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Registro Completo |
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Biblioteca(s): |
Embrapa Pesca e Aquicultura. |
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Data corrente: |
27/02/2024 |
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Data da última atualização: |
01/03/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SILVA, A. F. T.; SILVA, L. B.; MALAQUIAS, J. B.; SALUSTINO, A. S.; CORREIA NETO, D. F.; PACHECO, D. M.; FRAGOSO, D. B.; PEREIRA, E. J. G.; a. |
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Afiliação: |
ALISSON FRANCO TORRES DA SILVA, UNIVERSIDADE FEDERAL DO PIAUÍ; LUCIANA BARBOZA SILVA, UNIVERSIDADE FEDERAL DO PIAUÍ; JOSE B. MALAQUIAS, UNIVERSIDADE FEDERAL DA PARAÍBA; ANGELICA S. SALUSTINO, UNIVERSIDADE FEDERAL DA PARAÍBA; DOMINGOS FRANCISCO CORREIA NETO, UNIVERSIDADE FEDERAL DA PARAÍBA; DANIEL MARQUES PACHECO, UNIVERSIDADE FEDERAL DO PIAUÍ; DANIEL DE BRITO FRAGOSO, CNPASA; ELISEU J. G. PEREIRA, UNIVERSIDADE FEDERAL DE VIÇOSA. |
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Título: |
Susceptibility of fall armyworm field populations to Vip3Aa/Cry Bt maize in a tropical agricultural region. |
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Ano de publicação: |
2024 |
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Fonte/Imprenta: |
Agronomy, v. 14, n. 3, p. 451, 2024. |
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ISSN: |
2073-4395 |
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DOI: |
https://doi.org/10.3390/agronomy14030451 |
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Idioma: |
Inglês |
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Conteúdo: |
Fall armyworm (FAW, Spodoptera frugiperda) is a polyphagous and migratory lepidopteran pest insect in field crops and is notoriously invasive worldwide. In large portions of the Americas, its populations are managed using transgenic maize or cotton varieties producing insecticidal proteins from Bacillus thuringiensis (Bt), primarily Vip3Aa pyramided with Cry Bt proteins. We determined the susceptibility of FAW field populations from locations pressured with such maize hybrids for over five years. We used time–mortality bioassays with F1 third-instar larvae of six geographically distinct populations collected in maize fields of a tropical agricultural region encompassing four Brazilian states. We maintained the neonate progeny from the field populations on an artificial diet until the third instar, and then determined their survival curves on the foliage of three Vip3Aa/Cry-producing Bt maize hybrids. Death of the mid-size, third-instar FAWs occurred relatively rapidly, with larval mortality rates reaching 98–100% in less than five days regardless of Bt maize hybrid. However, median survival time (ST50) for the larvae differed among the populations, with the lowest and highest ST50 values occurring for PI-Cr (42 h, 1.75 d) and PI-Ur populations (66–90 h, 2.75–3.75 h), respectively. Therefore, the F1 third-instar larvae of FAW populations were largely susceptible to Vip3Aa/Cry-producing maize foliage, and the most contrasting susceptibility occurred in the insects from Piauí state, Brazil. These results indicate that progeny of FAWs from areas highly pressured with Vip3Aa/Cry Bt maize hybrids are killed on maize foliage producing Vip3Aa and Cry Bt proteins despite field reports of increased leaf damage by the larvae in some locations. This research informs decision making for Bt-crop resistance management by producers, technicians, and researchers in local, regional, and world agriculture. MenosFall armyworm (FAW, Spodoptera frugiperda) is a polyphagous and migratory lepidopteran pest insect in field crops and is notoriously invasive worldwide. In large portions of the Americas, its populations are managed using transgenic maize or cotton varieties producing insecticidal proteins from Bacillus thuringiensis (Bt), primarily Vip3Aa pyramided with Cry Bt proteins. We determined the susceptibility of FAW field populations from locations pressured with such maize hybrids for over five years. We used time–mortality bioassays with F1 third-instar larvae of six geographically distinct populations collected in maize fields of a tropical agricultural region encompassing four Brazilian states. We maintained the neonate progeny from the field populations on an artificial diet until the third instar, and then determined their survival curves on the foliage of three Vip3Aa/Cry-producing Bt maize hybrids. Death of the mid-size, third-instar FAWs occurred relatively rapidly, with larval mortality rates reaching 98–100% in less than five days regardless of Bt maize hybrid. However, median survival time (ST50) for the larvae differed among the populations, with the lowest and highest ST50 values occurring for PI-Cr (42 h, 1.75 d) and PI-Ur populations (66–90 h, 2.75–3.75 h), respectively. Therefore, the F1 third-instar larvae of FAW populations were largely susceptible to Vip3Aa/Cry-producing maize foliage, and the most contrasting susceptibility occurred in the insects from Piauí s... Mostrar Tudo |
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Palavras-Chave: |
Bt crops. |
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Thesagro: |
Bacillus Thuringiensis; Lagarta; Praga de Planta; Spodoptera Frugiperda. |
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Thesaurus Nal: |
Insect pests; Resistance management; Transgenic insects; Tropical agriculture. |
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Categoria do assunto: |
O Insetos e Entomologia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1162293/1/agronomy-2024.pdf
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Marc: |
LEADER 02951naa a2200349 a 4500
001 2162293
005 2024-03-01
008 2024 bl uuuu u00u1 u #d
022 $a2073-4395
024 7 $ahttps://doi.org/10.3390/agronomy14030451$2DOI
100 1 $aSILVA, A. F. T.
245 $aSusceptibility of fall armyworm field populations to Vip3Aa/Cry Bt maize in a tropical agricultural region.$h[electronic resource]
260 $c2024
520 $aFall armyworm (FAW, Spodoptera frugiperda) is a polyphagous and migratory lepidopteran pest insect in field crops and is notoriously invasive worldwide. In large portions of the Americas, its populations are managed using transgenic maize or cotton varieties producing insecticidal proteins from Bacillus thuringiensis (Bt), primarily Vip3Aa pyramided with Cry Bt proteins. We determined the susceptibility of FAW field populations from locations pressured with such maize hybrids for over five years. We used time–mortality bioassays with F1 third-instar larvae of six geographically distinct populations collected in maize fields of a tropical agricultural region encompassing four Brazilian states. We maintained the neonate progeny from the field populations on an artificial diet until the third instar, and then determined their survival curves on the foliage of three Vip3Aa/Cry-producing Bt maize hybrids. Death of the mid-size, third-instar FAWs occurred relatively rapidly, with larval mortality rates reaching 98–100% in less than five days regardless of Bt maize hybrid. However, median survival time (ST50) for the larvae differed among the populations, with the lowest and highest ST50 values occurring for PI-Cr (42 h, 1.75 d) and PI-Ur populations (66–90 h, 2.75–3.75 h), respectively. Therefore, the F1 third-instar larvae of FAW populations were largely susceptible to Vip3Aa/Cry-producing maize foliage, and the most contrasting susceptibility occurred in the insects from Piauí state, Brazil. These results indicate that progeny of FAWs from areas highly pressured with Vip3Aa/Cry Bt maize hybrids are killed on maize foliage producing Vip3Aa and Cry Bt proteins despite field reports of increased leaf damage by the larvae in some locations. This research informs decision making for Bt-crop resistance management by producers, technicians, and researchers in local, regional, and world agriculture.
650 $aInsect pests
650 $aResistance management
650 $aTransgenic insects
650 $aTropical agriculture
650 $aBacillus Thuringiensis
650 $aLagarta
650 $aPraga de Planta
650 $aSpodoptera Frugiperda
653 $aBt crops
700 1 $aSILVA, L. B.
700 1 $aMALAQUIAS, J. B.
700 1 $aSALUSTINO, A. S.
700 1 $aCORREIA NETO, D. F.
700 1 $aPACHECO, D. M.
700 1 $aFRAGOSO, D. B.
700 1 $aPEREIRA, E. J. G.
700 1 $aa
773 $tAgronomy$gv. 14, n. 3, p. 451, 2024.
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Registro original: |
Embrapa Pesca e Aquicultura (CNPASA) |
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| Registros recuperados : 689 | |
| 1. |  | SILVA, A. F. Comitê de Publicações. In: EMBRAPA. Centro de Nacional de Pesquisa de Milho e Sorgo. Relatório técnico anual do Centro Nacional de Pesquisa de Milho e Sorgo 1985-1987. Sete Lagoas, 1991. p. 166-167.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 2. | | SILVA, A. F. O clima e as plantas. In: JATOBÁ, L.; SILVA, A. F. (org.). Tópicos especiais de climatologia. Ananindeua: Itacaiúnas, 2020. Cap. 7, p. 96-112.| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Semiárido. |
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| 4. | | SILVA, A. F. Comunidades Cacimba do Baltazar e Morro Alto. In: REIS, A. H.; OLIVEIRA, L. M. S. R. de (Org.). Universidade e intervivência: diálogo possível entre os movimentos sociais e a academia. Belo Horizonte: Manuscritos, 2011. p. 119-145. il.| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Semiárido. |
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| 5. | | SILVA, A. F. Condições naturais e uso do solo. In: JATOBÁ, L.; LINS, R. C.; SILVA, A. F. Tópicos especiais de geografia física. 2. ed. Recife: Progresso, 2014. v. 1, p. 109-142.| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Semiárido. |
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| 6. | | SILVA, A. F. Bases agroecológicas e resiliência de sistemas de produção em espaços geográficos Semiáridos. In: NÓBREGA, R. S.; SILVA, A. S. dq; SILVA, A. K. de C.; COSTA, A. M. M. da; DANTAS, A. M. da S.; LIRA, D. V. de; MELO, E. E. de; BORGES, G. F. D. de. S.; SILVA, G. A. da; SOUZA, L. M. da S.; SENA, L. M. F. de; OLIVEIRA. T. N. de; ROSÁRIO, T. N. da S.; HOLANDA, T. F. de (Org.). Reflexões sobre o semiárido: obra do encontro do pensamento geográfico nanindeua: Itacaiúnas, 2017. cap. 4, p. 52-66.| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Semiárido. |
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| 13. | | SILVA, A. F. Manejo cultural do milho forrageiro. In: MILHO para ensilagem: tecnologias, sistemas e custo de produção. Sete Lagoas: EMBRAPA-CNPMS, 1991, p. 9-27. (EMBRAPA-CNPMS. Circular técnica, 14).| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 16. | | SILVA, A. F. da. Métodos culturais de sorgo. In: In: RECOMENDAÇÕES técnicas para o cultivo do sorgo. 3. ed. Sete Lagoas: EMBRAPA-CNPMS, 1988. p. 37-39. (EMBRAPA-CNPMS. Circular técnica,1).| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 17. | | SILVA, A. F. da. Método culturais. In: RECOMENDAÇÕES para o cultivo do sorgo. 2. ed. rev. atual. Sete Lagoas: EMBRAPA-CNPMS, 1982. p. 41-43. (EMBRAPA-CNPMS. Circular técnica, 1).| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 20. | | SILVA, A. F. Práticas agroecológicas para enfrentar riscos na agropecuária do Semiárido brasileiro. In: MAGNONI JÚNIOR, L.; FREITAS, C. M. de; LOPES, E. S. S.; CASTRO, G. R. B.; BARBOSA, H. A.; LONDE, L. R.; MAGNONI, M. da G. M.; SILVA, R. S.; TEIXEIRA, T.; FIGUEIREDO, W. dos. S. (org.). Redução do risco de desastres e a resiliência no meio rural e urbano. 2. ed. São Paulo: CPS, 2020. p. 200-222.| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Semiárido. |
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| Registros recuperados : 689 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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