Persistence and Degradation of Coumaphos in Model Cattle Dipping Vats

Jindal, Tanu; Singh, Dileep Kumar; Agarwal, H. C.

doi:10.1081/pfc-120002895

Cited by 5 publications

(1 citation statement)

References 3 publications

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“…Gennari et al (2002) isolated active microbial degraders of prosulfocarb (PSC) to evaluate their bioremediation potential for contaminated soils. Biodegradation was lower in the inoculated soil than the uninoculated soil because of competition with indigenous microflora.The stability of the pesticide coumaphos in cattle dipping vats increased with the addition of superphosphate (pH 5) while adding copper sulfate had no effect on the stability (Jindal et al, 2002).…”

Section: Tranformationsmentioning

confidence: 98%

Pesticides and Herbicides

Bhandari¹,

Kang²,

Starrett³

2000

Water Environment Research

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This review summarizes the most current technical literature dealing with pesticides and herbicides in the environment. Citations included in this review focus primarily on analytical methods, monitoring, fate and transport, transformation, and treatment strategies as related to pesticides and herbicides in soils, sediments, surface water, and groundwater. ANALYTICAL METHODSOver the past year, several scientists reported on the use of assays for pesticide detection. Wang et al. (2002a) developed an antibody-based rapid test for carbaryl and methoprene for grain handlers to estimate residues of grain protectants in the field. The test had a detection limit of 4.5 ppb (1.1 ppm in grain) for carbaryl and 4 ppb (1 ppm in grain) for methoprene. The variable domains of a triazine-selective single-chain Fv were genetically engineered by stringent molecular evolution in order to optimize analytical characteristics of the corresponding atrazine immunoassay (Kramer, 2002). The application of the mutant antibodies for the atrazine determination of soil samples revealed consistency with HPLC data within the experimental error. Maqbool et al. (2002) developed an ELISA technique for the analysis of atrazine in water with a detection limit of 1 ng/L. Additionally, a rapid and efficient method for the Literature Review 2003 2 selective extraction of s-triazine herbicides in environmental samples was developed using an immunosorbent of monoclonal antiatrazine antibodies, which were encapsulated in a sol-gel glass matrix (Stalikas et al., 2002). High performance liquid chromatography was the primary analytical technique used in two studies. Bassett et al. (2002) developed a high performance liquid chromatographic method to meet the U.S. Environmental Protection Agency's (EPA) Unregulated Contaminant Monitoring Rule (UCMR) Survey need for the analysis of phenylurea pesticides in drinking waters. A molecularly imprinted polymer was synthesized using the herbicide metsulfuronmethyl as a template, 2-(trifluoromethyl)acrylic acid as a functional monomer, divinylbenzene as a cross-linker, and dichloromethane as a porogen (Zhu et al., 2002). This polymer was used as a solid-phase extraction material for the quantitative enrichment of five sulfonylureas (nicosulfuron, thifensulfuron-methyl, metsulfuron-methyl, sulfometuron-methyl, and chlorsulfuron) in natural water and soil samples and off-line coupled to a reversed-phase HPLC/diode array detection. Gas chromatography and solid phase extraction was used for analysis of several pesticides. Duseja and Martindale (2002) compared the results of HPLC with GC analyses on oxyflourfen. The comparison proved that the GC analysis held a high recovery percentage for soils with a MDL of at least 0.005 µg/g, allowing considerable savings of time and labor versus HPLC. Boussahel et al. (2002) reported on the use of solid-phase micro-extraction followed by gas chromatography coupled with an electron capture detector for the analysis of Literature Review 2003 4 algal cell suspensions for the screenin...

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Section: Tranformationsmentioning

confidence: 98%

Pesticides and Herbicides

Bhandari¹,

Kang²,

Starrett³

2000

Water Environment Research

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Influence of the acaricide emulsion pH on the effectiveness of spray products to control the cattle tick: laboratory and field investigations

Nicaretta¹,

Ferreira²,

Cavalcante³

et al. 2023

Parasitol Res

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In vitro efficacy of amitraz, coumaphos, deltamethrin and lindane against engorged female Rhipicephalus (Boophilus) annulatus and Haemaphysalis bispinosa ticks

et al. 2018

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The present study compares the in vitro efficacy of four chemical acaricides, viz. amitraz, coumaphos, deltamethrin and lindane, against Rhipicephalus (Boophilus) annulatus and Haemaphysalis bispinosa ticks based on adult immersion tests. Amitraz, at 350 ppm, elicited 29.2 ± 4.17% mortality against R. (B.) annulatus, 100% inhibition of fecundity and absence of hatching of eggs laid by treated ticks. The same compound at 300 ppm caused 62.5 ± 12.5% mortality against H. bispinosa, 96.7% inhibition of fecundity and complete blocking of eclosion. The LC value of amitraz against susceptible H. bispinosa was 181 ppm. Deltamethrin at 400 ppm, elicited 25.0 ± 4.81% adult R. (B.) annulatus mortality, 97.5% inhibition of fecundity and absence of egg hatching. Complete blocking of egg hatching was observed even at 30 ppm. However, deltamethrin (at 50 ppm) elicited 75.0 ± 10.76% mortality against H. bispinosa, 65.8% inhibition of fecundity and very low egg hatching (10%). The LC for deltamethrin against susceptible H. bispinosa was 33.8 ppm. Coumaphos at 50 ppm, caused mortality of 70.8 ± 4.17% with R. (B.) annulatus whereas 100% mortality was observed against H. bispinosa. The LC values of coumaphos against R. (B.) annulatus and H. bispinosa were 9 and 8.75 ppm, respectively. Complete inhibition (100%) of fecundity was observed even at 30 ppm against both parasites. Complete blocking of egg hatching was also observed even at 10 ppm of coumaphos. Lindane at 1000 ppm caused mortality of 87.5 ± 7.98% against R. (B.) annulatus and 83.3% mortality against H. bispinosa at 100 ppm. The LC values of lindane against R. (B.) annulatus and H. bispinosa were 157 and 8.61 ppm, respectively. Complete inhibition of fecundity was observed with R. (B.) annulatus treated with lindane above 200 ppm and with H. bispinosa at a concentration above 50 ppm. Complete blocking of egg hatching was observed in R. (B.) annulatus, even at 100 ppm. Lindane caused 100% blocking of egg hatching at 1 ppm in the case of H. bispinosa.

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Persistence and Degradation of Coumaphos in Model Cattle Dipping Vats

Cited by 5 publications

References 3 publications

Pesticides and Herbicides

Pesticides and Herbicides

Influence of the acaricide emulsion pH on the effectiveness of spray products to control the cattle tick: laboratory and field investigations

In vitro efficacy of amitraz, coumaphos, deltamethrin and lindane against engorged female Rhipicephalus (Boophilus) annulatus and Haemaphysalis bispinosa ticks

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