Dissipation Study of Dimethoate, Ethion and OxydemetonMethyl in Chilli

Thania Sara Varghese; Thomas Biju Mathew; Thomas George

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Dissipation Study of Dimethoate, Ethion and OxydemetonMethyl in Chilli

机译：辣椒中乐果，乙硫醇和羟甲基的耗散研究

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The dissipation of dimethoate 30 EC (300 g a.i.ha~(-1)), ethion 50 EC (375 g a.i.ha~(-1)), oxydemeton-mefhyl 25 EC (500 g a.i.ha~(-1)) were studied on chilli for estimation of its half life (T_(1/2)) and waiting period (T_(MRL/TOL)). Quantification of residues was done on Gas Liquid Chromatography (GLC) equipped with Ni~(63) electron capture detector (ECD) for dimethoate and ethion where as oxydemeton methyl residues were estimated on Gas Chromatography- Mass Spectrometry (GC-MS). The residues of the three insecticides persisted up to fifteen days and were below detectable level (BDL) on the twentieth day of spraying. From the dissipation data, the half life (T_(1/2)) values of dimethoate, ethion and oxydemeton methyl were calculated as 1.94, 3.43 and 4 d respectively. A waiting period of 13.63, 28 and 7 d were calculated for dimethoate, ethion and oxydemeton methyl on chilli.

机译：消灭了乐果30 EC（300 g aiha〜（-1）），乙硫磷50 EC（375 g aiha〜（-1）），羟甲基甲羟25 EC（500 g aiha〜（-1））。对辣椒进行了研究，以估计其半衰期（T_（1/2））和等待时间（T_（MRL / TOL））。残留物的定量在配备有Ni〜（63）电子捕获检测器（ECD）的乐果和乙炔的气相色谱仪（GLC）上进行，其中在气相色谱质谱法（GC-MS）上估计了氧化烯甲基残留量。三种杀虫剂的残留持续到十五天，并在喷雾的第二十天低于可检测水平（BDL）。根据耗散数据，乐果，乙硫醇和甲基氧代甲基的半衰期（T_（1/2））值分别计算为1.94、3.43和4 d。辣椒上的乐果，乙硫磷和氧代甲基甲基的等待时间为13.63、28和7天。

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《Pesticide Research Journal》 |2011年第1期|共6页
作者
Thania Sara Varghese; Thomas Biju Mathew; Thomas George;
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正文语种 eng
中图分类植物保护;
关键词
Dissipation; half life; waiting period;

机译：耗散;半衰期;等待期;

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1. Dissipation Study of Dimethoate, Ethion and OxydemetonMethyl in Chilli [J] . Thania Sara Varghese, Thomas Biju Mathew, Thomas George Pesticide Research Journal . 2011,第1期

机译：辣椒中乐果，乙硫醇和羟甲基的耗散研究
2. Dissipation of Ethion and Chlorpyriphos Residues in/on Chilli (Capsicum Annum L.) [J] . PB Mahalingappa, KD Reddy, KN Reddy Pesticide Research Journal . 2006,第1期

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3. A Fast and Easy QuEChERS-DLLME Method Combined with GC-MS for Ethion and Bifenthrin Residues Determination and Study of Their Dissipation Dynamics in Palm Dates [J] . Ghani Sherif B. Abdel, Alhewairini Saleh S., Hrouzkova Svetlana Food analytical methods . 2018,第12期

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4. Quantification of phosphorothioate pesticides in Indian Red Chilli sub Chilli at sub ppb concentration using negative ionization APCI technique [C] . Arvind Thyagarajan, Saravanan Subramaniyan, Raman Palvannanathan, American Society for Mass Spectrometry Conference on Mass Spectrometry and Allied Topics . 2013

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6. Dissipation Pattern Processing Factors and Safety Evaluation for Dimethoate and Its Metabolite (Omethoate) in Tea (Camellia Sinensis) [O] . Rong Pan, Hong-Ping Chen, Ming-Lu Zhang, -1

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7. Dissipation Pattern of Chlorpyriphos, Cypermethrin, Ethion, Profenophos and Triazophos in Curry Leaf [O] . shashi vemuri 2016

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8. Comparative Disappearance of Dioxathion, Malathion, Oxydemetonmethyl and Dialifor from Florida Citrus Leaf and Fruit Surfaces [R] . Nigg, H. N. , Stamper, J. H. 1981

机译：来自佛罗里达柑橘叶和果实表面的二氧化物，马拉硫磷，氧化十八甲基和二倍体的比较消失

Dissipation Study of Dimethoate, Ethion and OxydemetonMethyl in Chilli

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