title: Fate of thiodicarb and its metabolite methomyl in sandy loam soil under laboratory conditions.
abstract: Fate of thiodicarb and its major metabolite in sandy loam soil were studied by applying thiodicarb (Larvin 75 WP) at 500 and 1000 g a. i. ha(-1) under laboratory conditions. Samples drawn periodically were analysed on GC-FTD equipped with capillary column. The average initial deposits of total thiodicarb (thiodicarb and methomyl) were 0.025 and 0.035 mg kg(-1) at single and double dosages, respectively. Residues of thiodicarb reached below the determination level (BDL) of 0.005 mg kg(-1) after 15 days. Half-life periods for total thiodicarb were calculated to be 5.90 and 8.29 days at two doses, respectively, following first-order kinetics.
authors.affiliation: Department of Chemistry & Physics, CCS Haryana Agricultural University, Hisar, 125 004, India, sushmabisht107@gmail.com.
authors.forename: Sushma
authors.initials: S
authors.lastname: Bisht
authors.forename: Reena
authors.initials: R
authors.lastname: Chauhan
authors.forename: Beena
authors.initials: B
authors.lastname: Kumari
authors.forename: Rajvir
authors.initials: R
authors.lastname: Singh
mesh_terms: D004784:Environmental Monitoring; D006207:Half-Life; D007700:Kinetics; D007753:Laboratories; D008724:Methomyl / Q000032:analysis* / Q000378:metabolism; D012987:Soil / Q000737:chemistry; D012989:Soil Pollutants / Q000032:analysis* / Q000378:metabolism; D013859:Thiocarbamates / Q000032:analysis*
chemical_list: D012987:Soil; D012989:Soil Pollutants; D013859:Thiocarbamates; D008724:Methomyl; C027971:thiodicarb