Efficiency of thiamethoxam for coffee leaf-miner control. I - Influence of the mode of application

Detalhes bibliográficos
Autor(a) principal: Souza, Júlio César de
Data de Publicação: 2007
Outros Autores: Reis, Paulo Rebelles, Rigitano, René Luis de Oliveira, Ciociola Júnior, Américo Iorio
Tipo de documento: Artigo
Idioma: por
eng
spa
Título da fonte: Coffee Science (Online)
Texto Completo: https://coffeescience.ufla.br/index.php/Coffeescience/article/view/30
Resumo: The coffee leaf-miner Leucoptera coffeella (Guérin-Mèneville, 1842) (Lepidoptera: Lyonetiidae) is the most important insect pest of coffee (Coffea arabica L.) in Brazil, where reductions in the production can reach 70 %. Its control using granular formulations of systemic insecticides, which are soil-applied in the rainy season, has shown to be erratic over the last years, attributed to the irregular distribution of rainfall. As water-dispersible granules (WG) formulations of insecticides can be applied in different forms and are less dependent on the soil moisture, this work was carried out to assess the influence of the mode of application of thiamethoxam WG for the control of coffee leaf-miner in the cerrado region of Minas Gerais State. The experiment consisted of eight treatments and four replicates, in a randomized blocks statistical design. The treatments were: thiamethoxam 250 WG (applied as drench at the plant base, drench in soil furrows and drip irrigation), imidacloprid 700 WG (drench at the plant base and as drip irrigation), thiamethoxam 10 GR and aldicarb 150 GR (in soil furrows), and control. Application was performed in February, with monthly evaluations on pest control until July. Drench treatments at plant base as well as drip irrigation with thiamethoxam 250 WG provided high control efficiency for about 130 days. The thiamethoxam concentrations in the leaves from these treatments were higher than in leaves from other treatments with other modes of application of the insecticide.
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spelling Efficiency of thiamethoxam for coffee leaf-miner control. I - Influence of the mode of applicationEficiência de thiamethoxam no controle do bicho-mineiro do cafeeiro. I - Influência da modalidade de aplicaçãoLeucoptera coffeellacontrole químicoCoffea arabicairrigação por gotejamentoesguicho no coloThe coffee leaf-miner Leucoptera coffeella (Guérin-Mèneville, 1842) (Lepidoptera: Lyonetiidae) is the most important insect pest of coffee (Coffea arabica L.) in Brazil, where reductions in the production can reach 70 %. Its control using granular formulations of systemic insecticides, which are soil-applied in the rainy season, has shown to be erratic over the last years, attributed to the irregular distribution of rainfall. As water-dispersible granules (WG) formulations of insecticides can be applied in different forms and are less dependent on the soil moisture, this work was carried out to assess the influence of the mode of application of thiamethoxam WG for the control of coffee leaf-miner in the cerrado region of Minas Gerais State. The experiment consisted of eight treatments and four replicates, in a randomized blocks statistical design. The treatments were: thiamethoxam 250 WG (applied as drench at the plant base, drench in soil furrows and drip irrigation), imidacloprid 700 WG (drench at the plant base and as drip irrigation), thiamethoxam 10 GR and aldicarb 150 GR (in soil furrows), and control. Application was performed in February, with monthly evaluations on pest control until July. Drench treatments at plant base as well as drip irrigation with thiamethoxam 250 WG provided high control efficiency for about 130 days. The thiamethoxam concentrations in the leaves from these treatments were higher than in leaves from other treatments with other modes of application of the insecticide.O bicho-mineiro Leucoptera coffeella (Guérin-Mèneville, 1842) (Lepidoptera: Lyonetiidae) é a principal praga do cafeeiro (Coffea arabica L.) no Brasil, e a redução da produção de café devida ao seu ataque pode alcançar 70%. Seu controle no período chuvoso, com inseticidas sistêmicos granulados, não tem apresentado uma boa constância de eficiência devido à distribuição irregular das chuvas. Já, a formulação de grânulos dispersíveis em água (WG) permite outras formas de aplicação e é menos dependente da presença de umidade no solo. Para conhecer a eficiência da formulação WG do thiamethoxam, instalou-se um experimento em cultura cafeeira no cerrado mineiro. O delineamento experimental foi o de blocos casualizados com oito tratamentos e quatro repetições. Os tratamentos foram: thiamethoxam 250 WG em esguicho ( drench ) no colo do cafeeiro, na água de irrigação por gotejamento e em filete em dois sulcos na projeção da copa; imidacloprid 700 WG em esguicho no colo do cafeeiro e na água de irrigação por gotejamento; aldicarb 150 GR e thiamethoxam 10 GR em dois sulcos na projeção da copa, e uma testemunha sem inseticida. Os tratamentos foram aplicados em fevereiro, e o efeito no controle da praga foi avaliado mensalmente até julho. Alta eficiência foi encontrada onde o thiamethoxam 250 WG foi aplicado em esguicho ou gotejamento, num período de controle em torno de 130 dias. Nesses tratamentos as concentrações de thiamethoxam nas folhas foram maiores do que nas dos outros tratamentos com o inseticida.Editora UFLA2007-12-14info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfapplication/pdfapplication/pdfhttps://coffeescience.ufla.br/index.php/Coffeescience/article/view/30Coffee Science - ISSN 1984-3909; Vol. 1 No. 2 (2006); p. 143-149Coffee Science; Vol. 1 Núm. 2 (2006); p. 143-149Coffee Science; v. 1 n. 2 (2006); p. 143-1491984-3909reponame:Coffee Science (Online)instname:Universidade Federal de Lavras (UFLA)instacron:UFLAporengspahttps://coffeescience.ufla.br/index.php/Coffeescience/article/view/30/26https://coffeescience.ufla.br/index.php/Coffeescience/article/view/30/106https://coffeescience.ufla.br/index.php/Coffeescience/article/view/30/107Copyright (c) 2007 Coffee Science - ISSN 1984-3909https://creativecommons.org/info:eu-repo/semantics/openAccessSouza, Júlio César deReis, Paulo RebellesRigitano, René Luis de OliveiraCiociola Júnior, Américo Iorio2013-02-23T12:26:57Zoai:coffeescience.ufla.br:article/30Revistahttps://coffeescience.ufla.br/index.php/CoffeesciencePUBhttps://coffeescience.ufla.br/index.php/Coffeescience/oaicoffeescience@dag.ufla.br||coffeescience@dag.ufla.br|| alvaro-cozadi@hotmail.com1984-39091809-6875opendoar:2024-05-21T19:53:26.876241Coffee Science (Online) - Universidade Federal de Lavras (UFLA)true
dc.title.none.fl_str_mv Efficiency of thiamethoxam for coffee leaf-miner control. I - Influence of the mode of application
Eficiência de thiamethoxam no controle do bicho-mineiro do cafeeiro. I - Influência da modalidade de aplicação
title Efficiency of thiamethoxam for coffee leaf-miner control. I - Influence of the mode of application
spellingShingle Efficiency of thiamethoxam for coffee leaf-miner control. I - Influence of the mode of application
Souza, Júlio César de
Leucoptera coffeella
controle químico
Coffea arabica
irrigação por gotejamento
esguicho no colo
title_short Efficiency of thiamethoxam for coffee leaf-miner control. I - Influence of the mode of application
title_full Efficiency of thiamethoxam for coffee leaf-miner control. I - Influence of the mode of application
title_fullStr Efficiency of thiamethoxam for coffee leaf-miner control. I - Influence of the mode of application
title_full_unstemmed Efficiency of thiamethoxam for coffee leaf-miner control. I - Influence of the mode of application
title_sort Efficiency of thiamethoxam for coffee leaf-miner control. I - Influence of the mode of application
author Souza, Júlio César de
author_facet Souza, Júlio César de
Reis, Paulo Rebelles
Rigitano, René Luis de Oliveira
Ciociola Júnior, Américo Iorio
author_role author
author2 Reis, Paulo Rebelles
Rigitano, René Luis de Oliveira
Ciociola Júnior, Américo Iorio
author2_role author
author
author
dc.contributor.author.fl_str_mv Souza, Júlio César de
Reis, Paulo Rebelles
Rigitano, René Luis de Oliveira
Ciociola Júnior, Américo Iorio
dc.subject.por.fl_str_mv Leucoptera coffeella
controle químico
Coffea arabica
irrigação por gotejamento
esguicho no colo
topic Leucoptera coffeella
controle químico
Coffea arabica
irrigação por gotejamento
esguicho no colo
description The coffee leaf-miner Leucoptera coffeella (Guérin-Mèneville, 1842) (Lepidoptera: Lyonetiidae) is the most important insect pest of coffee (Coffea arabica L.) in Brazil, where reductions in the production can reach 70 %. Its control using granular formulations of systemic insecticides, which are soil-applied in the rainy season, has shown to be erratic over the last years, attributed to the irregular distribution of rainfall. As water-dispersible granules (WG) formulations of insecticides can be applied in different forms and are less dependent on the soil moisture, this work was carried out to assess the influence of the mode of application of thiamethoxam WG for the control of coffee leaf-miner in the cerrado region of Minas Gerais State. The experiment consisted of eight treatments and four replicates, in a randomized blocks statistical design. The treatments were: thiamethoxam 250 WG (applied as drench at the plant base, drench in soil furrows and drip irrigation), imidacloprid 700 WG (drench at the plant base and as drip irrigation), thiamethoxam 10 GR and aldicarb 150 GR (in soil furrows), and control. Application was performed in February, with monthly evaluations on pest control until July. Drench treatments at plant base as well as drip irrigation with thiamethoxam 250 WG provided high control efficiency for about 130 days. The thiamethoxam concentrations in the leaves from these treatments were higher than in leaves from other treatments with other modes of application of the insecticide.
publishDate 2007
dc.date.none.fl_str_mv 2007-12-14
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://coffeescience.ufla.br/index.php/Coffeescience/article/view/30
url https://coffeescience.ufla.br/index.php/Coffeescience/article/view/30
dc.language.iso.fl_str_mv por
eng
spa
language por
eng
spa
dc.relation.none.fl_str_mv https://coffeescience.ufla.br/index.php/Coffeescience/article/view/30/26
https://coffeescience.ufla.br/index.php/Coffeescience/article/view/30/106
https://coffeescience.ufla.br/index.php/Coffeescience/article/view/30/107
dc.rights.driver.fl_str_mv Copyright (c) 2007 Coffee Science - ISSN 1984-3909
https://creativecommons.org/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Copyright (c) 2007 Coffee Science - ISSN 1984-3909
https://creativecommons.org/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Editora UFLA
publisher.none.fl_str_mv Editora UFLA
dc.source.none.fl_str_mv Coffee Science - ISSN 1984-3909; Vol. 1 No. 2 (2006); p. 143-149
Coffee Science; Vol. 1 Núm. 2 (2006); p. 143-149
Coffee Science; v. 1 n. 2 (2006); p. 143-149
1984-3909
reponame:Coffee Science (Online)
instname:Universidade Federal de Lavras (UFLA)
instacron:UFLA
instname_str Universidade Federal de Lavras (UFLA)
instacron_str UFLA
institution UFLA
reponame_str Coffee Science (Online)
collection Coffee Science (Online)
repository.name.fl_str_mv Coffee Science (Online) - Universidade Federal de Lavras (UFLA)
repository.mail.fl_str_mv coffeescience@dag.ufla.br||coffeescience@dag.ufla.br|| alvaro-cozadi@hotmail.com
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