soil under sterile and non-sterile conditions was found to be 140.3 and 93.7 days, respectively, and in alluvial soil under sterile and non-sterile condition was 181.1 and 158.4 days, respectively. Residues of flubendiamide dissipated faster in red soil (non-sterile followed by sterile) as compared to alluvial (non-sterile soil followed by sterile soil). A wide difference in half-life of red and alluvial soil under sterile and non-sterile conditions indicated that the variation in physicochemical properties of red and alluvial soil as well as the presence of microbes play a great role for degradation of flubendiamide. The results revealed that slower-degrading alluvial soil possessed microbes with degradative capacity. The degradation rate in this soil was significantly reduced by some of its physicochemical characteristics, despite sterile and non-sterile conditions, which was faster in red soil.
journal_name
Environ Monit Assessjournal_title
Environmental monitoring and assessmentauthors
Das SK,Mukherjee Idoi
10.1007/s10661-013-3611-7subject
Has Abstractpub_date
2014-05-01 00:00:00pages
3213-9issue
5eissn
0167-6369issn
1573-2959journal_volume
186pub_type
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