Results 151 to 160 of about 687 (182)
The effect of acifluorfen and trifluralin on the size of microbial biomass in soil
Science of the Total Environment, 1992 The large utilization of pesticides in modern agriculture can seriously interfere with the biological processes taking place in soils. This paper studied the effects of two herbicides, trifluralin and acifluorfen, on the respiration and on the size ...
Stefano Dumontet
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Adsorption of the herbicide acifluorfen on humic acids
Science of The Total Environment, 1992Abstract In this study, the sorptive capabilities of two humic acids for removing the acifluorfen from herbicide solutions were evaluated. Various experiments at constant pH (3.5, 5.0, 7.0) and constant humic acid concentration but variable acifluorfen concentration were used to prepare plots representative of the adsorption of the herbicide by humic
RUGGIERO P. +3 more
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The Interaction of Acifluorfen and Bentazon in Herbicidal Combinations
Weed Science, 1987Acifluorfen {5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoic acid} and bentazon [3-(1-methylethyl)-(1H)-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxide] were applied singly, in combination at various rates, with and without a crop oil concentrate to common lambsquarters (Chenopodium albumL. # CHEAL), redroot pigweed (Amaranthus retroflexusL. # AMARE)
Veldon M. Sorensen +2 more
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Resistance to the herbicide acifluorfen
Trends in Plant Science, 2000The first wave of herbicide resistant crops included those with resistance to glyphosate, glufosinate and bromoxynil, representing three different modes of action: disrupting aromatic amino acid biosynthesis, ammonium assimilation and photosynthesis.
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Effects of acifluorfen-methyl on cucumber cotyledons: Porphyrin accumulation
Pesticide Biochemistry and Physiology, 1988Abstract The nitrodiphenyl ether herbicide acifluorfen-methyl and the pyridine derivative LS 82-556 induce porphyrin accumulation in green cucumber cotyledons. When experiments are done with intact plants absorbing the herbicide through the roots, that accumulation is light-dependent.
Matringe, Michel, Scalla, R.
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Extractable and Nonextractable (Bound) Residues of Acifluorfen in an Organic Soil
Journal of Agricultural and Food Chemistry, 1997Acifluorfen (AC), 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoic acid, was applied to an organic soil at 220 mg kg-1 in a laboratory incubation study. A conventional extraction method with solvents and supercritical fluid extraction (SFE) were used to evaluate extractable and nonextractable (bound) residues of AC and its metabolites in the soil.
CELI, Luisella Roberta +3 more
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Mechanisms of Acifluorfen Interaction with Humic Acid
Soil Science Society of America Journal, 1997Abstract The interaction of the herbicide acifluorfen (AC; 5‐[2‐chloro‐4‐(trifluoromethyl)phenoxy]2‐nitrobenzoic acid) with a humic acid (HA) extracted from an undisturbed Ah horizon of a Haploboroll, was studied at different pHs. Both the HA and AC were methylated to determine the possible role of O‐containing functional groups in ...
Luisella Celi +3 more
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Effect of Soil Properties on Adsorption and Desorption of Acifluorfen
Journal of Agricultural and Food Chemistry, 1994The adsorption and subsequent desorption of acifluorfen were investigated in five soils of various physical and chemical properties. The adsorption and desorption of acifluorfen were essentially dependent upon pH, organic carbon content, and ammonium oxalate extractable iron content of the soil but not on clay content.
Mara Gennari +2 more
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Adsorption of the Herbicide Acifluorfen on Soil Humic Acids
Journal of Agricultural and Food Chemistry, 1996The amount of acifluorfen adsorbed on eight soil humic acids has been determined in a pH range from 1.6 to 6 at the initial concentration of 40 mg L-1 using a batch equilibrium method. Most of the adsorption took place between pH 2.5 and 3.5. More than 70% acifluorfen was adsorbed at pH 4.5, indicating that adsorption was promoted by the protonation ...
CELI, Luisella Roberta +2 more
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