نتایج جستجو برای: cypermethrin

تعداد نتایج: 1027  

Journal: :international journal of fertility and sterility 0
jalal solati ramin hajikhani roohollah toodeh zaeim

background: pyrethroids are commonly used as insecticides for both household and agricultural applications, and have recently been linked to endocrine disruption. cypermethrin is a type п pyrethroid which is used widely throughout the world. the present study was aimed to investigate the effects of cypermethrin on the sexual behaviour and plasma level of pituitary-gonadal hormones of adult male...

2011
Ana Paula A. de Sousa Mara M. de Andréa

The pyrethroid insecticide cypermethrin is used for agricultural and public health campaigns. Its residues may contaminate soils and the beneficial soil organisms, like the earthworms, that may ingest the contaminated soil particles. Due to its ecological relevance, earthworms Eisenia andrei/fetida have been used in different ecotoxicological tests. The avoidance of soils treated with cypermeth...

2015
R. Maheswari P. Manisha

In this study the use of plants for medicinal purpose used locally in the treatment of various diseases and we examined for their antioxidant activity. Therefore, the present investigation is part of continuing programme related to the biochemical screening of local plants used in Ancient Indian Medicine, Ayurveda, Siddha and Yunani. An Aqueous root extract of Withania Somnifera (L.) Dunal (Ash...

2011
Renato Andreotti Felix David Guerrero Mariana Aparecida Soares Jacqueline Cavalcante Barros Robert John Miller Adalberto Pérez de Léon

This study was conducted to obtain an epidemiological view of acaricide resistance in populations of Rhipicephalus (Boophilus) microplus in the State of Mato Grosso do Sul. Twenty-four tick samples were collected from municipalities in the State where farmers had reported concerns about resistance to or failure of tick control. These ticks were subjected to in vitro resistance detection assays ...

2012
Medha Tendulkar Arvind Kulkarni

Cypermethrin is a synthetic pyrethroid class of insecticide. Toxic effects of cypermethrin were studied by selecting Marcia opima as an animal model. Cypermethrins effect on the total glycogen content of mantle, gill, foot, hepatopancreas, male gonad and a female gonad of an estuarine clam, Marcia opima was examined. The clams were exposed to 1.58 ppm cypermethrin for acute and 1/10th of that c...

Journal: :Mutagenesis 2004
Indranil Mukhopadhyay D Kar Chowdhuri Mahima Bajpayee Alok Dhawan

The single cell gel electrophoresis (SCGE) assay, also known as the Comet assay, is one of the most promising genotoxicity tests developed in recent years to measure and analyse DNA damage in single cells. The present study was undertaken to assess the in vivo genotoxicity of the synthetic pyrethroid cypermethrin in brain ganglia and anterior mid gut of Drosophila melanogaster. Freshly emerged ...

2012
Sudhanshu Tiwari Richa Tiwari Ajay Singh

Laboratory evaluations were made to assess the toxicological and biochemical effect of cypermethrin on fingerlings of common edible freshwater culture carp (Labeo rohita). There was a significant negative (P < 0.05) correlation observed between effective doses of cypermethrin and exposure periods; that is, LC₅₀ values decreased from 0.323 μg/L (6 h) to  > 0.278 μg/L (12 h),  > 0.240 μg/L (18 h)...

2013
Jander R. Souza Geraldo A. Carvalho Alexandre P. Moura Marcelo H.G. Couto Jader B. Maia

Corn (Zea mays L.) is cultivated in large areas and considered one of the world’s major cereal crops. There are several arthropod pests that can reduce its production such as the fall armyworm, Spodoptera frugiperda (J.E. Smith) (Lep.: Noctuidae), which is considered to be the main pest for corn. Fall armyworm is primarily controlled by insecticides. The use of biological control agents to mana...

Journal: :Journal of the South African Veterinary Association 2008
Z Ntondini E M S P van Dalen I G Horak

In order to determine the extent of acaricide resistance in the eastern region of the Eastern Cape Province 1-, 2- and 3-host ticks were collected from cattle at 59 dip-tanks over a period of 2 years. These ticks were tested for resistance against 3 compounds, namely amitraz, cypermethrin and chlorfenvinphos. The Shaw Larval Immersion Test detected emerging resistance to amitraz in Rhipicephalu...

Journal: :The Southeast Asian journal of tropical medicine and public health 2007
Lalit Mohan Preeti Sharma C N Srivastava

With a goal of minimal application of environmentally hazardous chemical insecticides, the larvicidal activity of cypermethrin was studied alone and in combination with the root extract of Solanum xanthocarpum against anopheline larvae. Petroleum ether extract was observed to be the most toxic, with LC,, of 1.41 and 0.93 ppm and LC90 of 16.94 and 8.48 ppm at 24 and 48 hours after application, r...

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