Suscetibilidade de Anthonomus grandis Boh. (Coleoptera: Curculionidae) e sobrevivência de inimigos naturais de pragas do algodoeiro a inseticidas

Detalhes bibliográficos
Autor(a) principal: BARROS, Eduardo Moreira
Data de Publicação: 2015
Tipo de documento: Tese
Idioma: por
Título da fonte: Biblioteca Digital de Teses e Dissertações da UFRPE
Texto Completo: http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/7729
Resumo: The boll weevil, Anthonomus grandis Boh. (Coleoptera: Curculionidae), is the most important cotton pest in Brazil. Despite the cotton ecosystem harboring large complex of natural enemies insecticides usage is the main control method against boll weevil and other pests. This work evaluated the susceptibility of boll weevil to commercial insecticides in single or in mixture ready-to-use and the impact of seven selected insecticides from different chemical groups applied at highest and lowest recommended field rates to cotton pest control on six predators [Chrysoperla externa Hagen, Eriopis connexa (Germar), Euborellia annulipes (Lucas), Hippodamia convergens Guérin-Méneville, Podisus nigrispinus (Dallas), and Solenopsis invicta Buren)] and four parasitoids [Aphelinus gossypii Timberlake, Bracon vulgaris Ashmead, Telenomus podisi (Ashmead), and Trichogramma pretiosum Riley)], key species for cotton pest managment. The LC50s calculated to boll weevil varied from 0.004 to 0.114 g a.i./L, and the relative pontency estimated were 1.37 to 29.59-fold. Futher, boll weevil adults were more susceptible to lambda-cyhalothrin and thiamethoxam in single formulation compared to chlorantraniliprole, fenitrothion and esfenvalerate. The mixture ready-to-use of lambda-cyhalothrin+chlorantraniliprole resulted in sinergistic effect; while the remaining mixtures tested were antagonistics. Methidation caused 100% mortality of all tested natural enemies. Among the natural enemies, E. annulipes exhibited high survival rate across all remaining tested insecticides. In addition, all predators and parasitoids exhibited high survival exposed to pymetrozin and chlorantraniliprole dried residue. Lambda-cyhalothrin and thiamethoxam at highest and lowest field rates and chorantraniliprole at highest field rate caused high mortality to P. nigrispinus, S. invicta and H. convergens and to all parasitoids. Based on the results, only the mixture of lambda-cialotrina+chlorantraniliprole demonstrated potential to boll weevil control with the remaining mixture ready-to-use with potential of use when targeting different pest species simultaneously. Pymetrozin, chlorantraniliprole and spinosad caused overall low impact on tested natural enemies; hence, becoming options to cotton pest management.
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spelling TORRES, Jorge BrazRODRIGUES, Agna Rita dos SantosRODRIGUES, Agna Rita dos SantosTORRES, Christian Sherley Araújo da SilvaSIQUEIRA, Herbert Álvaro Abreu deEVANGELISTA JÚNIOR, Walter Santoshttp://lattes.cnpq.br/6511684643252311BARROS, Eduardo Moreira2018-11-27T11:53:44Z2015-07-31BARROS, Eduardo Moreira. Suscetibilidade de Anthonomus grandis Boh. (Coleoptera: Curculionidae) e sobrevivência de inimigos naturais de pragas do algodoeiro a inseticidas. 2015. 80 f. Tese (Programa de Pós-Graduação em Entomologia Agrícola) - Universidade Federal Rural de Pernambuco, Recife.http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/7729The boll weevil, Anthonomus grandis Boh. (Coleoptera: Curculionidae), is the most important cotton pest in Brazil. Despite the cotton ecosystem harboring large complex of natural enemies insecticides usage is the main control method against boll weevil and other pests. This work evaluated the susceptibility of boll weevil to commercial insecticides in single or in mixture ready-to-use and the impact of seven selected insecticides from different chemical groups applied at highest and lowest recommended field rates to cotton pest control on six predators [Chrysoperla externa Hagen, Eriopis connexa (Germar), Euborellia annulipes (Lucas), Hippodamia convergens Guérin-Méneville, Podisus nigrispinus (Dallas), and Solenopsis invicta Buren)] and four parasitoids [Aphelinus gossypii Timberlake, Bracon vulgaris Ashmead, Telenomus podisi (Ashmead), and Trichogramma pretiosum Riley)], key species for cotton pest managment. The LC50s calculated to boll weevil varied from 0.004 to 0.114 g a.i./L, and the relative pontency estimated were 1.37 to 29.59-fold. Futher, boll weevil adults were more susceptible to lambda-cyhalothrin and thiamethoxam in single formulation compared to chlorantraniliprole, fenitrothion and esfenvalerate. The mixture ready-to-use of lambda-cyhalothrin+chlorantraniliprole resulted in sinergistic effect; while the remaining mixtures tested were antagonistics. Methidation caused 100% mortality of all tested natural enemies. Among the natural enemies, E. annulipes exhibited high survival rate across all remaining tested insecticides. In addition, all predators and parasitoids exhibited high survival exposed to pymetrozin and chlorantraniliprole dried residue. Lambda-cyhalothrin and thiamethoxam at highest and lowest field rates and chorantraniliprole at highest field rate caused high mortality to P. nigrispinus, S. invicta and H. convergens and to all parasitoids. Based on the results, only the mixture of lambda-cialotrina+chlorantraniliprole demonstrated potential to boll weevil control with the remaining mixture ready-to-use with potential of use when targeting different pest species simultaneously. Pymetrozin, chlorantraniliprole and spinosad caused overall low impact on tested natural enemies; hence, becoming options to cotton pest management.O bicudo-do-algodoeiro, Anthonomus grandis Boh. (Coleoptera: Curculionidae), é a principal praga do algodoeiro no Brasil, sendo o uso de inseticidas o principal método de controle. Este trabalho estudou a suscetibilidade do bicudo-do-algodoeiro a inseticida em formulações comerciais isoladas ou em misturas registradas para uso, além do efeito de sete inseticidas de diferentes grupos químicos na maior e menor dosagem recomendadas empregados no controle de pragas do algodoeiro, sobre seis espécies de predadores [Chrysoperla externa Hagen, Eriopis connexa (Germar), Euborellia annulipes (Lucas), Hippodamia convergens Guérin-Méneville, Podisus nigrispinus (Dallas), Solenopsis invicta Buren)] e quatro espécies de parasitoides [Aphelinus gossypii Timberlake, Bracon vulgaris Ashmead, Telenomus podisi (Ashmead) e Trichogramma pretiosum Riley)]. As CL50s calculadas para o bicudo-do-algodoeiro variaram de 0,004 a 0,114 g i.a./L, e produziram potência relativa variando de 1,37 a 29,59-vezes. Também, foi observado que os adultos foram mais suscetíveis à lambda-cialotrina e ao tiametoxam isolados comparados aos inseticidas clorantraniliprole, fenitrotiona e esfenvalerato. O efeito da mistura lambda-cialotrina + clorantraniliprole foi sinergístico, enquanto as demais misturas testadas mostraram antagonismo. A metidationa ocasionou 100% de mortalidade de todos os inimigos naturais testados. Entre os inimigos naturais, E. annulipes apresentou alta sobrevivência a todos os demais inseticidas. Todos os predadores e parasitoides testados apresentaram alta sobrevivência a pimetrozina e ao clorantraniliprole sendo semelhante à testemunha. A lambda-cialotrina e o tiametoxam, na maior e menor dasagens, e o clorantraniliprole, na maior dosagem recomendada, proporcionaram baixa sobrevivência dos predadores P. nigrispinus, S. invicta e H. convergens. Assim, entre as misturas estudadas apenas lambda-cialotrina+clorantraniliprole demonstra potencial no manejo do bicudo-do-algodoeiro, sendo as demais misturas com potencial de uso em situações de ocorrência de múltiplas espécies alvo. Os inseticidas pimetrozina, clorantraniliprole e espinosade demonstram menor impacto geral aos inimigos naturais e devem ser priorizados para o manejo de pragas na cultura do algodoeiro.Submitted by Mario BC (mario@bc.ufrpe.br) on 2018-11-27T11:53:44Z No. of bitstreams: 1 Eduardo Moreira Barros.pdf: 985707 bytes, checksum: 4bcceba0f1ea79de29f1e9d94e2acf15 (MD5)Made available in DSpace on 2018-11-27T11:53:44Z (GMT). No. of bitstreams: 1 Eduardo Moreira Barros.pdf: 985707 bytes, checksum: 4bcceba0f1ea79de29f1e9d94e2acf15 (MD5) Previous issue date: 2015-07-31application/pdfporUniversidade Federal Rural de PernambucoPrograma de Pós-Graduação em Entomologia AgrícolaUFRPEBrasilDepartamento de AgronomiaBicudo-do-algodoeiroAnthonomus grandisInseticidaControle de pragaFITOSSANIDADE::ENTOMOLOGIA AGRICOLASuscetibilidade de Anthonomus grandis Boh. 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dc.title.por.fl_str_mv Suscetibilidade de Anthonomus grandis Boh. (Coleoptera: Curculionidae) e sobrevivência de inimigos naturais de pragas do algodoeiro a inseticidas
title Suscetibilidade de Anthonomus grandis Boh. (Coleoptera: Curculionidae) e sobrevivência de inimigos naturais de pragas do algodoeiro a inseticidas
spellingShingle Suscetibilidade de Anthonomus grandis Boh. (Coleoptera: Curculionidae) e sobrevivência de inimigos naturais de pragas do algodoeiro a inseticidas
BARROS, Eduardo Moreira
Bicudo-do-algodoeiro
Anthonomus grandis
Inseticida
Controle de praga
FITOSSANIDADE::ENTOMOLOGIA AGRICOLA
title_short Suscetibilidade de Anthonomus grandis Boh. (Coleoptera: Curculionidae) e sobrevivência de inimigos naturais de pragas do algodoeiro a inseticidas
title_full Suscetibilidade de Anthonomus grandis Boh. (Coleoptera: Curculionidae) e sobrevivência de inimigos naturais de pragas do algodoeiro a inseticidas
title_fullStr Suscetibilidade de Anthonomus grandis Boh. (Coleoptera: Curculionidae) e sobrevivência de inimigos naturais de pragas do algodoeiro a inseticidas
title_full_unstemmed Suscetibilidade de Anthonomus grandis Boh. (Coleoptera: Curculionidae) e sobrevivência de inimigos naturais de pragas do algodoeiro a inseticidas
title_sort Suscetibilidade de Anthonomus grandis Boh. (Coleoptera: Curculionidae) e sobrevivência de inimigos naturais de pragas do algodoeiro a inseticidas
author BARROS, Eduardo Moreira
author_facet BARROS, Eduardo Moreira
author_role author
dc.contributor.advisor1.fl_str_mv TORRES, Jorge Braz
dc.contributor.advisor-co1.fl_str_mv RODRIGUES, Agna Rita dos Santos
dc.contributor.referee1.fl_str_mv RODRIGUES, Agna Rita dos Santos
dc.contributor.referee2.fl_str_mv TORRES, Christian Sherley Araújo da Silva
dc.contributor.referee3.fl_str_mv SIQUEIRA, Herbert Álvaro Abreu de
dc.contributor.referee4.fl_str_mv EVANGELISTA JÚNIOR, Walter Santos
dc.contributor.authorLattes.fl_str_mv http://lattes.cnpq.br/6511684643252311
dc.contributor.author.fl_str_mv BARROS, Eduardo Moreira
contributor_str_mv TORRES, Jorge Braz
RODRIGUES, Agna Rita dos Santos
RODRIGUES, Agna Rita dos Santos
TORRES, Christian Sherley Araújo da Silva
SIQUEIRA, Herbert Álvaro Abreu de
EVANGELISTA JÚNIOR, Walter Santos
dc.subject.por.fl_str_mv Bicudo-do-algodoeiro
Anthonomus grandis
Inseticida
Controle de praga
topic Bicudo-do-algodoeiro
Anthonomus grandis
Inseticida
Controle de praga
FITOSSANIDADE::ENTOMOLOGIA AGRICOLA
dc.subject.cnpq.fl_str_mv FITOSSANIDADE::ENTOMOLOGIA AGRICOLA
description The boll weevil, Anthonomus grandis Boh. (Coleoptera: Curculionidae), is the most important cotton pest in Brazil. Despite the cotton ecosystem harboring large complex of natural enemies insecticides usage is the main control method against boll weevil and other pests. This work evaluated the susceptibility of boll weevil to commercial insecticides in single or in mixture ready-to-use and the impact of seven selected insecticides from different chemical groups applied at highest and lowest recommended field rates to cotton pest control on six predators [Chrysoperla externa Hagen, Eriopis connexa (Germar), Euborellia annulipes (Lucas), Hippodamia convergens Guérin-Méneville, Podisus nigrispinus (Dallas), and Solenopsis invicta Buren)] and four parasitoids [Aphelinus gossypii Timberlake, Bracon vulgaris Ashmead, Telenomus podisi (Ashmead), and Trichogramma pretiosum Riley)], key species for cotton pest managment. The LC50s calculated to boll weevil varied from 0.004 to 0.114 g a.i./L, and the relative pontency estimated were 1.37 to 29.59-fold. Futher, boll weevil adults were more susceptible to lambda-cyhalothrin and thiamethoxam in single formulation compared to chlorantraniliprole, fenitrothion and esfenvalerate. The mixture ready-to-use of lambda-cyhalothrin+chlorantraniliprole resulted in sinergistic effect; while the remaining mixtures tested were antagonistics. Methidation caused 100% mortality of all tested natural enemies. Among the natural enemies, E. annulipes exhibited high survival rate across all remaining tested insecticides. In addition, all predators and parasitoids exhibited high survival exposed to pymetrozin and chlorantraniliprole dried residue. Lambda-cyhalothrin and thiamethoxam at highest and lowest field rates and chorantraniliprole at highest field rate caused high mortality to P. nigrispinus, S. invicta and H. convergens and to all parasitoids. Based on the results, only the mixture of lambda-cialotrina+chlorantraniliprole demonstrated potential to boll weevil control with the remaining mixture ready-to-use with potential of use when targeting different pest species simultaneously. Pymetrozin, chlorantraniliprole and spinosad caused overall low impact on tested natural enemies; hence, becoming options to cotton pest management.
publishDate 2015
dc.date.issued.fl_str_mv 2015-07-31
dc.date.accessioned.fl_str_mv 2018-11-27T11:53:44Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
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dc.identifier.citation.fl_str_mv BARROS, Eduardo Moreira. Suscetibilidade de Anthonomus grandis Boh. (Coleoptera: Curculionidae) e sobrevivência de inimigos naturais de pragas do algodoeiro a inseticidas. 2015. 80 f. Tese (Programa de Pós-Graduação em Entomologia Agrícola) - Universidade Federal Rural de Pernambuco, Recife.
dc.identifier.uri.fl_str_mv http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/7729
identifier_str_mv BARROS, Eduardo Moreira. Suscetibilidade de Anthonomus grandis Boh. (Coleoptera: Curculionidae) e sobrevivência de inimigos naturais de pragas do algodoeiro a inseticidas. 2015. 80 f. Tese (Programa de Pós-Graduação em Entomologia Agrícola) - Universidade Federal Rural de Pernambuco, Recife.
url http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/7729
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dc.publisher.none.fl_str_mv Universidade Federal Rural de Pernambuco
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dc.publisher.initials.fl_str_mv UFRPE
dc.publisher.country.fl_str_mv Brasil
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