pesticide synergists

Summary

Summary: Chemicals that, while not possessing inherent pesticidal activity, nonetheless promote or enhance the effectiveness of other pesticides when combined.

Top Publications

  1. ncbi Pyrethroid resistance and mechanisms of resistance in field strains of Helicoverpa armigera (Lepidoptera: Noctuidae)
    K R Kranthi
    Central Institute for Cotton Research, Nagpur, India
    J Econ Entomol 94:253-63. 2001
  2. ncbi Effect of the synergist, piperonyl butoxide, on the development of deltamethrin resistance in yellow fever mosquito, Aedes aegypti L. (Diptera: Culicidae)
    Sarita Kumar
    Department of Zoology, University of Delhi, Delhi, India
    Arch Insect Biochem Physiol 50:1-8. 2002
  3. ncbi Alternative oxidase reduces the sensitivity of Mycosphaerella graminicola to QOI fungicides
    Monica Miguez
    Department of Environmental Sciences, University Pablo de Olavide, Seville, Spain
    Pest Manag Sci 60:3-7. 2004
  4. ncbi A novel assay reveals the blockade of esterases by piperonyl butoxide
    Anna C Khot
    Rothamsted Research, Harpenden, Hertfordshire AL5 2JQ, UK
    Pest Manag Sci 64:1139-42. 2008
  5. ncbi Cross-resistance, inheritance, and biochemistry of mitochondrial electron transport inhibitor-acaricide resistance in Tetranychus urticae (Acari: Tetranychidae)
    N Stumpf
    Agrochemicals Division, Research Insecticides, Bayer AC, Leverkusen, Germany
    J Econ Entomol 94:1577-83. 2001
  6. ncbi Effects of the synergists piperonyl butoxide and S,S,S-tributyl phosphorotrithioate on propoxur pharmacokinetics in Blattella germanica (Blattodea: Blattellidae)
    H Sanchez-Arroyo
    , , Mexico
    J Econ Entomol 94:1209-16. 2001
  7. ncbi Mechanisms of resistance to DDT and pyrethroids in Patagonian populations of Simulium blackflies
    C M Montagna
    Departamento de Quimica, Universidad Nacional del Comahue, Buenos Aires, Neuquen, Argentina
    Med Vet Entomol 17:95-101. 2003
  8. ncbi Development of toxicity identification evaluation procedures for pyrethroid detection using esterase activity
    Craig E Wheelock
    Department of Entomology and Cancer Research Center, University of California at Davis, Davis, California 95616, USA
    Environ Toxicol Chem 23:2699-708. 2004
  9. ncbi Potentiation/Antagonism of pyrethroids with organophosphate insecticides in Bemisia tabaci (Homoptera: Aleyrodidae)
    Mushtaq Ahmad
    Central Cotton Research Institute, Multan, Pakistan
    J Econ Entomol 100:886-93. 2007
  10. ncbi Mechanisms of resistance to organophosphates in Tetranychus urticae (Acari: Tetranychidae) from Greece
    A Tsagkarakou
    Institut des Sciences de l Evolution, Laboratoire Genetique et Environnement, CC 065, Universite Montpellier II, 34095 05, Montpellier, France
    Insect Biochem Mol Biol 32:417-24. 2002

Detail Information

Publications137 found, 100 shown here

  1. ncbi Pyrethroid resistance and mechanisms of resistance in field strains of Helicoverpa armigera (Lepidoptera: Noctuidae)
    K R Kranthi
    Central Institute for Cotton Research, Nagpur, India
    J Econ Entomol 94:253-63. 2001
    ..The information presented illustrates the importance of proper insect management programs to avoid the consequences associated with improper insecticide use...
  2. ncbi Effect of the synergist, piperonyl butoxide, on the development of deltamethrin resistance in yellow fever mosquito, Aedes aegypti L. (Diptera: Culicidae)
    Sarita Kumar
    Department of Zoology, University of Delhi, Delhi, India
    Arch Insect Biochem Physiol 50:1-8. 2002
    ..Implications of the results on the management of larval and adult stages of Ae. aegypti are discussed...
  3. ncbi Alternative oxidase reduces the sensitivity of Mycosphaerella graminicola to QOI fungicides
    Monica Miguez
    Department of Environmental Sciences, University Pablo de Olavide, Seville, Spain
    Pest Manag Sci 60:3-7. 2004
    ..Using QOIs preventatively reduces the risk of resistance since the alternative oxidase cannot by itself generate all the energy needed for germination and early infection...
  4. ncbi A novel assay reveals the blockade of esterases by piperonyl butoxide
    Anna C Khot
    Rothamsted Research, Harpenden, Hertfordshire AL5 2JQ, UK
    Pest Manag Sci 64:1139-42. 2008
    ..A new in vitro assay has been devised that routinely reveals binding between PBO and these esterases...
  5. ncbi Cross-resistance, inheritance, and biochemistry of mitochondrial electron transport inhibitor-acaricide resistance in Tetranychus urticae (Acari: Tetranychidae)
    N Stumpf
    Agrochemicals Division, Research Insecticides, Bayer AC, Leverkusen, Germany
    J Econ Entomol 94:1577-83. 2001
    ..This is the first attempt to mechanistically describe METI-acaricide resistance in T. urticae. The implications for resistance management strategies are discussed...
  6. ncbi Effects of the synergists piperonyl butoxide and S,S,S-tributyl phosphorotrithioate on propoxur pharmacokinetics in Blattella germanica (Blattodea: Blattellidae)
    H Sanchez-Arroyo
    , , Mexico
    J Econ Entomol 94:1209-16. 2001
    ..The data demonstrate that unanticipated effects are possible with synergists and that caution must be exercised when interpreting synergist results...
  7. ncbi Mechanisms of resistance to DDT and pyrethroids in Patagonian populations of Simulium blackflies
    C M Montagna
    Departamento de Quimica, Universidad Nacional del Comahue, Buenos Aires, Neuquen, Argentina
    Med Vet Entomol 17:95-101. 2003
    ..Knowing these spectra of insecticide activity and resistance mechanisms facilitates the choice of more effective products for Simulium control and permits better coordination with agrochemical operations...
  8. ncbi Development of toxicity identification evaluation procedures for pyrethroid detection using esterase activity
    Craig E Wheelock
    Department of Entomology and Cancer Research Center, University of California at Davis, Davis, California 95616, USA
    Environ Toxicol Chem 23:2699-708. 2004
    ..These results indicate that the addition of carboxylesterase to TIE procedures can be used to detect pyrethroids in aquatic samples...
  9. ncbi Potentiation/Antagonism of pyrethroids with organophosphate insecticides in Bemisia tabaci (Homoptera: Aleyrodidae)
    Mushtaq Ahmad
    Central Cotton Research Institute, Multan, Pakistan
    J Econ Entomol 100:886-93. 2007
    ..tabaci. Chlorpyrifos was antagonistic with cypermethrin but had an additive effect with fenpropathrin...
  10. ncbi Mechanisms of resistance to organophosphates in Tetranychus urticae (Acari: Tetranychidae) from Greece
    A Tsagkarakou
    Institut des Sciences de l Evolution, Laboratoire Genetique et Environnement, CC 065, Universite Montpellier II, 34095 05, Montpellier, France
    Insect Biochem Mol Biol 32:417-24. 2002
    ....
  11. ncbi Efficacy of Biomist 30:30 and Aqua Reslin against Anopheles quadrimaculatus in Arkansas
    R J Crockett
    Department of Entomology, University of Arkansas, Fayetteville 72701, USA
    J Am Mosq Control Assoc 18:68-9. 2002
    ..05). Between 12 and 24 h, about 8% recovery was observed in mosquitoes treated with Aqua Reslin at 31 m...
  12. ncbi Differential expression and induction of two Drosophila cytochrome P450 genes near the Rst(2)DDT locus
    A Brandt
    Department of Entomology, Room 100, 1158 Smith Hall, Purdue University, West Lafayette, IN 47907 1158, USA
    Insect Mol Biol 11:337-41. 2002
    ..3-fold; CYP12D1 = 6.0-fold), and (iv) exposure to DDT results in an increased expression of only one of these two P450 genes (CYP12D1 > or = 6-fold above constitutive resistant fly baselines)...
  13. ncbi High level methoprene resistance in the mosquito Ochlerotatus nigromaculis (Ludlow) in central California
    Anthony J Cornel
    Department of Entomology, University of California, Davis, Kearney Agricultural Center, Mosquito Control Research Laboratory, Parlier, CA 93648, USA
    Pest Manag Sci 58:791-8. 2002
    ....
  14. ncbi Altering cytochrome P4501A activity affects polycyclic aromatic hydrocarbon metabolism and toxicity in rainbow trout (Oncorhynchus mykiss)
    Stephanie A Hawkins
    School of Environmental Studies, Queen s University, Kingston, Ontario, Canada
    Environ Toxicol Chem 21:1845-53. 2002
    ..These results support the role of CYP1A activity in PAH metabolism and excretion, and the role ofthe CYP1A-generatedmetabolites of PAHs in chronic toxicity to larval fish...
  15. ncbi Suppression of bloodfeeding by Ochlerotatus dorsalis and Ochlerotatus melanimon on cattle treated with python ear tags
    J E Lloyd
    Department of Renewable Resources, University of Wyoming, Laramie 82071 3354, USA
    J Am Mosq Control Assoc 18:207-9. 2002
    ..The effect of the treatment appeared to be repellency, because no mosquito mortality was observed at the time of collection and no mortality was observed among bloodfed mosquitoes that were collected and held for 24 h...
  16. ncbi Fenbendazole pharmacokinetics, metabolism, and potentiation in horses
    Q A McKellar
    Moredun Research Institute, Penicuik, Scotland, United Kingdom
    Drug Metab Dispos 30:1230-9. 2002
    ..It is concluded that in horses efficacy of FBZSO and FBZ could be improved by administration to unfed animals and coadministration with piperonyl-butoxide...
  17. ncbi Biotransformation and bioconcentration of pyrene in Daphnia magna
    Jarkko Akkanen
    Department of Biology, Laboratory of Aquatic Ecology and Ecotoxicology, University of Joensuu, P O Box 111, FIN 80101, Joensuu, Finland
    Aquat Toxicol 64:53-61. 2003
    ..The data demonstrate capability and importance of CYP monooxygenases in biotransformation of polycyclic aromatic hydrocarbons in D. magna...
  18. ncbi Structure-activity relationship study of alkynyl ether insecticide synergists and the development of MB-599 (verbutin)
    Béla Bertók
    Agro Chemie Pesticide Manufacturing Trading and Distributing Co Ltd, 1225 Budapest, Bányalég u 2, Hungary
    Pest Manag Sci 59:377-92. 2003
    ..A product containing a (1+1) mixture of verbutin and beta-cypermethrin was launched in Hungary in 2002...
  19. ncbi In vitro metabolism of 14C-moxidectin by hepatic microsomes from various species
    J Dupuy
    INRA-Toulouse, Laboratoire de Pharmacologie-Toxicologie, Tournefeuiille, France
    Vet Res Commun 25:345-54. 2001
    ..4% out of the total detected radioactivity in pigs and 19.3% in sheep. In addition, the importance of P450 3A in the metabolism of 14C-moxidectin was confirmed by using in vivo induced P450 in combination with various P450 inhibitors...
  20. ncbi Comparative susceptibility and possible detoxification mechanisms for selected miticides in banks grass mite and two-spotted spider mite (Acari: Tetranychidae)
    X Yang
    Department of Entomology, Kansas State University, Manhattan 66506-4004, USA
    Exp Appl Acarol 25:293-9. 2001
    ..Apparently, these metabolic enzymes play less of a role in detoxification of this organophosphate in these mites...
  21. ncbi Toxicity, synergism, and neurological effects of novel volatile insecticides in insecticide-susceptible and -resistant Drosophila strains
    Sam N Nguyen
    Insect Toxicology Laboratory, Department of Entomology and Nematology, University of Florida, Gainesville, FL 32611 0620, USA
    J Econ Entomol 100:534-44. 2007
    ..These findings also suggest potential approaches for insecticide deployment in integrated vector management and resistance management programs...
  22. ncbi Inhibition of carbamate-insensitive acetylcholinesterase by piperonyl butoxide in Helicoverpa armigera
    Robin V Gunning
    New South Wales Department of Primary Industries, Calala, NSW 2340, Australia
    J Mol Neurosci 30:21-2. 2006
    ..1998). This work discusses PBO inhibition of AChE in H. armigera and explores synergism...
  23. ncbi [Investigation of pediculosis carried out as the special study module No. 74, a part of Ege University Medical Faculty's educational program]
    Esra Noyan
    Ege Universitesi Tip Fakültesi III Sinif Oğrencisi ve 74 no lu OCM Oğrencileri
    Turkiye Parazitol Derg 30:32-4. 2006
    ..Twenty female students had pediculosis capitis, but no male students were infested. The infestation rate in the girls was 55.5%. Positive cases were treated and 35.0% were found to be cured during a control performed one week later...
  24. ncbi Involvement of cytochrome P-450 enzyme activity in the selectivity and safening action of pyrazosulfuron-ethyl
    M S Yun
    Upland Weed Laboratory, Department of Farmland Utilization, National Agriculture Research Center, 3-1-1 Kannondai, Tsukuba City, Ibaraki Prefecture, 305-8666 Japan
    Pest Manag Sci 57:283-8. 2001
    ..Furthermore, these results suggest the existence of a multiple form of cytochrome P-450 in plants...
  25. ncbi Evaluation of substituted oxime ethers for growth regulatory activity against Spodoptera litura (F.)
    H Izadi
    Division of Plant Protection, Faculty of Agriculture, Valie Asr University, Rafsanjan, Iran
    Commun Agric Appl Biol Sci 70:651-60. 2005
    ..Three compounds used in this study were also synergised by piperonyl butoxide (PBO). The synergistic ratios were found in the range of 1.33 to 4.605. The ovicidal activity of the oxime ethers is not significant...
  26. ncbi Effect of pretreatment with piperonyl butoxide on pyrethroid efficacy against insecticide-resistant Helicoverpa armigera (Lepidoptera: Noctuidae) and Bemisia tabaci (Sternorrhyncha: Aleyrodidae)
    Susan J Young
    Rothamsted Research, Harpenden, Hertfordshire AL5 2JQ, UK
    Pest Manag Sci 62:114-9. 2006
    ..These results demonstrate that PBO can restore pyrethroid efficacy in the field against both B-type B. tabaci and resistant H. armigera...
  27. ncbi Ground ultra-low volume assessment of Aqua-Kontrol
    M V Meisch
    Department of Entomology, 319 Agriculture Building, University of Arkansas, Fayetteville, AR 72701, USA
    J Am Mosq Control Assoc 22:758-9. 2006
    ..Droplet collections on magnesium-oxide-coated (MGO) glass slides from 3 applications revealed mean deposition rate of 216 droplets/cm2 and 11-micron volume median diameter (VMD) (based on Aqua-Kontrol label spread factor of 0.61)...
  28. ncbi Ultra low volume aerosol application of deltacide (deltamethrin 0.5% w/v, S-bioallethrin 0.71% w/v & piperonyl butoxide 8.9% w/v) against mosquitoes
    R Srinivasan
    Vector Control Research Centre ICMR, Pondicherry, India
    Indian J Med Res 123:55-60. 2006
    ..Aedes aegypti, Anopheles stephensi and Culex quinquefasciatus...
  29. ncbi Influence of suspended solids on acute toxicity of carbofuran to Daphnia magna: I. Interactive effects
    Carl Herbrandson
    National Biological Service, Minnesota Cooperative Fish and Wildlife Research Unit, University of Minnesota, 200 Hodson Hall, St Paul, MN 55108, USA
    Aquat Toxicol 63:333-42. 2003
    ..00014 [suspended solids]). An analysis of the data indicates that this relationship is consistent with a potentiated toxicity mechanism rather than an additive model...
  30. ncbi Insecticide toxicity and synergism by enzyme inhibitors in 18 species of pest insect and natural enemies in crucifer vegetable crops
    Gang Wu
    Key Laboratory of Biopesticide and Chemical Biology, Fujian Agriculture and Forestry University, Ministry of Education, Fuzhou, Fujian 350002, China
    Pest Manag Sci 63:500-10. 2007
    ..Possible causes of the high synergistic effects of PB on the four classes of insecticides, based on multiattack on the activity of CarE, GST or AChE in the insect species, are also discussed...
  31. ncbi Investigating the potential of selected natural compounds to increase the potency of pyrethrum against houseflies Musca domestica (Diptera: Muscidae)
    Tanya Joffe
    School of Agricultural Science TIAR, University of Tasmania, Hobart, TAS, Australia
    Pest Manag Sci 68:178-84. 2012
    ....
  32. ncbi Responses of Corcyra cephalonica (Stainton) to pirimiphos-methyl, spinosad, and combinations of pirimiphos-methyl and synergized pyrethrins
    Fangneng Huang
    Department of Grain Science and Industry, Kansas State University, Manhattan, Kansas 66506 2201, USA
    Pest Manag Sci 60:191-8. 2004
    ..Although spinosad is not currently labeled for use on stored corn and sunflower seeds, it appears to be effective against C cephalonica on both commodities at very low rates...
  33. ncbi Dietary transfer of fluoranthene from an estuarine oligochaete (Monopylephorus rubroniveus) to grass shrimp (Palaemonetes pugio): Influence of piperonyl butoxide
    A B Filipowicz
    College of Charleston, Grice Marine Laboratory, 205 Fort Johnson Road, Charleston, SC 29412, USA
    Mar Environ Res 63:132-45. 2007
    ..However, the comparatively low TTCs suggest that biomagnification of fluoranthene in estuarine food webs is low...
  34. ncbi Pyrethroid resistance in Aedes aegypti larvae (Diptera: Culicidae) from Singapore
    Sin Ying Koou
    Environmental Health Institute, National Environment Agency, 11 Biopolis Way 06 05 08, Helios Block, Singapore 138667
    J Med Entomol 51:170-81. 2014
    ..This study clearly demonstrated that pyrethroid resistance is widespread among Ae. aegypti population and lowered susceptibility to organophosphates is developing...
  35. ncbi Dieldrin resistance in the malaria vector Anopheles gambiae in Ghana
    B D Brooke
    Vector Control Reference Unit, National Institute for Communicable Diseases, Sandringham, South Africa
    Med Vet Entomol 20:294-9. 2006
    ....
  36. ncbi Changes to oxfendazole chiral kinetics and anthelmintic efficacy induced by piperonyl butoxide in horses
    S F Sanchez Bruni
    Facultad de Ciencias Veterinarias, Universidad Nacional del Centro de la Provincia de Buenos Aires, Campus Universitario, 7000, Tandil
    Equine Vet J 37:257-62. 2005
    ..The study of novel pharmacological strategies to control parasitism in horses is required since many parasite species have developed resistance to anthelmintic drugs...
  37. ncbi Toxicity of the mosquito control pesticide Scourge to adult and larval grass shrimp (Palaemonetes pugio)
    Peter Key
    National Ocean Service, Center for Coastal Environmental Health and Biomolecular Research, Charleston, SC 29412, USA
    J Environ Sci Health B 40:585-94. 2005
    ..The results also demonstrate that synergized resmethrin is more toxic to P. pugio than the nonsynergized form, and that the presence of sediment decreases the toxicity of both resmethrin and Scourge...
  38. ncbi Characterisation of field-evolved resistance to chlorantraniliprole in the diamondback moth, Plutella xylostella, from China
    Xingliang Wang
    Key Laboratory of Integrated Management of Crop Diseases and Pests Ministry of Education, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China
    Pest Manag Sci 69:661-5. 2013
    ..An investigation was made of diamide cross-resistance, as well as inheritance, stability and metabolic mechanisms of chlorantraniliprole resistance in field populations of P. xylostella from southern China...
  39. ncbi Cypermethrin pour-on synergized with piperonyl butoxide: effects on Haematobia irritans (Diptera: Muscidae) natural populations resistant to cypermethrin
    A A Guglielmone
    Instituto Nacional de Tecnologia Agropecuaria, Estación Experimental Rafaela, Santa Fe, Argentina
    Vet Parasitol 83:65-72. 1999
    ..6 and 226.1 microg per cm2 in October and December, respectively. It is concluded that the addition of PBO to cypermethrin did not provide a treatment that would give a long term control of pyrethroid resistant-horn flies...
  40. ncbi Population-level toxicity of the insecticide, spinosad and the nonylphenol polyethoxylate, R-11, to the cladoceran species Ceriodaphnia dubia Richard
    Angela D Deardorff
    Department of Entomology, Washington State University, Puyallup, Washington, USA
    J Environ Sci Health B 46:336-40. 2011
    ..dubia. However, spinosad appears to affect C. dubia at or near the EEC while R-11 does not negatively affect this species until concentrations are much higher than the EEC...
  41. ncbi Hepatic xenobiotic metabolism of cylindrospermopsin in vivo in the mouse
    R L G Norris
    National Research Centre for Environmental Toxicology, 39 Kessels Road, 4108, Coopers Plains, QLD, Australia
    Toxicon 40:471-6. 2002
    ..05 Chi squared) and was protective at doses up to 0.8 mg/kg, suggesting activation of CYN by P450 is of primary importance in the mechanism of action...
  42. ncbi Organophosphates' resistance in the B-biotype of Bemisia tabaci (Hemiptera: Aleyrodidae) is associated with a point mutation in an ace1-type acetylcholinesterase and overexpression of carboxylesterase
    Michal Alon
    Department of Entomology, Faculty of Agriculture, The Hebrew University of Jerusalem, Rehovot, Israel
    Insect Biochem Mol Biol 38:940-9. 2008
    ..Lastly, we bring new biochemical evidence that support the involvement of both AChE insensitivity and COE metabolism in resistance to OP insecticides in the resistant strain...
  43. ncbi Toxicity of synthetic piperonyl compounds to leaf-cutting ants and their symbiotic fungus
    S R Victor
    Centro de Estudos de Insetos Socials, Universidade Estadual Paulista, UNESP, Caixa Postal 199, CEP 13506-900, Rio Claro-SP, Brazil
    Pest Manag Sci 57:603-8. 2001
    ..The possibility of controlling these insects in the future using compounds that can target simultaneously both organisms is discussed...
  44. ncbi Cross-resistance, genetics, and realized heritability of resistance to fipronil in the house fly, Musca domestica (Diptera: Muscidae): a potential vector for disease transmission
    Naeem Abbas
    Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan
    Parasitol Res 113:1343-52. 2014
    ..It was concluded that fipronil resistance in M. domestica was autosomally inherited, incompletely dominant, and polygenic. These findings would be helpful for the better and successful management of M. domestica...
  45. ncbi Evaluation of the efficacy of glyphosate plus urea phosphate in the greenhouse and the field
    Pingliang Li
    College of Agriculture and Biotechnology, China Agricultural University, Beijing, PR China
    Pest Manag Sci 68:170-7. 2012
    ..Experiments in the greenhouse and the field were conducted to determine the effects of UPP by comparing the efficacies of glyphosate plus UPP, glyphosate plus 1-aminomethanamide dihydrogen tetraoxosulfate (AMADS) and Roundup...
  46. ncbi Efficacy of piperonyl butoxide (PBO) as a synergist with deltamethrin on five species of mosquitoes
    V A Vijayan
    Department of Studies in Zoology, Manasagangothri, Mysore
    J Commun Dis 39:159-63. 2007
    ..Present study demonstrates the efficacy of PBO with deltamethrin against the field collected mosquito larvae of five species of Aedes, Anopheles and Culexfrom in and around Mysore...
  47. ncbi Adipokinetic hormone (Pyrap-AKH) enhances the effect of a pyrethroid insecticide against the firebug Pyrrhocoris apterus
    Dalibor Kodrik
    Institute of Entomology, Biology Centre, Academy of Sciences, CZ 370 05 Ceske Budejovice, Czech Republic
    Pest Manag Sci 66:425-31. 2010
    ..The effect of Pyrap-AKH on the mortality of the firebug Pyrrhocoris apterus (L.) treated with the insecticide permethrin (Ambush 25 EC) was studied...
  48. ncbi Joint action of quercetin with four insecticides on the cotton leaf-worm larvae, Spodoptera littoralis Boisd. (Lep. : Noctuidae) in Egypt
    H A Mesbah
    Faculty of Agriculture, Saba Basha, Plant Protection Department Alexandria University, Egypt
    Commun Agric Appl Biol Sci 72:445-57. 2007
    ....
  49. ncbi Comparison of efficacy, absorption and translocation of three glyphosate formulations on velvetleaf (Abutilon theophrasti)
    David Belles
    Bioagricultural Science and Pest Management Department, Colorado State University, Fort Collins, CO 80523 1177, USA
    Pest Manag Sci 62:1177-81. 2006
    ..AMS increased the efficacy of all three formulations by increasing absorption and translocation of glyphosate in the plant...
  50. ncbi Cuprizone and piperonyl butoxide, proposed inhibitors of T-cell function, attenuate experimental allergic encephalomyelitis in SJL mice
    M R Emerson
    Department of Molecular and Integrative Physiology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS 66160, USA
    J Neuroimmunol 119:205-13. 2001
    ..host disease (GVHD) indicating attenuation of an immune T-cell response. These results suggest that cuprizone and PBO suppress EAE and use of these agents will provide insights into the mechanisms of T-cell mediated diseases...
  51. ncbi Pyrethroid insecticides: poisoning syndromes, synergies, and therapy
    D E Ray
    Medical Research Council Toxicology Unit, Centre for Mechanisms in Human Toxicology, Leicester, United Kingdom
    J Toxicol Clin Toxicol 38:95-101. 2000
    ..Pentobarbitone, however, is surprisingly effective as therapy against systemic type II pyrethroid poisoning in rats, probably due to its dual action as a chloride channel agonist and a membrane stabilizer...
  52. ncbi Inhibition of the microsomal metabolism of 1,8-cineole in the common brushtail possum (Trichosurus vulpecula) by terpenes and other chemicals
    G J Pass
    School of Pharmacy, University of Tasmania, Hobart 7001, Australia
    Xenobiotica 32:1109-26. 2002
    ....
  53. ncbi Genetic characterization of resistance to deltamethrin in Plutella xylostella (Lepidoptera: Plutellidae) from India
    Venkatasamy Balasubramani
    Department of Biochemistry, School of Life Sciences, University of Sussex, Falmer, Brighton, United Kingdom BN1 9QG
    J Econ Entomol 101:1911-8. 2008
    ..Further analysis suggested that mixing PBO and deltamethrin could eliminate the substantial resistance to deltamethrin in this population...
  54. ncbi Effects of spirodiclofen on reproduction in a susceptible and resistant strain of Tetranychus urticae (Acari: Tetranychidae)
    Steven Van Pottelberge
    Laboratory of Agrozoology, Department of Crop Protection, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000, Ghent, Belgium
    Exp Appl Acarol 47:301-9. 2009
    ..Our data shows that the detection of spirodiclofen resistance should not be limited to mortality bioassays with eggs or larvae, but should be combined with inhibitory studies on female fertility and fecundity...
  55. ncbi Metabolism and excretion of piperonyl butoxide in the rat
    J Byard
    AgrEvo UK Ltd, Chesterford Park, Saffron Walden, UK
    Xenobiotica 36:1259-72. 2006
    ..The identified metabolites accounted for approximately 60% of the administered dose...
  56. ncbi Thiols and polyamines in the potentiation of malathion toxicity in larval stages of the toad Bufo arenarum
    A Venturino
    LIBIQUIMA, Universidad Nacional del Comahue, Buenos Aires 1400, 8300, , Argentina
    Comp Biochem Physiol C Toxicol Pharmacol 130:191-8. 2001
    ..Our results suggest that exposure to thiols-depleting agents may induce alteration of organophosphate degradation in amphibian larvae...
  57. ncbi Evaluation of piperonyl butoxide as a deltamethrin synergist for pyrethroid-resistant bed bugs
    Alvaro Romero
    Department of Entomology, University of Kentucky, Lexington, KY 40546, USA
    J Econ Entomol 102:2310-5. 2009
    ..Addition of PBO to pyrethroids is not a comprehensive solution to pyrethroid resistance because strains vary in both overall resistance level and the proportion of that resistance attributable to P450s...
  58. ncbi Genetics and mechanism of resistance to deltamethrin in a field population of Spodoptera litura (Lepidoptera: Noctuidae)
    Munir Ahmad
    Department of Entomology, University College of Agriculture, Bahauddin Zakariya University, Multan, Pakistan
    Pest Manag Sci 63:1002-10. 2007
    ..litura. Therefore, the genetics and mechanisms of the resistance of S. litura to deltamethrin were investigated...
  59. ncbi The synergistic effects of insecticidal essential oils and piperonyl butoxide on biotransformational enzyme activities in Aedes aegypti (Diptera: Culicidae)
    Ranil Waliwitiya
    Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, Canada, V5A 1S6
    J Med Entomol 49:614-23. 2012
    ..This study indicates a synergistic interaction between essential oils and PBO in inhibiting the cytochrome P450 and GST detoxification enzymes in Ae. aegypti...
  60. ncbi Toxaphene detoxification and acclimation in Daphnia magna: do cytochrome P-450 enzymes play a role?
    Donna R Kashian
    Department of Fisheries and Wildlife Biology, Colorado State University, 136 JVK Wagar Building, Fort Collins, CO 80523 1474, USA
    Comp Biochem Physiol C Toxicol Pharmacol 137:53-63. 2004
    ..Thus, sublethal toxaphene toxicity effects such as reproductive impairments may be detectable with acute but not chronic tests, potentially due to the upregulation of P-450 isozymes...
  61. ncbi Efficacy of various pyrethroid structures against a highly metabolically resistant isogenic strain of Helicoverpa armigera (Lepidoptera: Noctuidae) from China
    Jianguo Tan
    Department of Entomology, New York State Agricultural Experiment Station, Cornell University, Geneva, NY 14456, USA
    Pest Manag Sci 63:960-8. 2007
    ..armigera. With this strain, cross-resistance among 19 pyrethroid insecticides with varying chemical structures was analysed...
  62. ncbi Acute toxicity of drainage ditch water from a Washington State cranberry-growing region to Daphnia pulex in laboratory bioassays
    Barbara Wood
    Ecotoxicology Program, Department of Entomology, Washington State University, 7612 Pioneer Way East, Puyallup, Washington 98371, USA
    Ecotoxicol Environ Saf 53:273-80. 2002
    ..Grab samples used in toxicity testing may over- or underestimate actual concentrations of contaminants present in the system being studied...
  63. ncbi Activity of some chemicals in the control of Botrytis cinerea on roses
    A T Wojdyła
    Research Institute of Pomology and Floriculture, Pomologiczna 18, 96 100 Skierniewice, Poland
    Commun Agric Appl Biol Sci 68:711-5. 2003
    ..50 WP and Penncozeb 80 WP completely suppressed conidia germination...
  64. ncbi The in vivo pediculicidal efficacy of a natural remedy
    Kosta Y Mumcuoglu
    Department of Parasitology, Hebrew University Medical School, Jerusalem, Israel
    Isr Med Assoc J 4:790-3. 2002
    ..Over the past 20-25 years, 15-20% of all children in Israel between 4 and 13 years of age have been infested with head lice. This is mainly due to the existence of ineffective pediculicides on the market...
  65. ncbi Synergistic actions of formamidine insecticides on the activity of pyrethroids and neonicotinoids against Aedes aegypti (Diptera: Culicidae)
    M A I Ahmed
    Department of Environmental Toxicology University of California Davis, 95616, USA
    J Med Entomol 49:1405-10. 2012
    ..These results indicate that amitraz is a promising synergist that shows the potential to increase the efficacy of certain members of type II pyrethroids as well as neonicotinoids to control Ae. aegypti larvae...
  66. ncbi Association of esterases with insecticide resistance in Culex quinquefasciatus (Diptera: Culicidae)
    Jennifer R Gordon
    Louisiana State University Agricultural Center, Baton Rouge, LA 70803, USA
    J Econ Entomol 105:971-8. 2012
    ..Results from this study will allow management strategies for populations of C. quinquefasciatus to be optimized, and provide a foundation for further studies exploring use of esterase inhibitors as synergists of pyrethroid toxicity...
  67. ncbi Mechanisms underlying fipronil resistance in a multiresistant field strain of the German cockroach (Blattodea: Blattellidae)
    Ameya D Gondhalekar
    Entomology and Nematology Department, University of Florida, Gainesville, FL, USA
    J Med Entomol 49:122-31. 2012
    ....
  68. pmc The insecticide synergist piperonyl butoxide inhibits hedgehog signaling: assessing chemical risks
    Jiangbo Wang
    Department of Medicine, Duke University Medical Center, Durham, North Carolina 27710, USA
    Toxicol Sci 128:517-23. 2012
    ....
  69. ncbi Inhibition against mosquito cytochrome P450 enzymes by rhinacanthin-A, -B, and -C elicits synergism on cypermethrin cytotoxicity in Spodoptera frugiperda cells
    Sirikun Pethuan
    Department of Biochemistry, Faculty of Science, Mahidol University, Rama 6 Road, Phyatai, Bangkok 10400, Thailand
    J Med Entomol 49:993-1000. 2012
    ..The combined inhibition effect on mosquito cytochrome P450 enzyme and synergistic effect on cypermethrin cytotoxicity of the three R. nasutus compounds could be beneficial for resistance management strategies in mosquito vector control...
  70. pmc The importance of modelling the spread of insecticide resistance in a heterogeneous environment: the example of adding synergists to bed nets
    Susana Barbosa
    Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, UK
    Malar J 11:258. 2012
    ....
  71. ncbi Esterase inhibition by synergists in the western flower thrips Frankliniella occidentalis
    Neus López-Soler
    Departament de Biologia Funcional i Antropologia Física, Universitat de Valencia, Burjassot, Valencia, Spain
    Pest Manag Sci 67:1549-56. 2011
    ..However, they do not always act as intended or expected, and caution must be exercised when interpreting synergist results...
  72. ncbi Genetics and mechanisms of permethrin resistance in the Santa Luiza strain of Boophilus microplus (Acari: Ixodidae)
    Andrew Y Li
    USDA ARS, Knipling Bushland U S Livestock Insects Research Laboratory, 2700 Fredericksburg Rd, Kerrville, TX 78028, USA
    J Med Entomol 45:427-38. 2008
    ..microplus...
  73. ncbi Resistance to malathion in field populations of Ceratitis capitata
    C Magana
    Departamento de Biología de Plantas, Centro de Investigaciones Biologicas, CSIC, Ramiro de Maeztu 9, 28040 Madrid, Spain
    J Econ Entomol 100:1836-43. 2007
    ..capitata. Nonetheless, additional biochemical and molecular studies will be required to confirm this hypothesis...
  74. ncbi Threshold dose of piperonyl butoxide that induces reactive oxygen species-mediated hepatocarcinogenesis in rats
    Masako Muguruma
    Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, 3 5 8 Saiwai cho, Fuchu, Tokyo 183 8509, Japan
    Arch Toxicol 83:183-93. 2009
    ..03%...
  75. ncbi The influence of the extensional viscosity of very low concentrations of high molecular mass water-soluble polymers on atomisation and droplet impact
    Peter A Williams
    Centre for Water Soluble Polymers, North East Wales Institute, Plas Coch, Mold Road, Wrexham LL11 2AW, UK
    Pest Manag Sci 64:497-504. 2008
    ..It is important to establish a fundamental understanding of how polymers influence the processes involved in droplet deposition...
  76. ncbi The efficiency of adjuvants combined with flupyrsulfuron-methyl plus metsulfuron-methyl (Lexus XPE) on weed control
    B Heremans
    University College Ghent, Faculty of Biosciences and Landscape Architecture Diepestraat 1, BE 9820 Merelbeke, Belgium
    Commun Agric Appl Biol Sci 72:53-8. 2007
    ..The efficiency of the herbicide improved in combination of adjuvants. The level of phytotoxicity of the adjuvants-herbicide treatments appllied varied among the different weed species...
  77. ncbi Combinations of reduced rates of 1,3-dichloropropene and dazomet as a broad spectrum soil fumigation strategy in view of methyl bromide replacement
    E Van Wambeke
    Certis Europe B V, Woluwedal 60, BE 1200 Brussels, Belgium
    Commun Agric Appl Biol Sci 72:61-70. 2007
    ..Finally, it is emphasized that appropriate application systems and machinery need more attention to achieve good results with this type of fumigants, i.e. less volatile and with less good diffusion capacity as compared to methyl bromide...
  78. ncbi Aldrin epoxidation and dihydroisodrin hydroxylation as probes of in vivo and in vitro oxidative metabolic capability of some caterpillars
    Robert I Krieger
    Personal Chemical Exposure Program, 10 Chapman Hall, Department of Entomology, Environmental Toxicology Graduate Program, University of California, Riverside, CA 9252, USA
    Pest Manag Sci 64:622-7. 2008
    ..Knowledge of dose and time relationships demands very careful evaluation in living things in the environment...
  79. ncbi Control of mosquito vectors of tropical infectious diseases: (2) pyrethroid susceptibility of Aedes aegypti ( l) collected from different sites in Thailand
    Yoshio Katsuda
    Research and Development Laboratory, Dainihon Jochugiku, Osaka, Japan
    Southeast Asian J Trop Med Public Health 39:229-34. 2008
    ..In contrast, the repellent effect of commercial dl, d-T80-allethrin 0.20% coils was as low as about 50%. The d, d-T-prallethrin and K-3050 coils with the synergist were confirmed to be highly effective in repelling Ae. aegypti...
  80. ncbi Evaluation of cucurbitacin-based gustatory stimulant to facilitate cucumber beetle (Coleoptera: Chrysomelidae) management with foliar insecticides in melons
    Andrew B Pedersen
    Department of Entomology, University of California, Davis, Briggs Hall, One Shields Avenue, Davis, CA 95616, USA
    J Econ Entomol 104:1294-300. 2011
    ..Results indicated that the bait formulation used did not improve cucumber beetle control but may benefit from the addition of floral attractants or using a different type of cucurbitacin...
  81. ncbi Monitoring of spirodiclofen susceptibility in field populations of European red mites, Panonychus ulmi (Koch) (Acari: Tetranychidae), and the cross-resistance pattern of a laboratory-selected strain
    Tina Kramer
    Bayer CropScience AG, Research Insecticides, Monheim, Germany
    Pest Manag Sci 67:1285-93. 2011
    ..In the present study, European field populations collected in 2009 and 2010 were checked for their susceptibility to spirodiclofen by using discriminating dose and full dose response bioassays...
  82. ncbi Laboratory evaluation of verbutin as a synergist of acaricides against larvae of Rhipicephalus (Boophilus) microplus (Acari: Ixodidae)
    Andrew Y Li
    USDA ARS, Knipling Bushland U S Livestock Insects Research Laboratory, 2700 Fredericksburg Rd, Kerrville, TX 78028, USA
    J Econ Entomol 103:1360-4. 2010
    ..SRs ranged from 2.1 to 4.4 and from 2.1 to 3.6 for PBO and verbutin, respectively...
  83. ncbi Cross-resistance to insecticides in a malathion-resistant strain of Ceratitis capitata (Diptera: Tephritidae)
    Francisco Couso-Ferrer
    Departamento de Biología Medioambiental, Centro de Investiga clones Biológicas, CSIC, Ramiro de Maeztu 9, 28040 Madrid, Spain
    J Econ Entomol 104:1349-56. 2011
    ..Especially relevant is the case of lambda-cyhalothrin, because we have shown that resistance to this insecticide can rapidly evolve to levels that may compromise its effectiveness in the field...
  84. pmc Biochemical basis of permethrin resistance in Anopheles arabiensis from Lower Moshi, north-eastern Tanzania
    Johnson Matowo
    Pan African Malaria Vector Research Consortium www pamverc org
    Malar J 9:193. 2010
    ..In this study, metabolic-based mechanisms conferring permethrin (pyrethroid) resistance were investigated in Anopheles arabiensis of Lower Moshi, Kilimanjaro region of north-eastern Tanzania...
  85. ncbi Synthesis of novel vanillin derivatives containing isothiazole moieties and its synergistic effect in mixtures with insecticides
    Vladimir Potkin
    Institute of Physical Organic Chemistry, National Academy of Sciences of Belarus, 13 Surganova Str, 220072 Minsk, Belarus
    Nat Prod Commun 4:1205-8. 2009
    ..By treatment of azomethins 2-7 with sodium triacetoxyborohydride corresponding amines 8-11 were obtained. During the bioassays of new vanillin derivatives in mixtures with insecticides remarkable synergetic effect was discovered...
  86. ncbi Effects of piperonyl butoxide on spontaneous behavior in F1-generation mice
    Toyohito Tanaka
    Department of Environmental Health and Toxicology, Tokyo Metropolitan Institute of Public Health, Hyakunincho, Shinjuku ku, Tokyo, Japan
    Toxicol Ind Health 25:489-97. 2009
    ..Dose levels of piperonyl butoxide used in the present study produced several adverse effects in neurobehavioral parameters in mice...
  87. pmc Evidence for inhibition of cholinesterases in insect and mammalian nervous systems by the insect repellent deet
    Vincent Corbel
    Laboratoire de Lutte contre les Insectes Nuisibles, Institut de Recherche pour Développement, F 34 394 Montpellier, France
    BMC Biol 7:47. 2009
    ..Here, we investigated the molecular target site for deet and the consequences of its interactions with carbamate insecticides on the cholinergic system...
  88. ncbi Synergistic interactions between Cry1Ac and natural cotton defenses limit survival of Cry1Ac-resistant Helicoverpa zea (Lepidoptera: Noctuidae) on Bt cotton
    Konasale J Anilkumar
    Department of Entomology and Plant Pathology, Auburn University, Auburn, AL 36849, USA
    J Chem Ecol 35:785-95. 2009
    ..those fed gossypol plus Cry1Ac. These results may help explain the inability of Cry1Ac-resistant H. zea to complete development on Bt cotton, and the absence of field-evolved resistance to Bt cotton by this pest...
  89. ncbi Effect of synergist piperonyl butoxide (PBO) on the toxicity of some essential oils against mosquito larvae
    S Yadav
    National Institute of Malaria Research, 2 Nanak Enclave, Radio Colony, Delhi 110009
    J Commun Dis 40:263-8. 2008
    ..19 ppm to 23.87 ppm. Similarly the oil of Pogostemon pacholli showed most significant results where the LC50 value was >250 ppm it was reduced to 50 ppm with PBO...
  90. ncbi Carbamates synergize the toxicity of acrinathrin in resistant western flower thrips (Thysanoptera: Thripidae)
    P Bielza
    Departamento de Producción Vegetal, Universidad Politecnica de Cartagena, Paseo Alfonso XIII 48, 30203 Cartagena, Spain
    J Econ Entomol 102:393-7. 2009
    ..Carbamates such as pirimicarb, oxamyl, and propamocarb could be practical candidates for field use as synergists, even against other pests with metabolic resistance...
  91. ncbi Can piperonyl butoxide enhance the efficacy of pyrethroids against pyrethroid-resistant Aedes aegypti?
    Georgina Bingham
    Innovation Centre, Vestergaard Frandsen, Lausanne, Switzerland
    Trop Med Int Health 16:492-500. 2011
    ..This enhancement stems from its ability to inhibit two major metabolic enzyme systems, P450s and non-specific esterases, and to enhance cuticular penetration of the insecticide...
  92. ncbi Microencapsulated pear ester enhances insecticide efficacy in walnuts for codling moth (Lepidoptera: Tortricidae) and navel orangeworm (Lepidoptera: Pyralidae)
    Douglas M Light
    Western Regional Research Center, Agricultural Research Service, USDA, 800 Buchanan St, Albany, CA 94710, USA
    J Econ Entomol 104:1309-15. 2011
    ....
  93. ncbi Causal connection between detoxification enzyme activity and consumption of a toxic plant compound
    M J Snyder
    Department of Entomology, University of Arizona, Tucson 85721, USA
    J Comp Physiol A 179:255-61. 1996
    ..These results provide direct evidence for a causal connection between P450-mediated detoxification activity and consumption of a toxic plant compound...
  94. ncbi Modulators of membrane drug transporters potentiate the activity of the DMI fungicide oxpoconazole against Botrytis cinerea
    Keisuke Hayashi
    Laboratory of Phytopathology, Wageningen University, PO Box 8025, 6700 EE Wageningen, The Netherlands
    Pest Manag Sci 59:294-302. 2003
    ..cinerea and suggest that mixtures of DMI fungicides with modulators may represent a perspective for the development of new resistance management strategies...
  95. ncbi Influence of suspended solids on acute toxicity of carbofuran to Daphnia magna: II. An evaluation of potential interactive mechanisms
    Carl Herbrandson
    National Biological Service, Minnesota Cooperative Fish and Wildlife Research Unit, 200 Hodson Hall, University of Minnesota, St Paul, MN 55108, USA
    Aquat Toxicol 63:343-55. 2003
    ..Additionally, decomposed peat was shown to be less of a stressor to these pelagic invertebrates than inorganic subsoil...
  96. ncbi Susceptibility of populations of Banks grass mites (Acari: Tetranychidae) suspected of developing bifenthrin resistance from three maize fields
    E D Bynum
    Texas Agricultural Experiment Station, Rt 3, Box 219, Lubbock, Texas 79403, USA
    Exp Appl Acarol 27:303-12. 2002
    ..The activity of a dimethoate + bifenthrin mixture and a three way mixture of dimethoate, bifenthrin, and piperonyl butoxide caused 5- and 38-fold increase in toxicity against the more resistant Banks grass mite...
  97. ncbi [Povidone-iodine and isothiozolone for removing red tide algae Phaeoecystis globosa]
    Aihua Hong
    College of Life Science and Technology, Jinan University, Guangdong 510632, China
    Ying Yong Sheng Tai Xue Bao 14:1177-80. 2003
    ..L-1, and that of isothiozolone was 0.30 mg.L-1. Using povidone-iodine and isothiozolone together could improve the effect, and the ideal composite ratio of povidone-iodine and isothiozolone was 1.0:0.15...
  98. ncbi Role of piperonyl butoxide in the toxicity of chlorpyrifos to Ceriodaphnia dubia and Xenopus laevis
    A El-Merhibi
    School of Pharmaceutical, Molecular and Biomedical Sciences, University of South Australia, Adelaide, SA 5000, Australia
    Ecotoxicol Environ Saf 57:202-12. 2004
    ..The results also indicate that the use of the biomarker AChE is useful in determining metabolic processes of organophosphorus insecticides, which require metabolic activation...
  99. ncbi Pyrethrins and piperonyl butoxide adsorption to soil organic matter
    George F Antonious
    Department of Plant and Soil Science, Kentucky State University, Frankfort, Kentucky 40601, USA
    J Environ Sci Health B 39:19-32. 2004
    ..Results indicated that humic acid, a significant component of organic matter, reduced Pys and PBO mobility. Pys and PBO mobility decreased as the concentration of humic acid in the mobile phase increased...
  100. ncbi Development of a novel self-medicating applicator for control of internal and external parasites of wild and domestic animals
    M J Burridge
    Department of Pathobiology, College of Veterinary Medicine, University of Florida, P O Box 110880, Gainesville, Florida 32611 0880, USA
    Onderstepoort J Vet Res 71:41-51. 2004
    ....
  101. ncbi Fenpyroximate resistance in Tetranychus urticae (Acari: Tetranychidae): cross-resistance and biochemical resistance mechanisms
    Young Joon Kim
    School of Agricultural Biotechnology, Seoul National University, Seoul 151 742, Republic of Korea
    Pest Manag Sci 60:1001-6. 2004
    ..These results suggested that enhanced activities of both mixed-function oxidases and esterases likely contribute to the fenpyroximate resistance of the FR-20 strain of T urticae...

Research Grants2

  1. Polytene chromosomes of Culex pipiens mosquito complex
    Anthony Cornel; Fiscal Year: 2004
    ..p. pipiens, Cx. p. quinquefasciatus and Cx. p. molestus and 2) Determine chromosomal homologies between Cx. p. pipiens, Cx. p. quinquefasciatus and Cx. p. molestus. ..
  2. Glutathione-s-transferase mediated pyrethroid resistance in Culex pipiens s.l.
    Anthony Cornel; Fiscal Year: 2007
    ..These studies will also lead to understanding the mechanism of metabolic resistance to aid in development of novel, next generation insecticides and synergists that may augment pyrethroids. [unreadable] [unreadable] [unreadable]..