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Journal articles on the topic 'Cypermetryna'

Author: Grafiati
Published: 24 April 2022

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1

Iddrisu, S., M. E. Essilfie, and G. Bolfrey –Arku. "Response of Cabbage (Brassica oleracea var capitata) to Organic and Inorganic Fertilizers on Growth and Yield Parameters and Incidence of Insect Pest." International Journal of Environment, Agriculture and Biotechnology 6, no. 6 (2021): 153–61. http://dx.doi.org/10.22161/ijeab.66.19.

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Two field experiments were conducted for two cropping seasons at the Multipurpose Crop Nursery of the Akenten Appiah-Menka University of Skills Training and Entrepreneurial Development Mampong-Ashanti, from August to November, 2015and June to September, 2016 to determine the response of cabbage (Brassica oleracea var capitata) to organic and inorganic fertilizers on growth, yield and incidence of insect pest. The experimental design used for the field experiment was a randomized complete block design (RCBD) with three replications. The treatments were: poultry manure (20 t ha-1) + Cypermetrine (30 l ha-1), cow dung (20 t ha-1) + Cypermetrine (30 l ha-1), N.P.K (15:15:15) (300 kg) + Cypermetrine (30 lha-1), foliar + Cypermetrine (30 l ha-1), poultry manure (20 t ha-1) + neem leaf extract, cow dung (20 t ha-1) + neem leaf extract, N.P.K (15:15:15)(300 kg) + neem leaf extract, foliar + neem leaf extract and the control (no fertilizer and no insecticide). The result revealed that the application of organic manure (poultry manure and cow dung) and inorganic fertilization is a better option for soil fertility enhancement in cabbage production.High percentage crop establishment (>95%) was achieved across treatments with NPK + Cypermetrine, poultry manure + neem, N.P.K (15:15:15) + Neem or Foliar fertilizer + neem achieving 100% crop establishment. The application of Cow dung+ NLE produced the highest number of open leaves in both seasons. Application of poultry manure and N.P.K combined with Cypermetrine significantly improved head weight and cabbage yield.Application of poultry manure combined with Cypermetrine or neem leaf extract produced earliest head initiation and widest head diameter.In conclusion cabbage growers are encouraged to use poultry manure at 20 t ha-1 and N.P.K (15:15:15) (300 kg) combined with Cypermetrine at 30 l ha -1 and neem leaf extract for the improvement of cabbage growth, yield and incidence of insect pest.
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2

Madsen, Charlotte, Mogens H. Claesson, and Carsten Röpke. "Immunotoxicity of the pyrethroid insecticides deltametrin and α-cypermetrin." Toxicology 107, no. 3 (March 1996): 219–27. http://dx.doi.org/10.1016/0300-483x(95)03244-a.

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3

Chrustek, Agnieszka, Iga Hołyńska-Iwan, and Dorota Olszewska-Słonina. "The influence of pyrethroides: permethrin, deltamethrin and alpha-cypermetrin on oxidative damage." Postępy Higieny i Medycyny Doświadczalnej 75 (April 7, 2021): 229–37. http://dx.doi.org/10.5604/01.3001.0014.8309.

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Pyrethroids, synthetic derivatives of natural pyrethrins derived from Chrysanthemum cinerariaefolim, are commonly used for plant protection in the forestry, agricultural, pharmaceutical industry as well as in medicine and veterinary medicine. They can enter the body by inhalation, ingestion and skin contact. It was assumed that they are characterized by low toxicity to humans, are quickly metabolized and do not accumulate in tissues, and are excreted in the urine. Despite the existing restrictions, their use carries a great risk, because these compounds and their metabolites can get into the natural environment, contaminating water, soil and food. The consequences of using pyrethroids as a direct threat to animal and human health have been described for many years. They are published on an ongoing basis informing about poisoning with these compounds in humans and animals, and about fatalities after their taking. Children are most at risk because pyrethroids can be found in breast milk. These compounds have nephrotoxic, hepatotoxic, immunotoxic, neurotoxic effects and have a negative effect on the reproductive system and the fetus. Pyrethroids such as permethrin, deltamethrin, alpha-cypermethrin are approved by the World Health Organization for daily use; however, numerous scientific studies indicate that they can cause oxidative stress. They lead to DNA, protein, lipid damage and induction of apoptosis. The purpose of the work was to collect and systematize the available knowledge regarding the induction of oxidative stress by selected pyrethroids.
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Oliveira Filho, Alfredo M. "Uso de nuevas herramientas para el control de triatominos en diferentes situaciones entomológicas en el continente americano." Revista da Sociedade Brasileira de Medicina Tropical 30, no. 1 (February 1997): 41–46. http://dx.doi.org/10.1590/s0037-86821997000100008.

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Se relatan los resultados obtenidos en el terreno seis meses y dos años post-tratamiento con las nuevas herramientas para el control de triatominos desarrolladas con apoyo de la OMS/TDR, o sea, a) pinturas insecticidas, una suspensión emulsionable de lenta liberación conteniendo el 8,3% de malathion, aplicada por rociamiento; b) potes fumígenos que, después de encendidos, echan humos que contienen cypermetrina y DDVP; c) cajas sensoras para detección de triatominos. Los ensayos en el terreno fueron realizados en Chile, Honduras y Paraguay contra tres especies principales de vectores de la enfermedad de Chagas - Triatoma infestans, T. dimidiata y Rhodnius prolixus, según el protocolo elaborado por un comité de expertos de la OMS. Los resultados indican que las pinturas insecticidas constituyen un eficaz medio de control de estos vectores en cualquiera de las condiciones estudiadas, sea en el domicilio, sea en el peridomicilio, manteniendo los porcentajes de infestación muy próximos a cero. Comparaciones preliminares de la técnica de cajas sensoras para detección de casas infestadas por triatominos, con la búsqueda hecha por personal entrenado (hora/hombre) indican esta última como la mas apropiada.
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Abdulra’uf, L. B., F. A. Adeyemo, F. B. Atanda, and R. Lawal. "Detection Of Pendimethalin and Cypermetrin Residues in Locally Produced Tomato Using QuEChERS-HPLC Analysis." Nigerian Journal of Basic and Applied Sciences 27, no. 1 (May 26, 2020): 34–40. http://dx.doi.org/10.4314/njbas.v27i1.5.

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This study investigated the levels of pendimethalin and cypermetrin residues in tomato sold in Malete market, Moro Local Government Area of Kwara State. Tomatoes were randomly collected from five different vendors in Malete market and analysis was performed using the QuEChERS (Quick, Easy Cheap, Effective, Rugged and Safe) method followed by chromatographic analysis using high performance liquid chromatography (HPLC) coupled to ultra-violet (UV) detector. Method validation of the study showed a linearity of the analytes which ranges from 5 – 500 μg/kg, with correlation coefficients greater than 0.999. The average recovery ranges from 75.6 to 111 % with relative standard deviation (RSD) from 2.74 to 9.03 %. The results indicated the presence of cypermethrin in analyzed samples at concentrations lower than the permissible maximum residue levels Keywords: Sample preparation, Pesticide residues, HPLC-UV, QuEChERS.
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Soares, Mayara Pereira, Fátima Jesus, Ana Rita Almeida, Inês Domingues, Liliam Hayd, and Amadeu M. V. M. Soares. "Effects of pH and nitrites on the toxicity of a cypermetrin-based pesticide to shrimps." Chemosphere 241 (February 2020): 125089. http://dx.doi.org/10.1016/j.chemosphere.2019.125089.

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7

Sedrowicz, L., D. Witkowska, and R. Oledzka. "P192 the effect of cypermetrine on the leucine (LEU) and methionine (MET) transport in the jejunum." European Journal of Pharmaceutical Sciences 2, no. 1-2 (September 1994): 166. http://dx.doi.org/10.1016/0928-0987(94)90365-4.

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8

Michaud, Marie-Hélène, Joseph Makhlouf, Nicolas Tremblay, and André Gosselin. "PESTICIDE RESIDUES ON FRESH AND PROCESSED VEGETABLES." HortScience 26, no. 5 (May 1991): 482h—483. http://dx.doi.org/10.21273/hortsci.26.5.482h.

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A research project was undertaken in 1990 with the objective of improving both quality and productivity of peas, beans and sweet corn grown and processed in Quebec (Canada). It was conducted with the technical and financial help of five proccessing companies. Cultivar trials were undertaken as part of this project together with an evaluation of commercial practices in the areas of pest control, fertilization and crop management. Samples of fresh and processed products were analysed for nutritional quality and pesticide residues. During this presentation we will show preliminary results of the pesticide residue analyses and will compare fresh and processed products. So far, determination of dimethoate, trifluralin and bentazone (peas), azinphosmethyl and permetrin (beans) and cypermetrin (sweet corn) showed no concentration exceeding the Canadian norm (<0, 1mg/kg), with the exception of a bean field with azinphosmethyl residues. Canning and freezing operations greatly reduced pesticide residues so that all processed samples tested below detectable levels.
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Dési, I., L. Nagymajtényi, and H. Schulz. "Combined effects of organophosphates and cypermetrin on the brain evoked potentials in three-generation rat experiment." Toxicology Letters 74 (August 1994): 17. http://dx.doi.org/10.1016/0378-4274(94)90249-6.

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10

Espinoza, Uriel Mauricio Valdez, Rubén Hernández Ortiz, Rodolfo Lagunes Quintanilla, and Edgar Castro Saines. "Análisis de la susceptibilidad a los ixodicidas en hatos bovinos de una región del estado de Hidalgo, México / Susceptibility analysis to ixodicides in cattle herds of a región of a state of Hidalgo, Mexico." Brazilian Journal of Animal and Environmental Research 4, no. 3 (August 11, 2021): 3642–48. http://dx.doi.org/10.34188/bjaerv4n3-069.

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La garrapata R. microplus es uno de los ectoparásitos de mayor importancia sanitaria y económica que afectan a los hatos bovinos que se encuentran en las regiones templadas, subtropicales y tropicales. Para su control se emplean métodos a base de ixodicidas químicos. Debido al uso continuo y excesivo, se han reportado en México poblaciones de garrapatas R. microplus con características de multi-resistencia a los diferentes ixodicidas químicos. Lo anterior dificulta el control de la garrapata en los hatos bovinos, por tal motivo es necesario realizar el análisis de susceptibilidad a los ixodicidas químicos. El objetivo de este trabajo fue identificar el grado de susceptibilidad a los ixodicidas químicos en garrapatas R. microplus de hatos ganaderos de un municipio de la Sierra Alta de Hidalgo. Se realizó un muestreo de garrapatas R. microplus en 13 ranchos del municipio de Xochicoatlan, Hidalgo. Las garrapatas fueron enviadas el CENAPA para el diagnóstico de susceptibilidad a los ixodicidas químicos mediante la técnica de Stone Haydock. Los resultados muestran que las garrapatas de los hatos bovinos presentan mayor susceptibilidad al Coumaphos y Fipronil. En todos los ranchos, los piretroides (Flumetrina, Deltametrina y Cypermetrina) tienen una eficacia baja. El Amitraz presenta una mortalidad promedio del 50%. Con base en los resultados y análisis se concluye que las garrapatas de los hatos bovinos muestreados presentan multi-resistencia a los ixodicidas químicos.
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11

Fernandes, Nelson Luis Mello, Vanete Thomaz Socol, Simone Benghi Pinto, João Carlos Minozzo, and Carlos Antonio Lopes de Oliveira. "Resposta imune-humoral e celular em bovinos da raça Nelore imunizados com extrato de larvas (L2 e L3) de Dermatobia hominis (Linnaeus Jr., 1781)." Ciência Rural 37, no. 3 (June 2007): 789–95. http://dx.doi.org/10.1590/s0103-84782007000300029.

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As larvas da Dermatobia hominis provocam lesões ulcerativas, danificando o tecido subcutâneo e conseqüentemente a pele do hospedeiro. O couro é o subproduto que sofre maior depreciação, o que, muitas vezes, impossibilita seu aproveitamento na industrialização. Atualmente o controle químico é utilizado como forma de combate à dermatobiose, entretanto, leva ao acúmulo de substâncias tóxicas nos animais e no ambiente. No presente trabalho, foram avaliadas as respostas imune-humoral e celular de bovinos imunizados com extrato antigênico preparado com larvas de D. hominis. Três grupos de oito bezerras da raça Nelore com 10 meses de idade foram usados, tendo o primeiro grupo (A) recebido aplicação de extrato imunogênico de larvas de D. hominis, com intervalos de quinze dias; o grupo (B), utilizado como controle, não recebendo nenhum tipo de tratamento; e o grupo (C) recebendo o tratamento ectoparasiticida à base de Dichlorvos associado a Cypermetrina. Neste mesmo período, foram avaliados o leucograma e os níveis de IgG contra D. hominis pela técnica de enzimoimunoensaio-ELISA. Quanto à avaliação da imunidade humoral, verificou-se que os animais do grupo A apresentaram maior produção de IgG contra D. hominis, com níveis máximos de anticorpos circulantes aos 45 dias após a primeira imunização. Estes animais também apresentaram maior produção de neutrófilos, eosinófilos e monócitos que os dos grupos B e C. O número de nódulos de larvas encontrado nos animais do grupo C foi 148,3% maior que nos animais dos grupos A e B. A comprovação da resposta imune celular e humoral, parcialmente caracterizadas, bem como a redução do número de nódulos, são indicadores que a imunização contra D. hominis foi parcialmente protetora para os bovinos imunizados.
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Mulyaningsih, Budi, Sitti Rahmah Umniyati, Tri Baskoro Tunggul Satoto, Ernaningsih Ernaningsih, and Dwi Aris Agung Nugrahaningsih. "Detection of Polymorphism on Voltage-gated Sodium Channel Gene of Indonesian Aedes aegypti Associated with Resistance to Pyrethroids." Indonesian Biomedical Journal 10, no. 3 (December 28, 2018): 250–5. http://dx.doi.org/10.18585/inabj.v10i3.425.

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BACKGROUND: Aedes aegypti is a vector of several pathogens including dengue virus. Vector control is an effective way to break the transmission but unfortunately constant use of insecticides ultimately causes vector resistance. Pyrethroids have been used for about 15 years to combat Ae. aegypti in Yogyakarta Province, Indonesia. Single amino acid substitutions in the voltagegated sodium channel associated with pyrethroid resistance constitute one of the main causative factors of knockdown resistance (kdr). The aim of this study is to detect resistant status to cypermetrine and polymorphism on the voltagegated sodium channel gene of Ae. aegypti from 2 dengue endemic areas in Yogyakarta Province (Yogyakarta city and Sleman district).METHODS: Pyrethroid resistance in Ae. aegypti mosquitoes was detected by using CDC Bottle Bioassay. To detect the polymorphism on the voltage-gated sodium channel gene of Ae. aegypti analyses were conducted by using PCR and direct DNA squencing with primers AaSCF1 and AaSCR4 for S989P, I1011M (or V), L1014F sites, and AaSCF7 and AaSCR7 for the F1534C site.RESULTS: According to bioassay, the results for Ae. aegypti from Yogyakarta city (93% mortality) and Sleman district (88% mortality) suggest the possibility of resistance to cypermethrin. We observed polymorphism on voltagegated sodium channel gene on site F1534C (heterozygous).CONCLUSION: The findings provide early evidence that the use of cypermethrin (pyrethroids) in Yogyakarta city and Sleman district, Yogyakarta Province, Indonesia is reducing its effectiveness to control Ae. aegypti. Recommendations include additional tests for confirmation.KEYWORDS: Aedes aegypti, dengue virus, cypermethrin, Bioassay, Yogyakarta
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13

ADEWALE, Omowumi O., and Joseph A. ADEYEMI. "Ionoregulatory Impairment in African Catfish (Clarias gariepinus) Exposed to Combined Stressors of Lead and Cypermethrin." Notulae Scientia Biologicae 6, no. 1 (March 12, 2014): 27–30. http://dx.doi.org/10.15835/nsb619254.

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The contamination of aquatic ecosystem with heavy metals and pesticides has increased dramatically over the years, and this has generated a lot of attention by environmental experts. There are reports on impacts of different single toxicants on aquatic organisms but not much has been done to investigate the impacts of mixtures of toxicants on aquatic life. In this study we investigated the effects of multiple stressors of Pb and cypermethrin on ionoregulation in the African catfish (Clarias gariepinus). Adults C. gariepinus were exposed to either borehole water (control), 2 mg/L Pb, 0.5 μg/L cypermetrin or a mixture of 2 mg/L Pb and 0.5 μg/L cypermethrin for 96 h, after which the levels of plasma Na+, Cl- and K+ were determined as a measure of branchial ionoregulatory disturbance. The exposure of C. gariepinus to 0.5 μg/L cypermethrin resulted in a significant reduction in plasma Na+ (43% decrease) and Cl- (31% decrease) but a 2-fold increase in plasma K+ concentrations. Exposure to a mixture of cypermethrin and Pb resulted in 53% decrease in plasma Na+, 40% decrease in plasma Cl- and a 3- fold increase in plasma K+. There was no significant difference between the control and those exposed to just only 2 mg/L Pb for all the parameters measured. The results of this study indicated that exposure of aquatic organisms to combined stressors of heavy metals pollution as well as pesticide contamination could have a serious effect on the physiology especially on ionic regulation in the exposed fish.
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14

Ramadhani, Tri, and Bondan Fajar Wahyudi. "Effect of the Use Lethal Ovitrap to Population Aedes sp." Medical Science & Healthcare Practice 1, no. 1 (March 23, 2017): 20. http://dx.doi.org/10.22158/mshp.v1n1p20.

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<p><em>Dengue vector control has been done in various ways, however, has not been able to obtain optimal </em><em>results. Ovirap use to determine the presence of Aedes sp in a region is often done, but the application </em><em>of lethal ovitrap for population control Aedes sp still rarely done. This study was aimed to assess the </em><em>effect of LO applications on populations of Aedes sp. </em></p><p><em></em><em>This research includes quasi experimental design with a pretest-posttest control group without </em><em>randomization. Research sites in dengue in endemic areas in Banyumas district, with a total sample of </em><em>100 homes in each treatment and control areas. Insecticides used on ovistrip is cypermethrin at a dose </em><em>of 12.5 mg ai/strip. Populations of Aedes sp measured each week for three weeks prior to the </em><em>intervention and twelve weeks during the intervention. The mean density of Aedes sp compared before </em><em>and after intervention and between treatment and control areas.</em><br /><em>The study showed the difference of mosquito densities before and after the intervention in the </em><em>experimental group was 0,07 ( p-value 0.044), whereas the control group was 0.037 (p-value 0.341). </em><em>LO use with the addition of insecticide active ingredient cypermetrin on ovistrip impact on the decline </em><em>density of Aedes sp.</em></p>
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15

Akinwande, KL, MA Badejo, and SS Ogbogu. "Challenges associated with the honey bee (Apis mellifera adansonii) colonies establishment in south western Nigeria." African Journal of Food, Agriculture, Nutrition and Development 13, no. 57 (April 25, 2013): 7467–84. http://dx.doi.org/10.18697/ajfand.57.12175.

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The southwestern part of Nigeria is a tropical rainforest region having many local beekeepers. The se beekeepers have experienced decline in colony establishment in the recent past . A study carried out in Lagos, Ogun and Osun states between December 2009 and September 2011 examined 14 randomly selected commercial bee farms for problems associated with decline in colony establishment . Sampling and treatments were split equally between each apiary and three colonies were selected in each . All the colonies were housed in Tanzania /local top bar hive s. There were 58.34, 44.84 and 40.61 average percentage declines in colony establishment in Lagos, Ogun and Osun States , respectively. Presence of pests and diseases, pesticide poisoning, poor hive and seasonal management, ecological problem and lack of queen rearing were potential problems identified by the beekeepers . All the apiaries had pests like Crickets, Ants ( Companotus pennsylvanicus ), Small Hive beetle ( Aethina tumida ), Termites ( Macrotermes spp ) and Spider ( Lactrodectus mactan ) . Varroa mite infestations were found in 33 (78.57%) of apiaries sampled. There was no significant difference between the levels of Varroa infestation in all the colonies during the dry and wet seasons at confidence interval of 95 percent ( t = 1.542, df = 13, p = 0.147 ( p > 0.05) . Nosema spores were found in 27 (64.29%) colonies examined. The number of spores range from 16 x 10 3 to 30.4 x 10 3 . T here were no significant differences in the infection from colony to colony, apiary to apiary and between dry and wet seasons ( t = - 0.094 df = 11, P = 0.927 (P > 0.05). Diseases like American and European foulbrood were absent while chalkbrood disease was prevalent. Environmental factors of high temperature, high rainfall and high relative and hive humidity enhanced the spread of pests and disease pathogens. Many insecticides were constantly applied by the farmers on the crops in the surrounding farmland. Two of the commonly used insecticides DDVP (Dichlorvos) and Cyperforce (Cypermetrin) were discovered to have increased mortality on worker honey bees with progressively larger doses. It was obvious that insecticide toxicity had a significant effect on the colony. Hence , ecological and management problems had contributed to the decline in colony establishment in this area.
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Olga Pazmiño, Miryan Flores, María José Vallejo, Francisco Iturra, Paola Ramón, and Lorena Medina. "ESTUDIO SOBRE RESIDUOS DE PLAGUICIDAS EN BRÓCOLI DE EXPORTACIÓN Y CONSUMO NACIONAL." ECUADOR ES CALIDAD: Revista Científica Ecuatoriana 2, no. 2 (August 30, 2015). http://dx.doi.org/10.36331/revista.v2i2.12.

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Estudio realizado en 72 muestras de brócoli provenientes de seis provincias del Ecuador, reveló que el 43,06% de ellas contenían residuos de los plaguicidas Cypermetrina, Permetrina, Clorpirifos, λCyhalotrina, Difenoconazol, Diflubenzuron y Metalaxil, (categoría toxicológica III), Boscalid (categoría toxicológica IV) y Endosulfan ( categoría toxicológica IB), en niveles de concentración que no superan los LMRs estipulados por el CODEX Alimentarius, sin embargo se evidenció que estos residuos son inferiores en los cultivos destinados a exportación, frente a los cultivos de consumo local.
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Kosimov, Diyorbek, Lyudmila Zaynitdinova, Roxila Jo’rayeva, Svetlana Kukanova, Rustam Ergashev, Azimjon Mamadrakhimov, Lukmonjon Mutalliev, and Farkhod Eshboev. "Possibility of Using Bacteria-Destructors for Cypermetrin Degradation." Journal of Pharmaceutical Research International, November 4, 2021, 556–63. http://dx.doi.org/10.9734/jpri/2021/v33i47b33155.

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From soils artificially contaminated with cypermethrin, 3 isolates were obtained that were resistant to cypermethrin concentrations of 40 mg/kg soil, and their morphological, cultural and biochemical properties were studied. On the basis of the obtained strains, a bacterial consortium was developed, which consists of the cultures of Pseudomonas sp., Bacilus sp. and Ochrobactrum sp. Laboratory experiments on the decomposition of cypermethrin showed the effectiveness of this consortium, within 28 days the decomposition of cypermethrin (40 mg/kg) was 100%.
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Eremina, О. Yu, V. V. Olifer, and Yu V. Lopatina. "MECHANISMS OF GERMAN COCKROACH BLATELLA GERMANICA (Blattodea: Ectobiidae) RESISTANSE TO CYPERMETRIN AND FIPRONIL." Medical Parasitology and Parasitic Diseases, 2019, 37–47. http://dx.doi.org/10.33092/0025-8326mp2019.2.37-47.

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19

Agugua, SE, and BJ Oribhabor. "The relative toxicity of pesticides, Cypermetrin and Diazol against Clibanarius africanus (Decapoda – Paguridae) and Poecilia reticulata (Teleosti – Poeciliidae)." Tropical Freshwater Biology 17, no. 2 (September 8, 2009). http://dx.doi.org/10.4314/tfb.v17i2.45812.

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