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 | Acesso ao texto completo restrito à biblioteca da Embrapa Roraima. Para informações adicionais entre em contato com cpafrr.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Ambiente; Embrapa Roraima. |
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Data corrente: |
16/05/2019 |
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Data da última atualização: |
22/11/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
LIMA, H. E. de; HALFELD-VIEIRA, B. de A.; NECHET, K. de L.; SOUZA, G. R. de; MIZUBUTI, E. S. G.; OLIVEIRA, J. R. de. |
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Afiliação: |
HYANAMEYKA EVANGELISTA DE L PRIMO, CPAF-RR; BERNARDO DE ALMEIDA HALFELD VIEIRA, CNPMA; KATIA DE LIMA NECHET, CNPMA; GIOVANNI RIBEIRO DE SOUZA, CPAF-RR. |
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Título: |
Influence of Bacterial Blight on different phenological stages of cowpea. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Scientia Horticulturae, v. 255, p. 44-51, 2019. |
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Idioma: |
Inglês
Português |
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Conteúdo: |
Abstract: The cowpea bacterial blight is a common disease, but some of its epidemiological parameters have not been totally elucidated. The objective of this study was to determine the influence of the inoculation of the bacterial blight pathogen (Xanthomonas citri pv. vignicola - Xcv) at different phenological stages of the cowpea, as well the effect on its yield components, and the transmission of the bacterium to the seed. Under greenhouse conditions, plant defoliation was observed on the cowpea cultivar BRS Bragança inoculated with 107 CFU of Xcv/mL at the four phenological stages, - VC (plants with primary leaves at nodes 1 & 2), V3 (3rd trifoliolate leaf unfolded at node 5), R2 (50–100% of open flowers), and R3 (one pod at maximum lenght). There was a difference in the relative area under the disease progress curve (RAUDPC) between the phenological stages and the reduction of some production components, such as dry seed mass. The pathogen was isolated from seeds produced in infected plants in all phenological stage, with the highest values ??of CFU per gram of seeds in the V3 and R3. Under field conditions, two experiments were conducted using the cv. BRS Vita-7 (resistant) and cv. BRS Bragança (susceptible) inoculated with Xcv at the V3 and R2. The disease was more severe in cv. BRS Bragança, with the RAUDPC being higher in plants inoculated at V3 with a reduction of dry seed mass in inoculated R2 and inoculated R3 when compared to their uninoculated counterparts across two growing seasons. Regardless of the phenological stage in which the plant was inoculated, it was possible to detect Xcv in cv. BRS Bragança and cv. BRS Vita-7 seeds. The highest values of CFU per gram were recorded in samples from cv. BRS Bragança inoculated at V3 stage. Results on the presence cowpea's seeds infected by Xcv show that bacterial blight disease is highly seed transmitted and demonstrate the current need to avoid additional spread of the pathogen to new areas where there are favorable climatic conditions in Brazil or to disease-free countries that can result in considerable losses. Thus, the disease management should be used based on seed certification programmes, realizing sanitary tests of cowpea seed to avoid the spread of Xcv and the maintenance of disease-free seed stocks. MenosAbstract: The cowpea bacterial blight is a common disease, but some of its epidemiological parameters have not been totally elucidated. The objective of this study was to determine the influence of the inoculation of the bacterial blight pathogen (Xanthomonas citri pv. vignicola - Xcv) at different phenological stages of the cowpea, as well the effect on its yield components, and the transmission of the bacterium to the seed. Under greenhouse conditions, plant defoliation was observed on the cowpea cultivar BRS Bragança inoculated with 107 CFU of Xcv/mL at the four phenological stages, - VC (plants with primary leaves at nodes 1 & 2), V3 (3rd trifoliolate leaf unfolded at node 5), R2 (50–100% of open flowers), and R3 (one pod at maximum lenght). There was a difference in the relative area under the disease progress curve (RAUDPC) between the phenological stages and the reduction of some production components, such as dry seed mass. The pathogen was isolated from seeds produced in infected plants in all phenological stage, with the highest values ??of CFU per gram of seeds in the V3 and R3. Under field conditions, two experiments were conducted using the cv. BRS Vita-7 (resistant) and cv. BRS Bragança (susceptible) inoculated with Xcv at the V3 and R2. The disease was more severe in cv. BRS Bragança, with the RAUDPC being higher in plants inoculated at V3 with a reduction of dry seed mass in inoculated R2 and inoculated R3 when compared to their uninoculated counterparts acro... Mostrar Tudo |
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Palavras-Chave: |
Bacterial blight. |
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Thesagro: |
Doença de Planta; Feijão de Corda; Vigna Unguiculata; Xanthomonas Citri. |
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Thesaurus Nal: |
Bacterial diseases of plants; Cowpeas; Disease transmission. |
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Categoria do assunto: |
--
H Saúde e Patologia |
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Marc: |
LEADER 03132naa a2200277 a 4500
001 2109056
005 2019-11-22
008 2019 bl uuuu u00u1 u #d
100 1 $aLIMA, H. E. de
245 $aInfluence of Bacterial Blight on different phenological stages of cowpea.$h[electronic resource]
260 $c2019
520 $aAbstract: The cowpea bacterial blight is a common disease, but some of its epidemiological parameters have not been totally elucidated. The objective of this study was to determine the influence of the inoculation of the bacterial blight pathogen (Xanthomonas citri pv. vignicola - Xcv) at different phenological stages of the cowpea, as well the effect on its yield components, and the transmission of the bacterium to the seed. Under greenhouse conditions, plant defoliation was observed on the cowpea cultivar BRS Bragança inoculated with 107 CFU of Xcv/mL at the four phenological stages, - VC (plants with primary leaves at nodes 1 & 2), V3 (3rd trifoliolate leaf unfolded at node 5), R2 (50–100% of open flowers), and R3 (one pod at maximum lenght). There was a difference in the relative area under the disease progress curve (RAUDPC) between the phenological stages and the reduction of some production components, such as dry seed mass. The pathogen was isolated from seeds produced in infected plants in all phenological stage, with the highest values ??of CFU per gram of seeds in the V3 and R3. Under field conditions, two experiments were conducted using the cv. BRS Vita-7 (resistant) and cv. BRS Bragança (susceptible) inoculated with Xcv at the V3 and R2. The disease was more severe in cv. BRS Bragança, with the RAUDPC being higher in plants inoculated at V3 with a reduction of dry seed mass in inoculated R2 and inoculated R3 when compared to their uninoculated counterparts across two growing seasons. Regardless of the phenological stage in which the plant was inoculated, it was possible to detect Xcv in cv. BRS Bragança and cv. BRS Vita-7 seeds. The highest values of CFU per gram were recorded in samples from cv. BRS Bragança inoculated at V3 stage. Results on the presence cowpea's seeds infected by Xcv show that bacterial blight disease is highly seed transmitted and demonstrate the current need to avoid additional spread of the pathogen to new areas where there are favorable climatic conditions in Brazil or to disease-free countries that can result in considerable losses. Thus, the disease management should be used based on seed certification programmes, realizing sanitary tests of cowpea seed to avoid the spread of Xcv and the maintenance of disease-free seed stocks.
650 $aBacterial diseases of plants
650 $aCowpeas
650 $aDisease transmission
650 $aDoença de Planta
650 $aFeijão de Corda
650 $aVigna Unguiculata
650 $aXanthomonas Citri
653 $aBacterial blight
700 1 $aHALFELD-VIEIRA, B. de A.
700 1 $aNECHET, K. de L.
700 1 $aSOUZA, G. R. de
700 1 $aMIZUBUTI, E. S. G.
700 1 $aOLIVEIRA, J. R. de
773 $tScientia Horticulturae$gv. 255, p. 44-51, 2019.
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Registro original: |
Embrapa Roraima (CPAF-RR) |
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| Registros recuperados : 70 | |
| 41. |  | PONTES, N. de C.; NASCIMENTO, A. dos R.; JUNQUEIRA, B.; GOLYNSKI, A.; MAFFIA, L. A.; OLIVEIRA, J. R. de; DUVAL, A. M. Q. Importância do volume de calda para o controle químico da mancha bacteriana em tomate para processamento. Horticultura Brasileira, Brasília, DF, v. 29, n. 2, p. 5182-5189, jul. 2011. CD-ROM. Suplemento. Trabalho apresentado no 51. Congresso Brasileiro de Olericultura, Viçosa, MG.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Hortaliças. |
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| 43. | | RODRIGUES, N. F.; OLIVEIRA, J. R. de; PEREIRA, M. de O.; SILVA, A. A. R. da; HÜTHER, C. M.; TAVARES, S. R. de L. Germination of chapolin® tomato using different substrates and shading. In: WORKSHOP ON BIOSYSTEMS ENGINEERING - WEB 7.0, 7., 2021, Niterói. Proceedings [...]. Niterói: AGRHA, 2021. p. 151-156. Evento on-line.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Solos. |
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| 45. | | RODRIGUES, N. F.; HAMACHER, L. da S.; TAVARES, S. R. de L.; SILVA, F. C. da; OLIVEIRA, J. R. de; CORRÊA, G. M.; HÜTHER, C. M. Effects of malt bagasse utilization on kale germination using different substrates and shadings. In: WORKSHOP ON BIOSYSTEMS ENGINEERING - WEB 7.0, 7., 2021, Niterói. Proceedings [...]. Niterói: AGRHA, 2021. p. 142-146. Evento on-line.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Solos. |
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| 47. | | OLIVEIRA, J. R. de; SAGGIN JÚNIOR, O. J.; RESENDE, L. V.; SILVA, E. M. R.; RESENDE, G. M. de; RESENDE, J. M. Eficiência de fungos micorrízicos arbusculares (FMAs) em colonizar e beneficiar o crescimento de mudas micropropagadas de cará-da-costa. Horticultura Brasileira, Brasilia, DF, v. 21, n. 2, jul. 2003. 1 CD-ROM. Suplemento. Edição do 43 Congresso Brasileiro de Olericultura, Recife, jul. 2003.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Semiárido. |
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| 48. | | OLIVEIRA, J. R. de; SAGGIN JÚNIOR, O. J.; RESENDE, L. V.; SILVA, E. M. R.; RESENDE, G. M. de; RESENDE, J. M. Eficiência de fungos micorrízicos arbusculares (FMAs) em colonizar e beneficiar o crescimento de mudas micropropagadas de cará-da-costa. Horticultura Brasileira, Brasília, v. 21, n. 2, p. 297, jul. 2003. Suplemento 1. Edição dos Resumos do 43 Congresso Brasileiro de Olericultura, Recife, jul. 2003.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Semiárido. |
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| 49. | | OLIVEIRA, J. R. de; NOVAIS, C. B. de; LIMA, W. L. de; SAGGIN JÚNIOR, O. J.; SILVA, E. M. R. da. Eficiência de fungos micorrízicos arbusculares em promover o crescimento de plantas micropropagadas de abacaxi cv. pérola durante a formação de mudas. In: REUNIÃO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRIÇÃO DE PLANTAS, 26., REUNIÃO BRASILEIRA SOBRE MICORRIZAS, 10., SIMPÓSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 8., REUNIÃO BRASILEIRA DE BIOLOGIA DO SOLO, 5., 2004, Lajes, SC. [avaliação das conquistas: bases para estratégias futuras: anais]. Lages: SBCS; UDESC Lages, Departamento de Solos, 2004. FERTBIO 2004. 4 p. 1 CD-ROM.| Biblioteca(s): Embrapa Agrobiologia. |
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| 51. | | LIMA, H. E. de; NECHET, K. de L.; HALFELD-VIEIRA, B. de A.; OLIVEIRA, J. R. de; MIZUBUTI, E. S. G.; SOUZA, G. R. de. Epidemiological aspects of cowpea bacterial blight. Tropical Plant Pathology, Brasília, DF, v. 40, n. 1, p. 46-55, 2015.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Meio Ambiente. |
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| 52. | | LIMA, W. L. de; LIMA, A. A. de; ROCHA, F. S.; NOVAIS, C. B. de; OLIVEIRA, J. R. de; SILVA, E. M. R. da; SAGGIN JÚNIOR, O. J. Produção de inoculante de fungos micorrízicos arbusculares em aeroponia. In: REUNIÃO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRIÇÃO DE PLANTAS, 26., REUNIÃO BRASILEIRA SOBRE MICORRIZAS, 10., SIMPÓSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 8., REUNIÃO BRASILEIRA DE BIOLOGIA DO SOLO, 5., 2004, Lajes, SC. [avaliação das conquistas: bases para estratégias futuras: anais]. Lages: SBCS; UDESC Lages, Departamento de Solos, 2004. FERTBIO 2004. 4 p. 1 CD-ROM.| Biblioteca(s): Embrapa Agrobiologia. |
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| 54. | | ALMEIDA, U. O. de; ANDRADE NETO, R. de C.; OLIVEIRA, J. R. de; MUNIZ, P. S. B.; COSTA, D. A. da. Origem e escalonamento da produção do abacaxi em Rio Branco/AC. In: SIMPÓSIO BRASILEIRO DA CULTURA DO ABACAXI, 6., 2015, Conceição do Araguaia. [Anais]. Belém, PA: SEDAP, 2015. 6 p. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Acre. |
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| 55. | | OLIVEIRA, J. R. de; RICARDO, R. de A. K.; DONAGEMMA, G. K.; HÜTHER, C. M.; BATISTA, I.; CORREIA, M. E. F.; MULLER, M. D. Photochemical efficiency of Brachiaria brizantha under Eucalyptus canopies in an ILF system. In: WORKSHOP ON BIOSYSTEMS ENGINEERING - WEB 9.0, 9., 2023, Niterói. Proceedings [...]. Niterói: AGRHA Consulting, 2023. p. 83-86.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Agrobiologia; Embrapa Gado de Leite; Embrapa Solos. |
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| 57. | | CORRÊA, G. M.; HUTHER, C. M.; MELO, P. S. de; ROCHA, N. P. de S.; NORONHA, A. C. R. de; OLIVEIRA, J. R. de; TAVARES, S. R. de L. Cultivation of water lettuce with different doses of salinity. In: WORKSHOP ON BIOSYSTEMS ENGINEERING - WEB 9.0, 9., 2023, Niterói. Proceedings [...]. Niterói: AGRHA Consulting, 2023. p. 232-236.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Solos. |
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| 58. | | ALMEIDA, U. O. de; ANDRADE NETO, R. de C.; MARINHO, J. T. de S.; GOMES, R. R.; OLIVEIRA, J. R. de; SANTOS, R. S. dos; TEIXEIRA JUNIOR, D. L.; ARAÚJO, J. C. de. Fitossociologia de plantas daninhas em cultivo de açaizeiro. Revista Brasileira de Agropecuária Sustentável, v. 9, n. 3, p. 59-67, set. 2019.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 3 |
| Biblioteca(s): Embrapa Acre. |
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| 59. | | OLIVEIRA, J. R. de; HÜTHER, C. M.; RICARDO, R. de A. K.; DONAGEMMA, G. K.; BATISTA, I.; CORREIA, M. E. F.; MULLER, M. D.; MELO, P. S. de; CORRÊA, G. M.; RODRIGUES, N. F.; TAVARES, S. R. de L. Evaluation of photosynthetic variables of Brachiaria brizantha under eucalyptus canopies in a livestock-forestry integration system. Agronomy Research, v. 22, 2024. On-line first.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
| Biblioteca(s): Embrapa Agrobiologia; Embrapa Gado de Leite; Embrapa Solos. |
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| 60. | | LIMA, H. E. de; NECHET, K. de L.; HALFELD-VIEIRA, B. de A.; OLIVEIRA, J. R. de; DUARTE, H. da S. S.; QUEIROZ, E. de S.; OLIVEIRAM F. de L. Elaboração e validação de escalas diagramáticas para avaliação da severidade da mancha-bacteriana do feijão-caupi em cultivares com trifólios morfologicamente distintos. Ciência Rural, Santa Maria, v.43, n. 10, p. 1735-1743, 2013.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Roraima. |
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| Registros recuperados : 70 | |
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