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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
03/12/2014 |
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Data da última atualização: |
03/12/2014 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
LEITE, N. A.; MENDES, S. M.; SANTOS, C. A. dos; PEREIRA, E. J. G. |
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Afiliação: |
SIMONE MARTINS MENDES, CNPMS. |
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Título: |
Does Cry1Ab maize interfere in the biology and behavioural traits of Podisus nigrispinus? |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Bulletin of Insectology, Bologna, v. 67, n. 2, p. 265-271, 2014. |
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Idioma: |
Inglês |
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Conteúdo: |
Transgenic plants expressing Bacillus thuringiensis proteins can indirectly affect natural enemies of target insects, and the assessment of these effects is essential in risk analysis of genetically modified plants. The biology of Podisus nigrispinus (Dallas) (Hemiptera Pentatomidae) and changes in the predation behaviour of this insect when fed with Bt (Cry1Ab) maize-fed Spodoptera frugiperda (J. E. Smith) larvae (Lepidoptera Noctuidae) was evaluated. The predator showed 43.7% delay in the nymphal development time and 15% biomass reduction in the fifth instar, probably due to low nutritional quality of prey exposed to Bt maize. Survival curves were similar in predators fed with S. frugiperda larvae exposed and not exposed to Bt maize. The predator search time was slightly influenced by the developmental delay of S. frugiperda fed with Bt maize. In a greenhouse assay P. nigrispinus was important in controlling S. frugiperda density in Bt maize expressing the Cry1Ab protein. Our laboratory results indicate that Bt maize may cause indirect effects on P. nigrispinus, and suggest that nutritional prey-quality factors other than the Bt protein determine the observed negative effects. However, the semi-field greenhouse assays demonstrate that indirect negative effects of Bt maize on the predator?s performance and search behaviour is not substantiated, and that plant damage is lowest if Bt maize is used concurrently with biological control by P. nigrispinus for managing S. frugiperda. MenosTransgenic plants expressing Bacillus thuringiensis proteins can indirectly affect natural enemies of target insects, and the assessment of these effects is essential in risk analysis of genetically modified plants. The biology of Podisus nigrispinus (Dallas) (Hemiptera Pentatomidae) and changes in the predation behaviour of this insect when fed with Bt (Cry1Ab) maize-fed Spodoptera frugiperda (J. E. Smith) larvae (Lepidoptera Noctuidae) was evaluated. The predator showed 43.7% delay in the nymphal development time and 15% biomass reduction in the fifth instar, probably due to low nutritional quality of prey exposed to Bt maize. Survival curves were similar in predators fed with S. frugiperda larvae exposed and not exposed to Bt maize. The predator search time was slightly influenced by the developmental delay of S. frugiperda fed with Bt maize. In a greenhouse assay P. nigrispinus was important in controlling S. frugiperda density in Bt maize expressing the Cry1Ab protein. Our laboratory results indicate that Bt maize may cause indirect effects on P. nigrispinus, and suggest that nutritional prey-quality factors other than the Bt protein determine the observed negative effects. However, the semi-field greenhouse assays demonstrate that indirect negative effects of Bt maize on the predator?s performance and search behaviour is not substantiated, and that plant damage is lowest if Bt maize is used concurrently with biological control by P. nigrispinus for managing S. frugiper... Mostrar Tudo |
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Palavras-Chave: |
Milho Bt; Predação. |
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Thesagro: |
Controle biológico; Spodoptera frugiperda. |
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Thesaurus Nal: |
Predation. |
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Categoria do assunto: |
H Saúde e Patologia |
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Marc: |
LEADER 02151naa a2200217 a 4500
001 2001478
005 2014-12-03
008 2014 bl uuuu u00u1 u #d
100 1 $aLEITE, N. A.
245 $aDoes Cry1Ab maize interfere in the biology and behavioural traits of Podisus nigrispinus?$h[electronic resource]
260 $c2014
520 $aTransgenic plants expressing Bacillus thuringiensis proteins can indirectly affect natural enemies of target insects, and the assessment of these effects is essential in risk analysis of genetically modified plants. The biology of Podisus nigrispinus (Dallas) (Hemiptera Pentatomidae) and changes in the predation behaviour of this insect when fed with Bt (Cry1Ab) maize-fed Spodoptera frugiperda (J. E. Smith) larvae (Lepidoptera Noctuidae) was evaluated. The predator showed 43.7% delay in the nymphal development time and 15% biomass reduction in the fifth instar, probably due to low nutritional quality of prey exposed to Bt maize. Survival curves were similar in predators fed with S. frugiperda larvae exposed and not exposed to Bt maize. The predator search time was slightly influenced by the developmental delay of S. frugiperda fed with Bt maize. In a greenhouse assay P. nigrispinus was important in controlling S. frugiperda density in Bt maize expressing the Cry1Ab protein. Our laboratory results indicate that Bt maize may cause indirect effects on P. nigrispinus, and suggest that nutritional prey-quality factors other than the Bt protein determine the observed negative effects. However, the semi-field greenhouse assays demonstrate that indirect negative effects of Bt maize on the predator?s performance and search behaviour is not substantiated, and that plant damage is lowest if Bt maize is used concurrently with biological control by P. nigrispinus for managing S. frugiperda.
650 $aPredation
650 $aControle biológico
650 $aSpodoptera frugiperda
653 $aMilho Bt
653 $aPredação
700 1 $aMENDES, S. M.
700 1 $aSANTOS, C. A. dos
700 1 $aPEREIRA, E. J. G.
773 $tBulletin of Insectology, Bologna$gv. 67, n. 2, p. 265-271, 2014.
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Embrapa Milho e Sorgo (CNPMS) |
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| 3. |  | DELA PICCOLLA, C.; NOVOTNY, E. H.; MURAOKA, T.; BRITO, J. O.; SAITO, M. Colonização de plantas e germinação de esporos e fungos micorrízicos arbusculares na presença de biochar. In: ENCONTRO BRASILEIRO DE SUBSTÂNCIAS HÚMICAS, 11., 2015, São Carlos, SP. Substâncias húmicas, ciência e tecnologia: livro de resumos. São Carlos, SP: IQSC, 2015. p. 467-470.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Solos. |
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| 4. | | DELA PICCOLLA, C.; HESTERBERG, D.; NOVOTNY, E. H.; MURAOKA, T.; ANASTACIO, T. C.; REIS, J. V. dos. Improving bone-based phosphate fertilizer by pyrolysis. In: WORLD CONGRESS OF SOIL SCIENCE, 21., 2018, Rio de Janeiro. Soil science: beyond food and fuel: proceedings... Viçosa, MG: SBCS, 2019. v. 2, p. 381. WCSS 2018.| Tipo: Resumo em Anais de Congresso |
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| Registros recuperados : 6 | |
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