Systemic Fungicidal Activity of 1,4-Oxathiin Derivatives

Schmeling, B. Von; Kulka, Marshall

doi:10.1126/science.152.3722.659

Cited by 171 publications

(60 citation statements)

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“…It is used as a chemical agent for seed treatments of wheat, barley, peanut, flax, and cotton prior to planting [4][5][6]. Long-term ingesting of food and drinking water contaminated with the oxycarboxin, as well as dermal contact with Oxy-treated seeds and soils, and inhalation of this pesticide vapor causes toxic effects, primarily damaging liver and kidney.…”

Section: Introductionmentioning

confidence: 99%

An application of a glassy carbon electrode and a glassy carbon electrode modified with multi-walled carbon nanotubes in electroanalytical determination of oxycarboxin

Leniart

Brycht

Burnat

et al. 2018

Ionics

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An electrochemical procedure for the quantitative determination of oxycarboxin at a glassy carbon electrode (GCE) and a glassy carbon electrode modified with multi-walled carbon nanotubes (GCE/MWCNTs) based on square wave adsorptive stripping voltammetry (SWAdSV) is presented for the first time. The effect of an amplitude (E SW ), a frequency ( f ), a step potential (ΔE s ), an accumulation potential (E acc ) and time (t acc ), and equilibration time (t eq ) was investigated. The best analytical signal was obtained in the medium of sulfuric acid on both electrodes. Under optimal analytical conditions, the linear ranges of Oxy concentrations 8.0 × 10 −6 -5.0 × 10 −5 mol L −1 with limit of detection of 2.0 × 10 −6 mol L −1 for bare GCE and 6.0 × 10 −6 -9.0 × 10 −5 mol L −1 with limit of detection of 1.1 × 10 −6 mol L −1 for GCE/MWCNTs were obtained. To investigate the utility of the proposed method for the determination of oxycarboxin in real samples, a quantitative determination of Oxy was performed in spiked river water samples. The electrode processes of oxycarboxin oxidation were studied by cyclic voltammetry (CV) at both electrodes. The surface characterization of bare GCE and GCE/MWCNTs was evaluated with an atomic force microscopy (AFM) and a scanning electron microscopy (SEM).

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Section: Introductionmentioning

confidence: 99%

An application of a glassy carbon electrode and a glassy carbon electrode modified with multi-walled carbon nanotubes in electroanalytical determination of oxycarboxin

Leniart

Brycht

Burnat

et al. 2018

Ionics

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“…Its chemical name is 5,6-dihydro-2-methy-N-phenyl-1,4-oxathin-3-carboxamlide. It is applied in the seed treatment of wheat, barley, peanut, sorghum, flax and cotton prior to planting and used in combination with other pesticides like imidacloprid to prevent the formation of plant diseases or to cure existing diseases [1,2].…”

Section: Introductionmentioning

confidence: 99%

Low-temperature heat capacity and thermodynamic properties of crystalline carboxin (C12H13NO2S)

et al. 2004

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“…The first chemicals reported to exhibit systemic fungicidal activity towards the loose smut fungi were carboxins (1,4-oxathiin derivatives) (von Schmeling & Kulka, 1966), marketed as 'Vitavax' and 'Plantvax' (Edgington et al, 1966). The success of carboxins against loose smut led to the introduction of several carboxamide seed dressings including fenfuram (Martin & Edgington, 1980).…”

Section: Introductionmentioning

confidence: 99%

“…The carboxins proved to be effective in eliminating loose smut infections when applied to growing plants as foliar sprays (von Schmeling & Kulka, 1966). Several of the active ingredients used in broad-spectrum seed fungicides, including flutriafol and tebuconazole, are also widely used in cereal crop sprays to control major foliar diseases such as powdery mildews and rusts.…”

Section: Introductionmentioning

confidence: 99%

Control of loose smut (Ustilago nuda and U. tritici) infections in barley and wheat plants by foliar application of triadimefon

Jones

1997

Plant Pathology

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Foliar application of the broad-spectrum systemic fungicide triadimefon to loose smut-infected plants of wheat and barley produced a marked curative effect. Triadimefon was particularly effective when applied at the beginning of and during stem extension. In addition to reducing percentage plant infection, foliar application of this fungicide (particularly prior to flag leaf emergence) resulted in an increased proportion of infected ears which were only partially smutted. The curative effect of these early fungicide applications resulted in significant yield increases, as a consequence of increased grain number per m 2 . Application of triadimefon to crops at ear emergence had no significant effect on percentage plant infection but resulted in lower levels of re-infection following artificial or natural inoculation of healthy ears, apparently as a result of a protectant effect of fungicide residues on or in the ovaries.

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Systemic Fungicidal Activity of 1,4-Oxathiin Derivatives

Cited by 171 publications

References 0 publications

An application of a glassy carbon electrode and a glassy carbon electrode modified with multi-walled carbon nanotubes in electroanalytical determination of oxycarboxin

An application of a glassy carbon electrode and a glassy carbon electrode modified with multi-walled carbon nanotubes in electroanalytical determination of oxycarboxin

Low-temperature heat capacity and thermodynamic properties of crystalline carboxin (C12H13NO2S)

Control of loose smut (Ustilago nuda and U. tritici) infections in barley and wheat plants by foliar application of triadimefon

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