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Showing 1-30 of 31 results for "36165" within Papers
Celia Maqueda et al.
Journal of agricultural and food chemistry, 57(8), 3273-3278 (2009-04-17)
Metribuzin (MTB) is a herbicide widely used for weed control in growing soybeans and other crops and has been identified in many parts of the world as a groundwater contaminant. To prepare controlled-release formulations (CRFs) of MTB, it was entrapped
Helena Modra et al.
Neuro endocrinology letters, 29(5), 669-674 (2008-11-07)
Effects of metribuzin on biochemical and haematological indices, induction of specific biomarkers and impacts on biometric parameters of Cyprinus carpio were investigated for subchronic conditions. Juvenile fish were exposed to 0.175 mg.L-1 or 1.75 mg.L-1 metribuzin for 28 days. Haematological
Celia Maqueda et al.
Journal of agricultural and food chemistry, 56(24), 11941-11946 (2008-12-05)
Metribuzin is an herbicide widely used for weed control that has been identified as a groundwater pollutant. It contaminates the environment even when it is used according to the manufacturer's instructions. To reduce herbicide leaching and increase weed control, new
Jitendra Kumar et al.
Bulletin of environmental contamination and toxicology, 85(3), 357-361 (2010-08-03)
Controlled release formulations of metribuzin in polyvinyl chloride, (emulsion); carboxy methyl cellulose, CMC and carboxy methyl cellulose- kaolinite composite, CMC-KAO are reported. The MET-CMC-KAO-3 (T(9)) formulation provided a superior control (76.1%) of weeds in field grown wheat in comparison to
Jitendra Kumar et al.
Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes, 45(4), 330-335 (2010-04-20)
Controlled release (CR) formulations of metribuzin in Polyvinyl chloride [(PVC) (emulsion)], carboxy methyl cellulose (CMC), and carboxy methyl cellulose-kaolinite composite (CMC-KAO), are reported. Kinetics of its release in water and soil was studied in comparison with the commercial formulation (75
Viktor V Husak et al.
Aquatic toxicology (Amsterdam, Netherlands), 155, 181-189 (2014-07-19)
Molecular mechanisms of toxicity by the metribuzin-containing herbicide Sencor to living organisms, particularly fish, have not yet been extensively investigated. In the present work, we studied the effects of 96 h exposure to 7.14, 35.7, or 71.4 mg L(-1) of
Jasmin Shah et al.
Environmental monitoring and assessment, 178(1-4), 111-119 (2010-09-09)
A method for the determination of herbicides residues, triazine (atrazine, metribuzin, ametryn, and terbutryn), in soil samples with high-performance liquid chromatography (HPLC)-UV detection is described. The proposed method is based on microwave-assisted extraction (MAE) of soil samples for 4 min
Martin Hostovsky et al.
Neuro endocrinology letters, 33 Suppl 3, 124-129 (2013-01-29)
This work assessed the subchronic effects of the triazine compounds terbuthylazine and metribuzin on embryo-larval stages of common carp (Cyprinus carpio L.) using biotransformation enzyme and selected oxidative stress parameters. Early developmental stages of fish, from embryo to larvae, were
Neera Singh et al.
Ecotoxicology and environmental safety, 97, 236-241 (2013-08-27)
Field evaluation of two fly ashes (40t/ha) on persistence, mobility and bioactivity of metribuzin and metsulfuron-methyl was studied in soybean and wheat crops, respectively. Metribuzin was applied as pre-emergence at 0.5kg/ha, while metsulfuron-methyl was applied post-emergence at 8g/ha. Results suggested
Annette E Rosenbom et al.
Environmental science & technology, 43(9), 3221-3226 (2009-06-19)
In a regulatory context, numerical models are increasingly employed to quantify leaching of pesticides and their metabolites. Although the ability of these models to accurately simulate leaching of pesticides has been evaluated, little is known about their ability to accurately
Effect of soil amendments on sorption and mobility of metribuzin in soils
Majumdar K and Singh N
Chemosphere, 66(4), 630-637 (2007)
John Oliver L Delancey et al.
Annals of epidemiology, 19(6), 388-395 (2009-04-17)
Little is known about the potential carcinogenicity of the triazinone herbicide metribuzin. We evaluated the association between metribuzin use and cancer risk in the Agricultural Health Study, a prospective cohort study of licensed pesticide applicators in Iowa and North Carolina.
Ouzna Oukali-Haouchine et al.
Environmental monitoring and assessment, 185(5), 4107-4115 (2012-08-30)
Metribuzin is a widely used herbicide around the world but it could lead to soil and water contamination. Metribuzin retention on a silty-clay agricultural soil of Algeria was studied in laboratory batch experiments to assess the contamination risk of the
E Mechant et al.
Communications in agricultural and applied biological sciences, 75(2), 83-90 (2010-01-01)
Sugar beet growers in Europe are more often confronted with an unsatisfactory control of Chenopodium album L. (fat-hen), possibly due to the presence of a triazinone resistant biotype. So far, two mutations on the psbA-gene, i.e. Ser264-Gly and Ala251-Val, are
Devadhas Arul Dhas et al.
Journal of molecular modeling, 18(8), 3587-3608 (2012-02-22)
NIR FT-Raman, FTIR and UV-vis spectra of the herbicide metamitron were recorded and analyzed. The aromaticities, equilibrium geometries, bonding features, electrostatic potentials, and harmonic vibrational wavenumbers of the monomers and dimers of triazinone derivatives were also investigated with the aid
Valérie Pot et al.
Pest management science, 67(4), 397-407 (2011-03-12)
Mobility of pesticides in soils is often evaluated and characterised in the surface soil layers rather than at different depths where soil characteristics such as soil organic matter, microbial biomass or clay contents can strongly change pesticide behaviour. The objective
Neera Singh et al.
Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes, 48(7), 587-592 (2013-04-16)
Metribuzin, a triazine herbicide, is poorly sorbed in the soils, therefore leaches to lower soil profile. Fly ash amendment, which enhanced metribuzin sorption in soils, may play a significant role in reducing the downward mobility of herbicide. Therefore, the present
M S Fountoulakis et al.
Waste management (New York, N.Y.), 30(1), 41-49 (2009-09-29)
The fate and effect of the herbicides linuron and metribuzin on the co-composting of sewage sludge and green waste were addressed in this work. The experiments were conducted in metal cubic containers of 1.0m(3) volume simulating a windrow composting system.
Manuel Fernández-Pérez et al.
Environmental pollution (Barking, Essex : 1987), 158(5), 1412-1419 (2010-02-06)
The herbicides chloridazon and metribuzin, identified as groundwater pollutants, were incorporated in lignin-based granules with different sizes to obtain controlled release formulations (CRFs) and reduce water pollution risk. Kinetics release tests in water and soil showed that the release rate
J Aper et al.
Communications in agricultural and applied biological sciences, 73(4), 939-944 (2009-02-21)
Recently, fat-hen (Chenopodium album L.) biotypes resistant to metamitron, a key herbicide in sugar beet, were recorded. Pot experiments revealed that these biotypes showed cross-resistance to metribuzin, a triazinone used in potato. Greenhouse and laboratory experiments were performed to develop
Neera Singh et al.
Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes, 47(2), 89-98 (2012-01-19)
This investigation was undertaken to determine the effect of two different fly ashes [Kota and Inderprastha (IP)] amendment on the sorption behavior of metribuzin in three Indian soil types. The IP fly ash was very effective in increasing the metribuzin
J Velisek et al.
Bulletin of environmental contamination and toxicology, 82(4), 492-495 (2009-01-23)
The aim of the study was to evaluate acute toxic effects of the preparation Sencor 70 WG (metribuzin 70% W/V) on hematological, biochemical indices and histology of the common carp (Cyprinus carpio L.). In carp exposed for 96 h to
Tomás Undabeytia et al.
Pest management science, 67(3), 271-278 (2011-02-11)
Metribuzin is a widely used herbicide that has been identified as a groundwater contaminant. In this study, slow-release formulations of metribuzin were designed by encapsulating the active ingredient in phosphatidylcholine (PC) vesicles and adsorbing the vesicles onto montmorillonite. The maximum
Munees Ahemad et al.
Bulletin of environmental contamination and toxicology, 86(4), 384-388 (2011-03-02)
The aim of this study was to investigate the toxicity of herbicides (metribuzin and glyphosate), insecticides (imidacloprid and thiamethoxam) and fungicides (hexaconazole, metalaxyl and kitazin) at the recommended and the higher dose rates on plant growth promoting activities of Bradyrhizobium
Lucie Plhalova et al.
TheScientificWorldJournal, 2012, 728189-728189 (2012-07-14)
The aim of this study was to assess the impact of metribuzin in surface waters on fish under experimental conditions. The effects of subchronic exposure to metribuzin on fish growth and the development of histopathological changes in selected organs (gill
Neera Singh et al.
Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes, 48(2), 108-113 (2013-01-12)
This study reports the effect of fly ash amendment on persistence of metribuzin in three Indian soil types. Fly ash [Inderprastha (IP) and Kota] was amended at 1, 2 and 5% levels. Metribuzin was more persistent in the flooded soils
M Lürling
Chemosphere, 82(3), 411-417 (2010-10-26)
Active growth is a prerequisite for the formation of grazing-protective, mostly eight-celled colonies by the ubiquitous green alga Scenedesmus in response to chemical cues from zooplankton. Colonies can also be evoked by chemically quite similar manmade anionic surfactants, such as
Munees Ahemad et al.
Acta microbiologica et immunologica Hungarica, 58(3), 169-187 (2011-10-11)
The study was designed to assess the effect of selected pesticides (metribuzin, glyphosate, imidacloprid, thiamethoxam, hexaconazole, metalaxyl and kitazin) at the recommended and higher rates on plant growth promoting activities of Pseudomonas aeruginosa strain PS1 isolated from mustard (Brassica compestris)
Shigemi Kai et al.
Shokuhin eiseigaku zasshi. Journal of the Food Hygienic Society of Japan, 52(1), 28-33 (2011-03-09)
A method for simultaneous determination of metribuzin (MET) and three metribuzin metabolites in livestock products and seafoods by liquid chromatography-tandem mass spectrometry (LC-MS/MS) was developed. MET and its metabolites were extracted from a sample with acetonitrile, followed by InertSepC18 and
Effect of metribuzin, butachlor and chlorimuron-ethyl on amino acid and protein formation in wheat and maize seedlings
Alla N.M.M, et al.
Pesticide Biochemistry and Physiology, 90(1), 8-18 (2008)
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