Efeito inseticida de óleos essenciais de espécies de Piper para o controle da Plutella xylostella (L.) (Lepidoptera: Plutellidae)
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações da UFRPE |
Texto Completo: | http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/8367 |
Resumo: | Plutella xylostella (L.) (Lepidoptera: Plutellidae), commonly known as diamondback moth, is an important pest of brassica crops, because its damage causes large losses of economic value to producers. Therefore, its control consists mainly in the use of synthetic insecticides, which can cause among others, biological imbalances. Control alternatives have been developed, among them, the use of essential oils (EO's). Essential oils of the Piper genus have been extensively researched and are promising as an alternative to synthetic insecticides for pest control. The objective of this study was to evaluate the insecticidal activity of larval and ovicidal toxicity, deterrence, repellency and phytotoxicity of Piper capitarianum and Piper krukoffii oils for the control of P. xylostella, as well as the synthetic insecticide Decis® and the commercial botanical insecticide Azamax®, for comparison purposes. The oil of P. capitarianum provided the best results in all bioassays, with CLs50 (0.21 mg mL-1) and (0.60 mg mL-1) for larval and ovicidal toxicity, respectively; IA50 of 0.70 mg mL-1, being more effective than Azamax®; repellence degree high to moderate with IR ˃ 1 in CL20 at 24 h, and mild phytotoxicity. The oil of P. krukoffii showed to be more attractive, with lower deterrent effect and less larval and ovicidal toxicity, and it could be used with bait. Essential oils seem promising but require further work to acquire more information. |
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CÂMARA, Cláudio Augusto Gomes daMELO, João Paulo Ramos dePONTES, Wendel José TelesCRUZ, Glaucilane dos Santoshttp://lattes.cnpq.br/0618095736089309SANTANA, Milena Larissa Gonçalves2019-11-25T14:17:10Z2019-02-22SANTANA, Milena Larissa Gonçalves. Efeito inseticida de óleos essenciais de espécies de Piper para o controle da Plutella xylostella (L.) (Lepidoptera: Plutellidae). 2019. 45 f. Dissertação (Programa de Pós-Graduação em Entomologia Agrícola) - Universidade Federal Rural de Pernambuco, Recife.http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/8367Plutella xylostella (L.) (Lepidoptera: Plutellidae), commonly known as diamondback moth, is an important pest of brassica crops, because its damage causes large losses of economic value to producers. Therefore, its control consists mainly in the use of synthetic insecticides, which can cause among others, biological imbalances. Control alternatives have been developed, among them, the use of essential oils (EO's). Essential oils of the Piper genus have been extensively researched and are promising as an alternative to synthetic insecticides for pest control. The objective of this study was to evaluate the insecticidal activity of larval and ovicidal toxicity, deterrence, repellency and phytotoxicity of Piper capitarianum and Piper krukoffii oils for the control of P. xylostella, as well as the synthetic insecticide Decis® and the commercial botanical insecticide Azamax®, for comparison purposes. The oil of P. capitarianum provided the best results in all bioassays, with CLs50 (0.21 mg mL-1) and (0.60 mg mL-1) for larval and ovicidal toxicity, respectively; IA50 of 0.70 mg mL-1, being more effective than Azamax®; repellence degree high to moderate with IR ˃ 1 in CL20 at 24 h, and mild phytotoxicity. The oil of P. krukoffii showed to be more attractive, with lower deterrent effect and less larval and ovicidal toxicity, and it could be used with bait. Essential oils seem promising but require further work to acquire more information.A Plutella xylostella (L.) (Lepidoptera: Plutellidae), conhecida popularmente como traça-das-crucíferas, é uma importante praga para os cultivos de brássicas, que devido aos seus danos resultar em perdas econômicas na produção. Sendo assim, o seu controle consiste principalmente na utilização de inseticidas sintéticos, o que pode ocasionar desequilíbrios biológicos, seleção de insetos resistentes. Alternativas de controle tem sido desenvolvidas, entre as quais, temos a utilização de óleos essenciais (OE’s). Os óleos essenciais do gênero de Piper tem sido bastante pesquisado, sendo promissores como alternativa aos inseticidas sintéticos para o controle de pragas. Portanto, este estudo teve por objetivo avaliar a atividade inseticida através dos bioensaios de toxicidade de larvas e ovos, deterrência, repelência e fitotoxicidade dos óleos de Piper capitarianum e Piper krukoffii para o controle da P. xylostella, bem como também o inseticida sintético Decis® e o inseticida botânico comercial Azamax®, para efeito de comparação. O óleo de P. capitarianum proporcionou os melhores resultados em todos os bioensaios, com as CLs50 (0,21 mg mL-1) e (0,60 mg mL-1) para toxicidade larval e ovos, respectivamente; IA50 de 0,70 mg mL-1, sendo mais efetivo que o Azamax®; grau de repelência alta a moderada com IR ˃ 1 na CL20 com 24 h, e ainda fitotoxicidade leve. O óleo de P. krukoffii, demonstrou ser mais atrativo, com menor efeito deterrente e menor toxicidade para larvas e ovos, podendo ser utilizado com isca. Os óleos essenciais parecem promissores, mas requer trabalhos posteriores para aquisição de novas informações.Submitted by Mario BC (mario@bc.ufrpe.br) on 2019-11-25T14:17:10Z No. of bitstreams: 1 Milena Larissa Goncalves Santana.pdf: 968870 bytes, checksum: 0f60a78a9dc615d3ce14e9d14109db03 (MD5)Made available in DSpace on 2019-11-25T14:17:10Z (GMT). No. of bitstreams: 1 Milena Larissa Goncalves Santana.pdf: 968870 bytes, checksum: 0f60a78a9dc615d3ce14e9d14109db03 (MD5) Previous issue date: 2019-02-22Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESapplication/pdfporUniversidade Federal Rural de PernambucoPrograma de Pós-Graduação em Entomologia AgrícolaUFRPEBrasilDepartamento de AgronomiaÓleo essencialInseticidaPlutella xylostellaTraça-das-crucíferasControle alternativoFITOSSANIDADE::ENTOMOLOGIA AGRICOLAEfeito inseticida de óleos essenciais de espécies de Piper para o controle da Plutella xylostella (L.) 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dc.title.por.fl_str_mv |
Efeito inseticida de óleos essenciais de espécies de Piper para o controle da Plutella xylostella (L.) (Lepidoptera: Plutellidae) |
title |
Efeito inseticida de óleos essenciais de espécies de Piper para o controle da Plutella xylostella (L.) (Lepidoptera: Plutellidae) |
spellingShingle |
Efeito inseticida de óleos essenciais de espécies de Piper para o controle da Plutella xylostella (L.) (Lepidoptera: Plutellidae) SANTANA, Milena Larissa Gonçalves Óleo essencial Inseticida Plutella xylostella Traça-das-crucíferas Controle alternativo FITOSSANIDADE::ENTOMOLOGIA AGRICOLA |
title_short |
Efeito inseticida de óleos essenciais de espécies de Piper para o controle da Plutella xylostella (L.) (Lepidoptera: Plutellidae) |
title_full |
Efeito inseticida de óleos essenciais de espécies de Piper para o controle da Plutella xylostella (L.) (Lepidoptera: Plutellidae) |
title_fullStr |
Efeito inseticida de óleos essenciais de espécies de Piper para o controle da Plutella xylostella (L.) (Lepidoptera: Plutellidae) |
title_full_unstemmed |
Efeito inseticida de óleos essenciais de espécies de Piper para o controle da Plutella xylostella (L.) (Lepidoptera: Plutellidae) |
title_sort |
Efeito inseticida de óleos essenciais de espécies de Piper para o controle da Plutella xylostella (L.) (Lepidoptera: Plutellidae) |
author |
SANTANA, Milena Larissa Gonçalves |
author_facet |
SANTANA, Milena Larissa Gonçalves |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
CÂMARA, Cláudio Augusto Gomes da |
dc.contributor.advisor-co1.fl_str_mv |
MELO, João Paulo Ramos de |
dc.contributor.referee1.fl_str_mv |
PONTES, Wendel José Teles |
dc.contributor.referee2.fl_str_mv |
CRUZ, Glaucilane dos Santos |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/0618095736089309 |
dc.contributor.author.fl_str_mv |
SANTANA, Milena Larissa Gonçalves |
contributor_str_mv |
CÂMARA, Cláudio Augusto Gomes da MELO, João Paulo Ramos de PONTES, Wendel José Teles CRUZ, Glaucilane dos Santos |
dc.subject.por.fl_str_mv |
Óleo essencial Inseticida Plutella xylostella Traça-das-crucíferas Controle alternativo |
topic |
Óleo essencial Inseticida Plutella xylostella Traça-das-crucíferas Controle alternativo FITOSSANIDADE::ENTOMOLOGIA AGRICOLA |
dc.subject.cnpq.fl_str_mv |
FITOSSANIDADE::ENTOMOLOGIA AGRICOLA |
description |
Plutella xylostella (L.) (Lepidoptera: Plutellidae), commonly known as diamondback moth, is an important pest of brassica crops, because its damage causes large losses of economic value to producers. Therefore, its control consists mainly in the use of synthetic insecticides, which can cause among others, biological imbalances. Control alternatives have been developed, among them, the use of essential oils (EO's). Essential oils of the Piper genus have been extensively researched and are promising as an alternative to synthetic insecticides for pest control. The objective of this study was to evaluate the insecticidal activity of larval and ovicidal toxicity, deterrence, repellency and phytotoxicity of Piper capitarianum and Piper krukoffii oils for the control of P. xylostella, as well as the synthetic insecticide Decis® and the commercial botanical insecticide Azamax®, for comparison purposes. The oil of P. capitarianum provided the best results in all bioassays, with CLs50 (0.21 mg mL-1) and (0.60 mg mL-1) for larval and ovicidal toxicity, respectively; IA50 of 0.70 mg mL-1, being more effective than Azamax®; repellence degree high to moderate with IR ˃ 1 in CL20 at 24 h, and mild phytotoxicity. The oil of P. krukoffii showed to be more attractive, with lower deterrent effect and less larval and ovicidal toxicity, and it could be used with bait. Essential oils seem promising but require further work to acquire more information. |
publishDate |
2019 |
dc.date.accessioned.fl_str_mv |
2019-11-25T14:17:10Z |
dc.date.issued.fl_str_mv |
2019-02-22 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
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masterThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
SANTANA, Milena Larissa Gonçalves. Efeito inseticida de óleos essenciais de espécies de Piper para o controle da Plutella xylostella (L.) (Lepidoptera: Plutellidae). 2019. 45 f. Dissertação (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/tede2/8367 |
identifier_str_mv |
SANTANA, Milena Larissa Gonçalves. Efeito inseticida de óleos essenciais de espécies de Piper para o controle da Plutella xylostella (L.) (Lepidoptera: Plutellidae). 2019. 45 f. Dissertação (Programa de Pós-Graduação em Entomologia Agrícola) - Universidade Federal Rural de Pernambuco, Recife. |
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http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/8367 |
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