Efeitos subletais de óleos essenciais associados com Bacillus thuringiensis var. aizawai sobre Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae).
Autor(a) principal: | |
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Data de Publicação: | 2012 |
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/tede2/5976 |
Resumo: | A large investment is annually demanded to control the fall armyworm Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), which is the major insect pest of corn. To contain this demand alternative methods have been developed, including the use of botanical insecticides, known as essential oils, and entomopathogenic agents such as the bacterium Bacillus thuringiensis Berliner. These alternatives are adequate to Integrated Pest Management purposes, by being selective, low toxic to mammals and present efficiency against various pest species. Thus, we tested the hypothesis that association of long pepper and cloves oils at the concentrations of 30 and 50 mg/L DMSO with Xentari® WG (B. thuringiensis subsp. aizawai - Bta) (1000 mg/L) produces an efficient control of S. frugiperda, affecting biological, immunological and reproductive parameters, and if those concentrations of these oils affect spermatogenesis, the histochemistry of the ovarioles, as well as its impact on fertility. The results demonstrated that long pepper essential oil at a concentration of 50 mg/L associated with Bta has promoted lower larval survival, and clove does not proved efficient when combined with the Bta formulated. However, both oils, associated or not to Bta, interfered on the biology and humoral immunity of S. frugiperda. All treatments showed ovicidal effect except clove oil at the two concentrations without Bta. Histological analysis showed that clove and long pepper oils at the concentrations of 30 and 50 mg/L have affected spermatogenesis and the histochemistry of the ovarioles of S. frugiperda, reflecting on their reproduction. However, the effects of long pepper oil associated or not to Bta were more expressive, proving to be a promising tool to control this pest, adapting to MIP, controlling the survival of offspring and its success in the culture. |
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TEIXEIRA, Valéria WanderleyTEIXEIRA, Álvaro Aguiar CoelhoOLIVEIRA, José Vargas deSIQUEIRA, Herbert Álvaro Abreu dehttp://lattes.cnpq.br/3795270436231657CRUZ, Glaucilane dos Santos2016-11-24T15:23:56Z2012-02-01CRUZ, Glaucilane dos Santos. Efeitos subletais de óleos essenciais associados com Bacillus thuringiensis var. aizawai sobre Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae). 2012. 81 f. Dissertação ( Programa de Pós-Graduação em Entomologia Agrícola) - Universidade Federal Rural de Pernambuco, Recife.http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/5976A large investment is annually demanded to control the fall armyworm Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), which is the major insect pest of corn. To contain this demand alternative methods have been developed, including the use of botanical insecticides, known as essential oils, and entomopathogenic agents such as the bacterium Bacillus thuringiensis Berliner. These alternatives are adequate to Integrated Pest Management purposes, by being selective, low toxic to mammals and present efficiency against various pest species. Thus, we tested the hypothesis that association of long pepper and cloves oils at the concentrations of 30 and 50 mg/L DMSO with Xentari® WG (B. thuringiensis subsp. aizawai - Bta) (1000 mg/L) produces an efficient control of S. frugiperda, affecting biological, immunological and reproductive parameters, and if those concentrations of these oils affect spermatogenesis, the histochemistry of the ovarioles, as well as its impact on fertility. The results demonstrated that long pepper essential oil at a concentration of 50 mg/L associated with Bta has promoted lower larval survival, and clove does not proved efficient when combined with the Bta formulated. However, both oils, associated or not to Bta, interfered on the biology and humoral immunity of S. frugiperda. All treatments showed ovicidal effect except clove oil at the two concentrations without Bta. Histological analysis showed that clove and long pepper oils at the concentrations of 30 and 50 mg/L have affected spermatogenesis and the histochemistry of the ovarioles of S. frugiperda, reflecting on their reproduction. However, the effects of long pepper oil associated or not to Bta were more expressive, proving to be a promising tool to control this pest, adapting to MIP, controlling the survival of offspring and its success in the culture.Anualmente demanda-se um alto investimento no controle da lagarta do cartucho Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), sendo esta a principal praga da cultura do milho. Para conter esta demanda métodos alternativos tem sido desenvolvidos, incluindo a utilização de inseticidas botânicos, conhecidos como óleos essenciais, e agentes entomopatogênicos, como a bactéria Bacillus thuringiensis Berliner. Estas alternativas adéquamse aos propósitos do Manejo Integrado de Pragas, por serem seletivos, de baixa toxicidade a mamíferos e apresentarem eficiência contra várias espécies de pragas. Assim, testou-se a hipótese de que a associação dos óleos de pimenta longa e cravo da Índia nas concentrações 30 e 50 mg/L DMSO com Xentari® WG (B. thuringiensis subsp. aizawai - Bta) (1000 mg/L) produzem um controle eficiente de S. frugiperda, afetando parâmetros biológicos, imunológicos e reprodutivos, e se as concentrações destes óleos afetam a espermatogênese, a histoquímica dos ovaríolos, bem como seu impacto na fertilidade. Os resultados demonstraram que o óleo de pimenta longa na concentração 50 mg/L associado ao Bta ocasionou menor sobrevivência larval, já o cravo da Índia não mostrou-se eficiente quando associado ao Bta formulado. Porém, ambos os óleos associados ou não ao Bta interferiram na biologia e na imunidade humoral de S. frugiperda. Todos os tratamentos afetaram a viabilidade dos ovos exceto a testemunha e o cravo da Índia nas duas concentrações sem Bta. A análise histológica mostrou que os óleos de pimenta longa e cravo da Índia nas concentrações 30 e 50 mg/L afetaram a espermatogênese e histoquímica dos ovaríolos de S. frugiperda, refletindo na sua reprodução. No entanto, os efeitos do óleo de pimenta longa, associado ou não ao Bta, foram mais expressivos, demonstrando ser uma ferramenta promissora no controle desta praga, adequando-se ao MIP, controlando a sobrevivência da prole e seu sucesso na cultura.Submitted by (edna.saturno@ufrpe.br) on 2016-11-24T15:23:56Z No. of bitstreams: 1 Glaucilane dos Santos Cruz.pdf: 1016632 bytes, checksum: cf89201a0bacd4f7695775c34d5d1ad4 (MD5)Made available in DSpace on 2016-11-24T15:23:56Z (GMT). No. of bitstreams: 1 Glaucilane dos Santos Cruz.pdf: 1016632 bytes, checksum: cf89201a0bacd4f7695775c34d5d1ad4 (MD5) Previous issue date: 2012-02-01Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESapplication/pdfporUniversidade Federal Rural de PernambucoPrograma de Pós-Graduação em Entomologia AgrícolaUFRPEBrasilDepartamento de AgronomiaÓleo essencialBacillus thuringiensisSpodoptera frugiperdaLagarta-do-cartuchoControle de pragaFITOSSANIDADE::ENTOMOLOGIA AGRICOLAEfeitos subletais de óleos essenciais associados com Bacillus thuringiensis var. aizawai sobre Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae).Subsonic effects of essential oils associated with Bacillus thuringiensis var. Aizawai on Spodoptera frugiperda (J. E. 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dc.title.por.fl_str_mv |
Efeitos subletais de óleos essenciais associados com Bacillus thuringiensis var. aizawai sobre Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae). |
dc.title.alternative.eng.fl_str_mv |
Subsonic effects of essential oils associated with Bacillus thuringiensis var. Aizawai on Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae). |
title |
Efeitos subletais de óleos essenciais associados com Bacillus thuringiensis var. aizawai sobre Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae). |
spellingShingle |
Efeitos subletais de óleos essenciais associados com Bacillus thuringiensis var. aizawai sobre Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae). CRUZ, Glaucilane dos Santos Óleo essencial Bacillus thuringiensis Spodoptera frugiperda Lagarta-do-cartucho Controle de praga FITOSSANIDADE::ENTOMOLOGIA AGRICOLA |
title_short |
Efeitos subletais de óleos essenciais associados com Bacillus thuringiensis var. aizawai sobre Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae). |
title_full |
Efeitos subletais de óleos essenciais associados com Bacillus thuringiensis var. aizawai sobre Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae). |
title_fullStr |
Efeitos subletais de óleos essenciais associados com Bacillus thuringiensis var. aizawai sobre Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae). |
title_full_unstemmed |
Efeitos subletais de óleos essenciais associados com Bacillus thuringiensis var. aizawai sobre Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae). |
title_sort |
Efeitos subletais de óleos essenciais associados com Bacillus thuringiensis var. aizawai sobre Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae). |
author |
CRUZ, Glaucilane dos Santos |
author_facet |
CRUZ, Glaucilane dos Santos |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
TEIXEIRA, Valéria Wanderley |
dc.contributor.advisor-co1.fl_str_mv |
TEIXEIRA, Álvaro Aguiar Coelho |
dc.contributor.advisor-co2.fl_str_mv |
OLIVEIRA, José Vargas de |
dc.contributor.referee1.fl_str_mv |
SIQUEIRA, Herbert Álvaro Abreu de |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/3795270436231657 |
dc.contributor.author.fl_str_mv |
CRUZ, Glaucilane dos Santos |
contributor_str_mv |
TEIXEIRA, Valéria Wanderley TEIXEIRA, Álvaro Aguiar Coelho OLIVEIRA, José Vargas de SIQUEIRA, Herbert Álvaro Abreu de |
dc.subject.por.fl_str_mv |
Óleo essencial Bacillus thuringiensis Spodoptera frugiperda Lagarta-do-cartucho Controle de praga |
topic |
Óleo essencial Bacillus thuringiensis Spodoptera frugiperda Lagarta-do-cartucho Controle de praga FITOSSANIDADE::ENTOMOLOGIA AGRICOLA |
dc.subject.cnpq.fl_str_mv |
FITOSSANIDADE::ENTOMOLOGIA AGRICOLA |
description |
A large investment is annually demanded to control the fall armyworm Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), which is the major insect pest of corn. To contain this demand alternative methods have been developed, including the use of botanical insecticides, known as essential oils, and entomopathogenic agents such as the bacterium Bacillus thuringiensis Berliner. These alternatives are adequate to Integrated Pest Management purposes, by being selective, low toxic to mammals and present efficiency against various pest species. Thus, we tested the hypothesis that association of long pepper and cloves oils at the concentrations of 30 and 50 mg/L DMSO with Xentari® WG (B. thuringiensis subsp. aizawai - Bta) (1000 mg/L) produces an efficient control of S. frugiperda, affecting biological, immunological and reproductive parameters, and if those concentrations of these oils affect spermatogenesis, the histochemistry of the ovarioles, as well as its impact on fertility. The results demonstrated that long pepper essential oil at a concentration of 50 mg/L associated with Bta has promoted lower larval survival, and clove does not proved efficient when combined with the Bta formulated. However, both oils, associated or not to Bta, interfered on the biology and humoral immunity of S. frugiperda. All treatments showed ovicidal effect except clove oil at the two concentrations without Bta. Histological analysis showed that clove and long pepper oils at the concentrations of 30 and 50 mg/L have affected spermatogenesis and the histochemistry of the ovarioles of S. frugiperda, reflecting on their reproduction. However, the effects of long pepper oil associated or not to Bta were more expressive, proving to be a promising tool to control this pest, adapting to MIP, controlling the survival of offspring and its success in the culture. |
publishDate |
2012 |
dc.date.issued.fl_str_mv |
2012-02-01 |
dc.date.accessioned.fl_str_mv |
2016-11-24T15:23:56Z |
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info:eu-repo/semantics/publishedVersion |
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dc.identifier.citation.fl_str_mv |
CRUZ, Glaucilane dos Santos. Efeitos subletais de óleos essenciais associados com Bacillus thuringiensis var. aizawai sobre Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae). 2012. 81 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/tede2/5976 |
identifier_str_mv |
CRUZ, Glaucilane dos Santos. Efeitos subletais de óleos essenciais associados com Bacillus thuringiensis var. aizawai sobre Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae). 2012. 81 f. Dissertação ( Programa de Pós-Graduação em Entomologia Agrícola) - Universidade Federal Rural de Pernambuco, Recife. |
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