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| Registros recuperados : 62 | |
| 4. |  | MADRUGA, C. R.; MENDONCA, C. L.; SCHENK, M. A. M.; KOHAYAGAWA, A. Comparacao dos testes sorologicos de imunoadsorcao enzimatica (ELISA) e imunofluorescencia indireta (IFI) em bezerros inoculados experimentalmente com Babesia bigemina. In : SEMINARIO BRASILEIRO DE PARASITOLOGIA VETERINARIA, 10.; SEMINARIO DE PARASITOLOGIA VETERINARIA DO MERCOSUL, 1., 1997, Itajai. Anais... Revista Brasileira de Parasitologia Veterinaria, Sao Paulo, v.6, n.2, p. 303, ago. 1997. Suplemento 1. Resumo P6. CNPGC.| Biblioteca(s): Embrapa Gado de Corte. |
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| 5. | | CAMARÃO, A. P.; MENDONÇA, C. L. G.; RODRIGUES FILHO, J. A.; DUTRA, S. Composição botânica da dieta de bovinos em pastagem através da análise microhistológica em tres datas de amostragens. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 41., 2004, Campo Grande, MS. A produção animal e a segurança alimentar: anais dos simpósios e dos reumos. Campo Grande, MS: SBZ: Embrapa Gado de Corte, 2004. 1 CD-ROM.| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 7. | | MENDONÇA, C. L. G. de; CAMARÃO, A. P.; RODRIGUES FILHO, J. A. Composição botânica da dieta consumida por bovinos em pastagens de quicuio-da-amazônia (Brachiaria humidicola) através da analise microhistologica de fezes em área de pequeno produtor da Zona Bragantina. In: SEMINÁRIO DE INICIAÇÃO CIENTIFICA DA FCAP, 10.; SEMINÁRIO DE INICIAÇÃO CIENTIFICA DA EMBRAPA AMAZÔNIA ORIENTAL, 4., 2000, Belém, PA. Resumos. Belém, PA: FCAP, 2000. p. 289-292.| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 8. | | GUIMARÃES, A. K. V.; CAMARAO, A. P.; RODRIGUES FILHO, J. A.; MENDONÇA, C. L. G. Composição botânica da dieta consumida por bovinos em pastagens de quicuio-da-amazônia (Brachiaria humidicola) estabelecida em área de vegetação secundária através da análise microhistológica das fezes (2ª fase experimental). In: SEMINÁRIO DE INICIAÇÃO CIENTÍFICA DA FCAP, 12.; SEMINÁRIO DE INICIAÇÃO CIENTÍFICA DA EMBRAPA AMAZÔNIA ORIENTAL, 6., 2002, Belém, PA. A contribuição do profissional de Ciências Agrárias no uso e conservação da biodiversidade: anais. Belém, PA: FCAP: Embrapa Amazônia Oriental, 2002.| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 12. | | CAMARAO, A. P.; RODRIGUES FILHO, J. A.; GUIMARÃES, A. K. V.; MENDONÇA, C. L. G. Avaliação de pastagem 'Brachiaria humidicola' estabelecida em área originalmente de vegetação secundária. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 40., 2003, Santa Maria, RS. Otimizando a produção animal: anais. Santa Maria, RS: SBZ, 2003.| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 13. | | MENDONCA, C. L.; KOHAYAGAWA, A.; SCHENK, M. A. M.; MADRUGA, C. R.; AFONSO, J. A. B. Avaliacao da medula ossea em bezerros nelores infectados experimentalmente com isolados de Babesia bigemina das regios Sudoeste, Nordeste e Norte do Brasil. In: SEMINARIO BRASILEIRO DE PARASITOLOGIA VETERINARIA, 11., SEMINARIO DE PARASITOLOGIA VETERINARIA DOS PAISES DO MERCOSUL, 2; SIMPOSIO DE CONTROLE INTEGRADO DE PARASITOS DE BOVINOS, 1., 1999, Salvador. Anais... Ilheus: Colegio Brasileiro de Parasitolgia Veterinaria, [1999?]. p.202. CNPGC. Resumos TL-PB-347.| Biblioteca(s): Embrapa Gado de Corte. |
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| 14. | | CAMARÃO, A. P.; RODRIGUES FILHO, J. A.; RISCHKOWSKY, B.; MENDONÇA, C. L. G.; HOHNWALD, S. Disponibilidade de forragem, composição botânica e qualidade da pastagem de capim quicuio-da-amazônia (Brachiaria humidicola) sob três condições. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 39., 2002, Recife. Anais... Recife: SBZ, 2002.| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 16. | | MENDONCA, C. L.; KOHAYAGAWA, A.; SCHENK, M. A. M.; MADRUGA, C. R. AFONSO, J. A. B. Avaliacao clinica e hematologica de bezerros nelores infectados experimentalmente com isolados de Babesia bigemina das regioes Sudeste, Nordeste e Norte do Brasil. In: SEMINARIO BRASILEIRO DE PARASITOLOGIA VETERINARIA, 11., SEMINARIO DE PARASITOLOGIA VETERINARIA DOS PAISES DO MERCOSUL, 2; SIMPOSIO DE CONTROLE INTEGRADO DE PARASITOS DE BOVINOS, 1., 1999, Salvador. Anais... Ilheus: Colegio Brasileiro de Parasitolgia Veterinaria, [1999?]. p.202. CNPGC. Resumo TL-PB-346.| Biblioteca(s): Embrapa Gado de Corte. |
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| 17. | | SCHENK, M. A. M.; MENDONCA, C. L.; MADRUGA, C. R.; KOHAYAWA, A.; ARAUJO, F. R. Avaliacao clinico-laboratorial de bovinos Nelore infectados experimentalmente com Trypanosoma vivax. Pesquisa Veterinaria Brasileira, Rio de Janeiro, v.21, n.4, p.157-161, out./dez. 2001. CNPGC.| Biblioteca(s): Embrapa Gado de Corte. |
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| 19. | | SCHENK, M. A. M.; MENDONCA, C. L.; MADRUGA, C. R.; KOHAYAGAWA, A.; ARAUJO, E. R. de. Avaliacao clinico-laboratorial de bovinos nelores infectados experimentalmente com Trypanosoma vivax. In: SEMINARIO BRASILEIRO DE PARASITOLOGIA VETERINARIA, 11.; SEMINARIO DE PARASITOLOGIA VETERINARIA DOS PAISES DO MERCOSUL, 2.; SIMPOSIO DE CONTROLE INTEGRADO DE PARASITOS DE BOVINOS, 1., 1999, Salvador. Anais... Ilheus: Colegio Brasileiro de Parasitologia Veterinaria, [1999?]. p.207. CNPGC. Resumo TL-PT-014.| Biblioteca(s): Embrapa Gado de Corte. |
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| 20. | | GUIMARÃES, A. K. V.; CAMARÃO, A. P.; MENDONÇA, C. L. G. Avaliação da composição botânica da dieta consumida por bovinos em pastagens de quicuio-da-amazônia (Brachiaria humidicola) da zona Bragantina através da análise microhistológica das fezes. In: SEMINÁRIO DE INICIAÇÃO CIENTÍFICA DA FCAP, 11.; SEMINÁRIO DE INICIAÇÃO CIENTÍFICA DA EMBRAPA AMAZÔNIA ORIENTAL (AVALIAÇÃO-2001), 5., 2001, Belém, PA. Resumos. Belém, PA: FCAP: Embrapa Amazônia Oriental, 2002. p. 171.| Biblioteca(s): Embrapa Amazônia Oriental. |
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| Registros recuperados : 62 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Soja. Para informações adicionais entre em contato com valeria.cardoso@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
06/04/2004 |
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Data da última atualização: |
27/07/2007 |
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Autoria: |
STOLF, R.; MEDRI, M. E.; BROGIN, R. L.; MOLINA, J. C.; SILVEIRA, C. A. da; MARIN, S. R. R.; BINNECK, E.; LEMOS, N. G.; PIOTTO, E. C. S.; DIAS, J.; NEUMAIER, N.; NEPOMUCENO, A. L. |
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Título: |
Tolerance to drought in Glycine max (L.) Merril: ecophysiological aspects. |
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Ano de publicação: |
2004 |
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Fonte/Imprenta: |
In: WORLD SOYBEAN RESEARCH CONFERENCE, 7.; INTERNATIONAL SOYBEAN PROCESSING AND UTILIZATION CONFERENCE, 4.; CONGRESSO BRASILEIRO DE SOJA, 3., 2004, Foz do Iguassu. Abstracts of contributed papers and posters. Londrina: Embrapa Soybean, 2004. |
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Páginas: |
p. 185. |
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Série: |
(Embrapa Soja. Documentos, 228). |
|
Idioma: |
Inglês |
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Notas: |
Editado por Flávio Moscardi, Clara Beatriz Hoffmann-Campo, Odilon Ferreira Saraiva, Paulo Roberto Galerani, Francisco Carlos Krzyzanowski, Mercedes Concordia Carrão-Panizzi. |
|
Conteúdo: |
One of the main causes on the variation in soybean yields, has been the stress events, caused by climatic adversities such as drought. The aim of this work was to evaluate physiological and morpho-anatomical strategies of two soybean cultivars, Conquista (MGBR-46) and BR-16, tolerant and susceptible to drought, respectively, during two periods of water deficit: 30 and 45 days. The experiment was performed in greenhouse, in a completely randomized design (CRD), in PVC pots with sand, considering the treatments with gravimetric humidity of 15% (field capacity) and 5% (moderate stress). Measurements were made on leaf area, plant height, relative growth rate (RGR), photosynthesis and stomatal conductance. As results, it was observed that the photosynthesis was significantly reduced with 45 days of stress, and the tolerant cultivar presented smaller values of photosynthetic rate. Data on stomatal conductance showed that values weren't significantly different. It was also observed a small reduction in the leaf area between the cultivars in the period of 45 days of treatment. During water stress period, leaf abscission had occurred, which could have contributed to the reduction in leaf area, as well as the reduction in the photosynthetic rate. The relative growth rate, which express the plant growth as a function of dry mass accumulation versus time, presented a significant reduction in the 30 days treatment. Fifteen days after this period, which means 45 days of treatment, the plants of the drought susceptible cultivar in stressed condition, showed loss of dry mass. This result also showed that, during the 30 days treatment plants showed some stress which increased with time. Considering the dry mass of pods, it was observed a significant reduction in the cultivar BR-16 when compared to Conquista and, also, inside each cultivar in the different treatments. It shows that this reduction in total dry mass could be affecting the yield of these cultivars. The anatomical study, using permanent slides of leaf and root was done using the method of paraffin inclusion. Quantitative analysis were performed on palisade and spongy parenchyma and intercellular space. Next, it will be doing molecular studies to understand the soybean tolerance strategies to drought, for example how genes are differentially expressed during this period. MenosOne of the main causes on the variation in soybean yields, has been the stress events, caused by climatic adversities such as drought. The aim of this work was to evaluate physiological and morpho-anatomical strategies of two soybean cultivars, Conquista (MGBR-46) and BR-16, tolerant and susceptible to drought, respectively, during two periods of water deficit: 30 and 45 days. The experiment was performed in greenhouse, in a completely randomized design (CRD), in PVC pots with sand, considering the treatments with gravimetric humidity of 15% (field capacity) and 5% (moderate stress). Measurements were made on leaf area, plant height, relative growth rate (RGR), photosynthesis and stomatal conductance. As results, it was observed that the photosynthesis was significantly reduced with 45 days of stress, and the tolerant cultivar presented smaller values of photosynthetic rate. Data on stomatal conductance showed that values weren't significantly different. It was also observed a small reduction in the leaf area between the cultivars in the period of 45 days of treatment. During water stress period, leaf abscission had occurred, which could have contributed to the reduction in leaf area, as well as the reduction in the photosynthetic rate. The relative growth rate, which express the plant growth as a function of dry mass accumulation versus time, presented a significant reduction in the 30 days treatment. Fifteen days after this period, which means 45 days of treatment, the pla... Mostrar Tudo |
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Categoria do assunto: |
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Marc: |
LEADER 03490naa a2200289 a 4500
001 1466794
005 2007-07-27
008 2004 bl uuuu u00u1 u #d
100 1 $aSTOLF, R.
245 $aTolerance to drought in Glycine max (L.) Merril$becophysiological aspects.
260 $c2004
300 $ap. 185.
490 $a(Embrapa Soja. Documentos, 228).
500 $aEditado por Flávio Moscardi, Clara Beatriz Hoffmann-Campo, Odilon Ferreira Saraiva, Paulo Roberto Galerani, Francisco Carlos Krzyzanowski, Mercedes Concordia Carrão-Panizzi.
520 $aOne of the main causes on the variation in soybean yields, has been the stress events, caused by climatic adversities such as drought. The aim of this work was to evaluate physiological and morpho-anatomical strategies of two soybean cultivars, Conquista (MGBR-46) and BR-16, tolerant and susceptible to drought, respectively, during two periods of water deficit: 30 and 45 days. The experiment was performed in greenhouse, in a completely randomized design (CRD), in PVC pots with sand, considering the treatments with gravimetric humidity of 15% (field capacity) and 5% (moderate stress). Measurements were made on leaf area, plant height, relative growth rate (RGR), photosynthesis and stomatal conductance. As results, it was observed that the photosynthesis was significantly reduced with 45 days of stress, and the tolerant cultivar presented smaller values of photosynthetic rate. Data on stomatal conductance showed that values weren't significantly different. It was also observed a small reduction in the leaf area between the cultivars in the period of 45 days of treatment. During water stress period, leaf abscission had occurred, which could have contributed to the reduction in leaf area, as well as the reduction in the photosynthetic rate. The relative growth rate, which express the plant growth as a function of dry mass accumulation versus time, presented a significant reduction in the 30 days treatment. Fifteen days after this period, which means 45 days of treatment, the plants of the drought susceptible cultivar in stressed condition, showed loss of dry mass. This result also showed that, during the 30 days treatment plants showed some stress which increased with time. Considering the dry mass of pods, it was observed a significant reduction in the cultivar BR-16 when compared to Conquista and, also, inside each cultivar in the different treatments. It shows that this reduction in total dry mass could be affecting the yield of these cultivars. The anatomical study, using permanent slides of leaf and root was done using the method of paraffin inclusion. Quantitative analysis were performed on palisade and spongy parenchyma and intercellular space. Next, it will be doing molecular studies to understand the soybean tolerance strategies to drought, for example how genes are differentially expressed during this period.
700 1 $aMEDRI, M. E.
700 1 $aBROGIN, R. L.
700 1 $aMOLINA, J. C.
700 1 $aSILVEIRA, C. A. da
700 1 $aMARIN, S. R. R.
700 1 $aBINNECK, E.
700 1 $aLEMOS, N. G.
700 1 $aPIOTTO, E. C. S.
700 1 $aDIAS, J.
700 1 $aNEUMAIER, N.
700 1 $aNEPOMUCENO, A. L.
773 $tIn: WORLD SOYBEAN RESEARCH CONFERENCE, 7.; INTERNATIONAL SOYBEAN PROCESSING AND UTILIZATION CONFERENCE, 4.; CONGRESSO BRASILEIRO DE SOJA, 3., 2004, Foz do Iguassu. Abstracts of contributed papers and posters. Londrina: Embrapa Soybean, 2004.
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