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Dissipation dynamic of quintrione in rice plants and terminal residue in rice straw, grain and soil
high-performance liquid chromatography-tandem mass spectrometry dissipation dynamic quintrione rice plant soil residue
2020/4/20
二氯喹啉草酮是经中国农业农村部批准登记的茎叶处理除草剂，迄今为止对其潜在的环境污染尚未见报道。本研究建立了一种采用QuEChERS前处理方法结合高效液相色谱-串联三重四极杆质谱 (HPLC-MS/MS) 联用技术检测二氯喹啉草酮在水稻植株、稻谷和土壤中残留的方法，并采用该方法测定了二氯喹啉草酮在水稻植株中的消解动态和最终残留。结果表明：二氯喹啉草酮的进样质量浓度与其峰面积间呈良好的线性相关，R2>...
Effect of acetochlor and carbofuran on soil nematode communities in a Chinese soybean field
Soil nematode community structure acetochlor carbofuran soybean field
2011/1/12
A field experiment was conducted at the Shenyang experimental station of ecology, Northeast China, to determine the response of soil nematode communities to agrochemical applications. Four treatments ...
Assessing the Side-Effects of Pesticides on the Microbial Ecosystem in the Soil Environment
soil environment microbial flora microbial activity ecological risk assessment rice paddy
2009/3/7
Assessing the Side-Effects of Pesticides on the Microbial Ecosystem in the Soil Environment.
Degradation of Ipconazole by Microorganisms Isolated from Paddy Soil
degradation metabolite ipconazole triazole fungicide soil microorganism
2009/3/7
Ipconazole is a triazole fungicide for treating rice seed. In the present study, degradation of ipconazole by isolated microorganisms from paddy soil was investigated. To enrich the degraders, the...
Evaluation of Pesticide Effects on Microbial Communities in a Paddy Soil Comparing with That Caused by Soil Flooding
paddy soil Biolog microbial community structure carbon substrate utilizing activity risk assessment of pesticide
2009/3/7
The effect of a herbicide Zark D51 (ZD, 4.5% daimuron and 0.51% bensulfuron methyl) powder and a fungicide Fuji-One Moncut (MC, 12.0% isoprothiolane and 7.0% flutolanil) powder on microbial communit...
Aerobic Aquatic Soil Metabolism of Pesticides in Water- and Sediment-Spiked Systems
biodegradation water-sediment system fenitrothion diethofencarb TOXSWA simulation
2009/3/7
The metabolism of fenitrothion and diethofencarb in aerobic aquatic soil was examined following either water or sediment application. The more hydrophobic fenitrothion rapidly distributed from water...
Residue Analysis of the Fungicide Benthiavalicarb-isopropyl and Its Degradation Products in Upland Field Soil
benthiavalicarb-isopropyl degradation products analytical method in soil HPLC
2009/3/6
A method for residue analysis of benthiavalicarb-isopropyl, its diastereomer, and its four degradation products in soil by HPLC was established. The method of extraction under reflux with a mixture ...
Dieldrin Residue in the Soil and Cucumber from Agricultural Field in Tokyo
dieldrin residue soil cucumber
2009/3/5
Soil samples were obtained from 814 farms in Tokyo in 2002. Dieldrin residue was detected in 85 soil samples at concentrations ranging from 0.01 ppm to 2.6 ppm. The residual amount in 70% of dieldri...
Aerobic metabolism and adsorption of pyrethroid insecticide imiprothrin in soil
imiprothrin soil metabolism soil adsorption
2009/3/5
Imiprothrin, a unique type of pyrethroid having an imidazolidinyl ring in its alcohol moiety, was rapidly degraded in two aerobic U.S. soils. The half-lives of biologically active trans isomer were ...
Aerobic metabolism and adsorption of pyrethroid insecticide metofluthrin in soil
metofluthrin soil metabolism soil adsorption
2009/3/5
Metofluthrin [2,3,5,6-tetrafluoro-4-(methoxymethyl)benzyl (1R,3R)-2,2-dimethyl-3-((1EZ)-prop-1-enyl)cyclopropanecarboxylate] was rapidly degraded in two aerobic US soils with first-order half-lives of...
Improvement of ELISA analysis for soil residue analysis by reducing soil matrix effects
ELISA fenitrothion soil matrix synthetic zeolite
2009/3/5
Improvement of the commercially available fenitrothion-ELISA kit for soil residue analysis was examined. Recovery trials were conducted with 5 soils spiked at 0.5 μg/g soil. Interference of soil mat...
Application of commercially available fenitrothion-ELISA kit for soil residue analysis
ELISA fenitrothion soil matrix
2009/3/5
A commercially available fenitrothion-ELISA kit, designed for residue analysis of crop samples, was applied in a method development study using 10 different soils spiked with the target pesticide. R...