Essays about: "Cypermethrin"

Found 5 essays containing the word Cypermethrin.

  1. 1. Friends with benefits? - Does gut microbiota of Spodoptera littoralis affect insecticide resistance and are there any costs of insecticide resistance development?

    University essay from SLU/Dept. of Plant Protection Biology

    Author : Sarah Heithausen; [2021]
    Keywords : insecticide resistance development; gut microbiota; gut symbiont-mediated resistance; trade-off effects; fitness costs; symbiosis; survival; life-history traits; fecundity;

    Abstract : The insect gut microbiota has many important functions for insects such as detoxification of host plant toxins. Recently there has been a growing interest on the effect of insect gut microbiota on insecticide resistance development. Insecticide resistance is a growing concern for food security and sustainable agriculture. READ MORE

  3. 2. Poultry red mites in Swedish laying hen flocks : occurrence and efficacy to a selection of acaricides

    University essay from SLU/Dept. of Animal Nutrition and Management

    Author : Emelie Gunnarsson; [2017]
    Keywords : poultry red mite; Dermanyssus gallinae; laying hen; efficacy; occurrence;

    Abstract : The poultry red mite Dermanyssus gallinae is a blood-feeding ectoparasite commonly found in poultry facilities. It has an adverse effect on health and welfare of laying hens around the world. A common method used for control of D. gallinae is the use of acaricides (pesticides used against mites). READ MORE

  4. 3. Using a biotrickling filter for degradation of cypermethrin, an insecticide frequently used in Tahuapalca, Bolivia

    University essay from Kemi; Tekniska högskolan

    Author : Henric Enstedt; [2013]
    Keywords : Biofilter; Trickling filter; Fungus; Cypermethrin; Pesticides; Ninhydrin;

    Abstract : The feasibility of using bench-scale biotrickling filter reactors inoculated with the fungus UBAF004, isolated from soil in Tahuapalca, for treatment of water contaminated with cypermethrin was investigated. Wood chips, gravel and ceramics were tested as packing materials for the reactors in batch experiments in small glass flasks. READ MORE

  5. 4. Degradation of Cypermethrin by indigenous bacteria in local industrial, beech- and spruce-forest soil

    University essay from Sektionen för ekonomi och teknik (SET)

    Author : Joakim Engblom; [2007]
    Keywords : Pyrethroids; Cypermethrin; Soil-bacteria; Beech-forest soil; Spruce-forest soil; Industrial soil; Microcosms;

    Abstract : Soil from local beech-forest, spruce-forest and an industrial area was taken. Control- and test-microcosms containing 150 ml soil were spiked with cypermethrin 0,4 mg/ml soil. Cypermethrin residues were extracted on day seven and 14. Cyclohexane and deionized water was utilized in multiple step extraction processes. READ MORE

  6. 5. Pesticide use in rice cultivation in Tarapoto, Peru : usage patterns and pesticide residues in water sources

    University essay from SLU/Dept. of Environmental Assessment

    Author : Britta Palm; [2007]
    Keywords : pesticide residues; water sources; rice; Tarapoto; Peru; SPE; GC-ECD; PRA RRA; usage patterns; Tamaron; Thiodan; methamidophos; carbofuran; carbosulfan; endosulfan; alpha-cypermethrin; DDT; butachlor; parathion-ethyl; Residuos de plaguicidas; fuentes de agua; arroz; Tarapoto; Perú; EFS; GC-ECD; DRP VRR; manejo de plaguicidas; Tamaron; Thiodan; metamidofos; carbofuran; carbosulfan; endosulfan; alfa-cipermetrina; DDT; butacloro; parathion-ethyl;

    Abstract : A study concerning the use of pesticides in rice cultivation was performed in the Tarapoto-region, department of San Martín, Peru. The department is the second most important rice production in Peru with a large in-put of pesticides and water consumption. READ MORE