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 | Acesso ao texto completo restrito à biblioteca da Embrapa Cerrados. Para informações adicionais entre em contato com cpac.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados; Embrapa Recursos Genéticos e Biotecnologia. |
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Data corrente: |
09/05/2022 |
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Data da última atualização: |
07/12/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
OLIVEIRA, C. M. de; LEITE, L. G.; VIEIRA, E. A.; FIALHO, J. de F.; FRIZZAS, M. R.; LOPES, R. B. |
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Afiliação: |
CHARLES MARTINS DE OLIVEIRA, CPAC; LUÍS GARRIGÓS LEITE, Instituto Biológico, Laboratório de Controle Biológico, Campinas, SP, Brasil.; EDUARDO ALANO VIEIRA, CPAC; JOSEFINO DE FREITAS FIALHO, CPAC; MARINA REGINA FRIZZAS, Universidade de Brasília, Departamento de Zoologia, Brasília, DF, Brasil.; ROGERIO BIAGGIONI LOPES, Cenargen. |
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Título: |
Assessment of entomopathogenic nematodes and fungi against Eubulus cf. elongatus Hustache (Coleoptera: Curculionidae), a destructive cassava pest in Brazil. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Biocontrol Science and Technology, 2022. |
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DOI: |
https://doi.org/10.1080/09583157.2022.2070601 |
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Idioma: |
Inglês |
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Conteúdo: |
Eubulus cf. elongatus was recently recorded as one of the most destructive pests of cassava in the Brazilian Cerrado. In this study, we evaluate the susceptibility of E. cf. elongatus to entomopathogenic fungi and nematodes in laboratory. Adults and larvae of E. cf. elongatus were first collected in the field to assess the natural occurrence of fungi and nematodes. Seven nematode species within Heterorhabditis and Steinernema genera were tested in direct applications onto the larvae or indirectly through soil inoculation (2000 infective juveniles per group of 10 larvae). Bioassays with 16 strains of entomopathogenic fungi (beauveria and metarhizium species) were conducted by immersion (108 conidia per mL), direct spray or by exposing adults to soil sprayed with conidial suspensions (6 × 104 conidia per cm2). In all bioassays insects were kept at 24?25 °C and 75-90% RH for 16 days. Nematodes were not found naturally occurring in E. cf. elongatus larvae collected in field. Of the adults collected, 1.76% and 0.04% were infected with B. bassiana and Metarhizium sp., respectively. In the laboratory trials, the highest mortality of larvae was caused by H. bacteriophora (95.0% for application on larvae and 60% for soil application). Entomopathogenic fungi caused low mortality rates in adults of E. cf. elongatus, being less than 11% in direct and soil applications and reaching a maximum of 16.07% when insects were treated by immersion. Our results show the potential of nematodes, such as H. bacteriophora, in controlling the larvae of E. cf. elongatus in soil. MenosEubulus cf. elongatus was recently recorded as one of the most destructive pests of cassava in the Brazilian Cerrado. In this study, we evaluate the susceptibility of E. cf. elongatus to entomopathogenic fungi and nematodes in laboratory. Adults and larvae of E. cf. elongatus were first collected in the field to assess the natural occurrence of fungi and nematodes. Seven nematode species within Heterorhabditis and Steinernema genera were tested in direct applications onto the larvae or indirectly through soil inoculation (2000 infective juveniles per group of 10 larvae). Bioassays with 16 strains of entomopathogenic fungi (beauveria and metarhizium species) were conducted by immersion (108 conidia per mL), direct spray or by exposing adults to soil sprayed with conidial suspensions (6 × 104 conidia per cm2). In all bioassays insects were kept at 24?25 °C and 75-90% RH for 16 days. Nematodes were not found naturally occurring in E. cf. elongatus larvae collected in field. Of the adults collected, 1.76% and 0.04% were infected with B. bassiana and Metarhizium sp., respectively. In the laboratory trials, the highest mortality of larvae was caused by H. bacteriophora (95.0% for application on larvae and 60% for soil application). Entomopathogenic fungi caused low mortality rates in adults of E. cf. elongatus, being less than 11% in direct and soil applications and reaching a maximum of 16.07% when insects were treated by immersion. Our results show the potential of nematodes, su... Mostrar Tudo |
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Palavras-Chave: |
Cassava root borer; Soil pest. |
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Thesagro: |
Manihot Esculenta. |
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Thesaurus Nal: |
Beauveria; Heterorhabditis bacteriophora; Metarhizium. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02441naa a2200265 a 4500
001 2143774
005 2022-12-07
008 2022 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1080/09583157.2022.2070601$2DOI
100 1 $aOLIVEIRA, C. M. de
245 $aAssessment of entomopathogenic nematodes and fungi against Eubulus cf. elongatus Hustache (Coleoptera$bCurculionidae), a destructive cassava pest in Brazil.$h[electronic resource]
260 $c2022
520 $aEubulus cf. elongatus was recently recorded as one of the most destructive pests of cassava in the Brazilian Cerrado. In this study, we evaluate the susceptibility of E. cf. elongatus to entomopathogenic fungi and nematodes in laboratory. Adults and larvae of E. cf. elongatus were first collected in the field to assess the natural occurrence of fungi and nematodes. Seven nematode species within Heterorhabditis and Steinernema genera were tested in direct applications onto the larvae or indirectly through soil inoculation (2000 infective juveniles per group of 10 larvae). Bioassays with 16 strains of entomopathogenic fungi (beauveria and metarhizium species) were conducted by immersion (108 conidia per mL), direct spray or by exposing adults to soil sprayed with conidial suspensions (6 × 104 conidia per cm2). In all bioassays insects were kept at 24?25 °C and 75-90% RH for 16 days. Nematodes were not found naturally occurring in E. cf. elongatus larvae collected in field. Of the adults collected, 1.76% and 0.04% were infected with B. bassiana and Metarhizium sp., respectively. In the laboratory trials, the highest mortality of larvae was caused by H. bacteriophora (95.0% for application on larvae and 60% for soil application). Entomopathogenic fungi caused low mortality rates in adults of E. cf. elongatus, being less than 11% in direct and soil applications and reaching a maximum of 16.07% when insects were treated by immersion. Our results show the potential of nematodes, such as H. bacteriophora, in controlling the larvae of E. cf. elongatus in soil.
650 $aBeauveria
650 $aHeterorhabditis bacteriophora
650 $aMetarhizium
650 $aManihot Esculenta
653 $aCassava root borer
653 $aSoil pest
700 1 $aLEITE, L. G.
700 1 $aVIEIRA, E. A.
700 1 $aFIALHO, J. de F.
700 1 $aFRIZZAS, M. R.
700 1 $aLOPES, R. B.
773 $tBiocontrol Science and Technology, 2022.
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Registro original: |
Embrapa Cerrados (CPAC) |
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Biblioteca |
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Origem |
Tipo/Formato |
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Registro |
Volume |
Status |
URL |
Voltar
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Registro Completo
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Biblioteca(s): |
Embrapa Rondônia. |
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Data corrente: |
31/03/2022 |
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Data da última atualização: |
31/03/2022 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
COSTA, N. de L.; PAULINO, V. T.; TOWNSEND, C. R. |
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Afiliação: |
NEWTON DE LUCENA COSTA, CPAF-RO; VALDINEI TADEU PAULINO, Instituto de Zootecnia, Nova Odessa, São Paulo; CLAUDIO RAMALHO TOWNSEND, CPAF-RO. |
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Título: |
Resposta de Arachis pintoi cv Amarillo à níveis de fósforo. |
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Ano de publicação: |
1997 |
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Fonte/Imprenta: |
In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 34., 1997, Juiz de Fora. Anais... Juiz de Fora: Sociedade Brasileira de Zootecnia, 1997. |
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Páginas: |
3 p. |
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Descrição Física: |
1 CD-ROM. |
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Idioma: |
Português |
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Conteúdo: |
O efeito de níveis de fósforo (0, 30, 60, 90 e 120 mg dm3 de P) sobre o rendimento de matéria seca (MS) e composição química de Arachis pintoi cv. Amarillo, foi avaliado sob condições de casa-de-vegetação. A adubação fosfatada incrementou significativamente os rendimentos de MS e teores de cálcio e potássio, contudo não afetou os teores de fósforo e magnésio. O máximo rendimento de MS foi obtido com a aplicação de 114,5 mg /dm3 de P, enquanto que o maior teor de cálcio foi obtido com a aplicação de 56, 6 mg P/dm3. O nível crítico interno de fósforo relacionado a 90% da produção máxima de MS foi estimado em 0,186%. A eficiência de utilização de fósforo foi inversamente proporcional às doses aplicadas. The effect of phosphorus levels (0, 30 60, 90 and 120 mg /dm3 of P) on dry matter (DM) yield and chemical composition of Arachis pintoi cv. Amarillo, was evaluated under greenhouse conditions. P fertilization significantly increased DM yields and calcium and potassium contents, however, did not affect phosphorus and magnesium contents. Maximum DM yield and calcium contents were obtained with the application of 114,5 and 56,6 mg /dm3 of P, respectively. Internal phosphorus requeriment for 90% maximum DM yield was estimated at 0,186%. The phosphorus efficiency utilization decreased with increased phosphorus levels |
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Palavras-Chave: |
Amazônia Ocidental; Amendoim forrageiro; Arachis pintoi cv Amarillo; Embrapa Rondônia; Forage peanut; Porto Velho (RO); Rondônia; Western Amazon. |
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Thesagro: |
Campo Experimental; Características Agronômicas; Composição Química; Estufa; Fertilizante Fosfatado; Forragem; Leguminosa Forrageira; Matéria Seca; Produção; Rendimento. |
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Thesaurus NAL: |
Agronomic traits; Chemical composition; Crop yield; Demonstration farms; Dry matter accumulation; Forage legumes; Forage production; Greenhouse experimentation; Phosphorus fertilizers. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/233156/1/cpafro-18746.DOC
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Marc: |
LEADER 02809nam a2200469 a 4500
001 2141656
005 2022-03-31
008 1997 bl uuuu u00u1 u #d
100 1 $aCOSTA, N. de L.
245 $aResposta de Arachis pintoi cv Amarillo à níveis de fósforo.$h[electronic resource]
260 $aIn: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 34., 1997, Juiz de Fora. Anais... Juiz de Fora: Sociedade Brasileira de Zootecnia$c1997
300 $a3 p.$c1 CD-ROM.
520 $aO efeito de níveis de fósforo (0, 30, 60, 90 e 120 mg dm3 de P) sobre o rendimento de matéria seca (MS) e composição química de Arachis pintoi cv. Amarillo, foi avaliado sob condições de casa-de-vegetação. A adubação fosfatada incrementou significativamente os rendimentos de MS e teores de cálcio e potássio, contudo não afetou os teores de fósforo e magnésio. O máximo rendimento de MS foi obtido com a aplicação de 114,5 mg /dm3 de P, enquanto que o maior teor de cálcio foi obtido com a aplicação de 56, 6 mg P/dm3. O nível crítico interno de fósforo relacionado a 90% da produção máxima de MS foi estimado em 0,186%. A eficiência de utilização de fósforo foi inversamente proporcional às doses aplicadas. The effect of phosphorus levels (0, 30 60, 90 and 120 mg /dm3 of P) on dry matter (DM) yield and chemical composition of Arachis pintoi cv. Amarillo, was evaluated under greenhouse conditions. P fertilization significantly increased DM yields and calcium and potassium contents, however, did not affect phosphorus and magnesium contents. Maximum DM yield and calcium contents were obtained with the application of 114,5 and 56,6 mg /dm3 of P, respectively. Internal phosphorus requeriment for 90% maximum DM yield was estimated at 0,186%. The phosphorus efficiency utilization decreased with increased phosphorus levels
650 $aAgronomic traits
650 $aChemical composition
650 $aCrop yield
650 $aDemonstration farms
650 $aDry matter accumulation
650 $aForage legumes
650 $aForage production
650 $aGreenhouse experimentation
650 $aPhosphorus fertilizers
650 $aCampo Experimental
650 $aCaracterísticas Agronômicas
650 $aComposição Química
650 $aEstufa
650 $aFertilizante Fosfatado
650 $aForragem
650 $aLeguminosa Forrageira
650 $aMatéria Seca
650 $aProdução
650 $aRendimento
653 $aAmazônia Ocidental
653 $aAmendoim forrageiro
653 $aArachis pintoi cv Amarillo
653 $aEmbrapa Rondônia
653 $aForage peanut
653 $aPorto Velho (RO)
653 $aRondônia
653 $aWestern Amazon
700 1 $aPAULINO, V. T.
700 1 $aTOWNSEND, C. R.
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