Results 181 to 190 of about 1,925 (205)

Factors affecting metamitron activity

2016
A series of pot experiment were conducted to study the impact of growth stage on metamitron efficacy. Eight weed species were grown outdoors and metamitron was applied at the cotyledon stage, cotyledon with emerging true leaves, 2-leaf and 4-leaf stage.
Mathiassen, Solvejg K, Kudsk, Per
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Behaviour of metamitron and hydroxy‐chlorothalonil in low‐humic sandy soils

Pesticide Science, 1999
The behaviour of the herbicide metamitron and of the main transformation product, hydroxy-chlorothalonil (HTI), of the fungicide chlorothalonil was studied to assess the risk of leaching from low-humic sandy soil. The adsorption of metamitron corresponded to a Kom value of about 60 dm3 kg−1 (moderate adsorption).
van der Pas, L.J.T., Matser, A.M., Boesten, J.J.T.I., Leistra, M.   +3 more
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Field Dissipation of Metamitron in Soil and Sugar Beet Crop

Bulletin of Environmental Contamination and Toxicology, 2012
Bioaccumulation of herbicides in plant produce may cause ailing effect on animals and human beings through food chain contamination. Thus oblige the investigation of newer herbicide metamitron for its persistence and degradation in sugar beet crop and soil. Metamitron persist in plant up to 15 days while up to 30 days in soil.
P, Janaki, S, Rathika, C, Chinnusamy, N K, Prabhakaran   +3 more
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Adsorption‐leaching study of the herbicides metamitron and chloridazon

Pesticide Science, 1991
AbstractFreundlich isotherms were obtained for the adsorption equilibrium of the herbicides metamitron and chloridazon with the components of a representative soil in a pesticide concentration range of 10‐1000 γg ml−1 for metamitron and 10‐500 μg ml−1 for chloridazon.The mobility of these herbicides through soil columns was also studied using the ...
M. AráNzazu Goicolea, Juan F. Arranz, Ramón J. Barrio, Zuriñe Gómez de Balugera   +3 more
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Determination and Method Validation of Metamitron in Soil by RP-HPLC

Bulletin of Environmental Contamination and Toxicology, 2013
A simple, rapid and economical method was developed and validated for the determination of metamitron using UV detector with RP-HPLC. Study of metamitron in soil was carried out. The compound was extracted from soil by methanol and clean-up was done on C-18 SPE column.
Satyendra, Kumar, Shishir, Tandon, N K, Sand   +2 more
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IMPACT OF METAMITRON AS A THINNING COMPOUND ON APPLE PLANTS

Acta Horticulturae, 2014
Crop load regulation in modern apple fruit growing is an essential tool for obtaining regular and high quality yields. Common applied thinning products in Italy, such as naphthaleneacetic acid (NAA), naphtaleneacetamide (NAD), benzyladenine (BA), 2-chloroethylphosphonic acid (ethephon) and ammonium thiosulphate (ATS), do not always give satisfactory ...
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Adsorption of 1,2,4-triazine pesticides metamitron and metribuzin on lignin

Microchemical Journal, 2000
The 1,2,4-triazine pesticides, metamitron [4-amino-3-methyl-6-phenyl-1,2,4-triazin-5(4H)-one] and metribuzin [4-amino-3-methylthio-6-tert-butyl-1,2,4-triazin-5(4H)-one] are adsorbed on lignin. The adsorption can be followed by measuring polarographically the concentration of the free pesticide in a slurry, obtained by dispersing rot-wood lignin in an ...
Jiřı́ Ludvı́k, Petr Zuman
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EFFICACY OF METAMITRON IN APPLE THINNING IN SERBIA.

Communications in agricultural and applied biological sciences, 2016
The thinning of fruits is a required pomotechnical measure in intensive fruit production which ensures the production of good quality fruits and high yields. Metamitron, known as inhibitor of photosynthesis, has been successfully used in the thinning of apple fruits.
M, Stevanovic, N, Dolovac, D, Marisavljevic, A, Andjelkovic, L, Radivojevic, G, Aleksic, V, Gavrilovic   +6 more
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Interaction of metamitron and metolachlor with organic and inorganic smectites

Toxicological & Environmental Chemistry, 1996
To obtain useful data for the interpretation of the adsorption results in pesticide‐clay‐water systems a study of the interaction of the herbicides metamitron and metolachlor with montmorillonite saturated with inorganic cations and trimethylalkylammonium cations using x‐ray diffraction (XRD) and infrared spectroscopy (IR) was performed.
M. Sanchez‐Camazano, M. J. Sanchez‐Martin   +1 more
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Oxygen dependence in the photoreaction of the pesticide metamitron

Journal of Photochemistry and Photobiology A: Chemistry, 2017
Abstract The dependence of the quantum yield of metamitron on oxygen concentration in the range c O 2  = (0.005–12.6)· 10 −4  M in aqueous solution was investigated with a polychromatic Xe-light source in the wavelength region 270–376 nm. The quantum yield of Φ = 0.022 ± 0.002 mol mol −1 at T  = (293 ± 3) K and c O 2 = 2.8
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