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Doctoral Thesis
DOI
https://doi.org/10.11606/T.6.2020.tde-14042020-124640
Document
Author
Full name
Amir Bertoni Gebara
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 1998
Supervisor
Committee
Miguel, Omar (President)
Barata, José Maria Soares
Ferreira, Claudio Santos
Natal, Délsio
Pereira, Marcelo de Campos
Title in Portuguese
Eficácia de inseticidas piretróides no controle de Musca domestica (Linnaeus, 1758)
Keywords in Portuguese
Controle de Moscas
Inseticidas Piretróides
Musca Domestica
Abstract in Portuguese
A eficácia dos inseticidas piretróides alfa-cipermetrina, ciflutrina, cipermetrina, deltametrina, fenvalerato, lambda-cialotrina e permetrina foi testada contra uma linhagem de Musca domestica criada em laboratório usando-se teste tópico, no qual a substância pura foi diluída em acetona e o teste de torre no qual a formulação concentrada foi diluída em água. As DL50, DL90 e DL95 foram estimadas nos testes tópicos. Resultados dos testes de torre foram expressos em CL50, CL90 e CL95. Os resultados do teste tópico permitiram ordenar os inseticidas segundo sua eficiência, considerando DL90: deltametrina, o mais eficiente, seguido de lambda-cialotrina, alfa-cipermetrina, o último, fenvalerato exigiu dose letal cerca de 27 vezes maiores do que a da deltametrina. Lambda-cialotrina em nível de CL90 foi o inseticida mais eficiente, seguido por alfa-cipermetrina e deltametrina. Esse produto foi 18 vezes mais eficiente do que fenvalerato. As distribuições das tolerâncias para deltametrina e fenvalerato tiveram menores dispersões do que as outras.
Title in English
Efficacy of insecticides pyrethroids to control Musca domestica (Linnaeus, 1758)
Keywords in English
Fly Control
Insecticides Pyrethroids
Musca Domestica
Abstract in English
The efficacy of the pyrethroids alpha-cypermethrin, cyfluthrin, cypermethrin, deltametrin, fenvalerate, lambda-cyhalothrin and permethrin was tested against a laboratory strain of Musca domestica using a topic test in which the pure substance was diluted in acetone and the tower test, in which a concentrate formulation was diluted in water. LD50, LD90 and LD95 were estimated from the topic test. Results of a tower test were expressed as LC50, LC90 and LC95. Deltamethrin was the most effective at the LD90 level, about 27 X more than fenvalerate, the least effective pyrethroid. Deltamethrin was followed in effectiveness by lambda-cyhalothrin and alpha-cypermethrin. Lambda-cyhalothrin at the LC90 level was the most effective and was followed by alphacypermethrin and deltamethrin. That product was 18 X more effective than fenvalerate. It was observed that the distributions of tolerances to deltamethrin and fenvalerate had a lesser 'spread' than the others.
 
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Publishing Date
2020-04-14
 
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