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| Registros recuperados : 27 | |
| 9. |  | SILVA, L. G. da; COSMI, F. C.; JESUS JUNIOR, W. C. de; SOUZA, A. F. de; MORAES, W. B. Efeito do tratamento químico na sanidade de sementes de espécies florestais. Ciência Florestal, Santa Maria, v. 21, n. 3, p. 473-478, jul./set. 2011.| Biblioteca(s): Embrapa Florestas. |
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| 11. | | PIROVANI, D. B.; SILVA, L. G. da; CECÍLIO, R. A.; JESUS JÚNIOR, W. C. de; SILVA, A. G. da. Impacto do aquecimento global nas áreas de risco de patologias em consórcio seringueira x cacau. Agrotrópica, Ilhéus, v. 25, n. 2, p. 81-92, 2013.| Biblioteca(s): Embrapa Amazônia Ocidental. |
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| 12. | | SOUZA, S. E. de; SANSIGOLO, C. A.; FURTADO, E. L.; JESUS JUNIOR, W. C. de; OLIVEIRA, R. R. Influência do cancro basal em Eucalyptus grandis nas propriedades da madeira e polpação kraft. Scientia Forestalis, Piracicaba, v. 38, n. 88, p. 547-557, dez. 2010.| Biblioteca(s): Embrapa Florestas; Embrapa Semiárido. |
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| 14. | | MORAES, W. B.; PEREIRA, D. P.; JESUS JUNIOR, W. C. de; TOMAZ, M. A.; MORAES, W. B.; SOUZA, A. F. de. Mofo cinzento da mamona. In: CONGRESSO BRASILEIRO DE PLANTAS OLEAGINOSAS, ÓLEOS, GORDURAS E BIODIESEL, 6., 2009. Montes Claros. Biodiesel: inovação tecnológica – anais. Lavras: UFLA, 2009.| Biblioteca(s): Embrapa Algodão. |
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| 15. | | SANTOS, L. N. S. dos; ALVES, F. R.; BELAN, L. L.; CABRAL, P. D. S.; MATTA, F. de P.; JESUS JÚNIOR, W. C. de; MORAES, W. B. de. Damage quantification and reaction of bean genotypes (Phaseolus vulgaris L.) to Meloidogyne incognita race 3 and M. javanica. Summa Phytopathology, Botucatu, v. 38, n. 1, p. 24-29, mar. 2012.| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 16. | | BELAN, L. L.; ALVES, F. R.; COSTA, D. da C.; FONSECA, S. O. da; MORAES, W. B.; SOUZA, A. F. de; JESUS JUNIOR, W. C. de. Efeitos de densidades crescentes de inóculo de Meloidogyne javanica no desenvolvimento vegetativo de genótipos de tomateiro cereja. Revista Trópica: Ciências Agrárias e Biológicas, v. 5, n. 1, p. 22- 30, 2011| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 17. | | TANAKA, F. A. O.; KITAJIMA, E. W.; JESUS JUNIOR, W. C. de; AYRES, A. J.; GIMENES-FERNANDES, N.; BOVÉ, J. M. First report of the electron micrograph of "Candidatus Liberibacter" particles on citrus in Brazil. Fitopatologia Brasileira, Brasília v. 31, n. 1, p. 99, jan./fev., 2006.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 18. | | CONTARATO, C. C.; SOBREIRA, F. M.; TOMAZ, M. A.; JESUS JUNIOR, W. C. de; FONSECA, A. F. A. da; FERRAO, M. A. G.; FERRÃO, R. G. Evaluation of the initial development of conilon coffee clones (Coffea canephora). Scientia Agraria, Curitiba, v.11, n. 1, p.65-71, jan/fev. 2010. 65-71 Título em portugues: Avaliação do desenvolvimento inicial de clones de café conilon (Coffea canephora).| Biblioteca(s): Embrapa Café; Embrapa Unidades Centrais. |
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| 19. | | SILVA, L. F. da; PAES, J. B.; JESUS JUNIOR, W. C. de; OLIVEIRA, J. T. da S.; FURTADO, E. L.; ALVES, F. R. Deterioração da madeira de Eucalyptus spp. por fungos xilófagos. Cerne, Lavras, v. 20, n. 3, p. 393-400, jul./set. 2014.| Biblioteca(s): Embrapa Florestas. |
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| Registros recuperados : 27 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
05/10/2011 |
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Data da última atualização: |
23/01/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
GOMIDE, C. A. de M.; PACIULLO, D. S. C.; COSTA, I. de A.; LIMA, A. M.; CASTRO, C. R. T. de; LEDO, F. J. da S. |
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Afiliação: |
CARLOS AUGUSTO DE MIRANDA GOMIDE, CNPGL; DOMINGOS SAVIO CAMPOS PACIULLO, CNPGL; IGOR DE ALMEIDA COSTA, CES-JF / CNPq.; ALINE MEDEIROS LIMA, CES/JF; CARLOS RENATO TAVARES DE CASTRO, CNPGL; FRANCISCO JOSE DA SILVA LEDO, CNPGL. |
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Título: |
Morphogenesis of dwarf elephant grass clones in response to intensity and frequency of defoliation in dry and rainy seasons. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Revista Brasileira de Zootecnia, v. 40, n. 7, p. 1445-1451, 2011. |
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DOI: |
https://doi.org/10.1590/S1516-35982011000700007 |
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Idioma: |
Inglês |
|
Conteúdo: |
The aim of this study was to evaluate during the dry and rainy seasons the morphogenesis traits of two clones of dwarf elephant grass under different management strategies. The study was conducted in a factorial 2 × 2 × 3 design, using two clones, one green and one purple, two residual heights, 25 and 45 cm, and three frequencies of defoliation according to the light interception of 90, 95 and 100%. The design was a randomized block with three replications. The variables were leaf elongation and leaf senescence rate, stem elongation rate and phyllochron. The leaf lifespan and the number of living leaves per tiller were also estimated. The clones presented low stem elongation rates, showing adaptation for grazing use. In the rainy season, the light interception of 100% promoted the highest stem elongation rate and increased the leaf senescence rate. In the dry season, the leaf elongation rate (LER) was higher for the purple clone than for the green one (23 vs 15 mm.tiller-1.day-1). In the rainy season, the LER of the green clone exceeded that of the purple one by 71% (149 vs. 87 mm.tiller-1.day-1). The phyllochron varied among clones only in the rainy season, when the value was 4.6 days.leaf-1 for the green clone and 8.4 days.leaf-1 for the purple one; both of these values are below the mean value observed during the drought (21,6 days.leaf-1). The residual heights did not affect, in an isolated way, any of the variables. The clones are well adapted to grazing, presenting low stem elongation rates. The interval between defoliations should consider the scope of light interception between 90 and 95%. The green clone, with a greater flow of biomass, requires handling with shorter defoliation intervals. MenosThe aim of this study was to evaluate during the dry and rainy seasons the morphogenesis traits of two clones of dwarf elephant grass under different management strategies. The study was conducted in a factorial 2 × 2 × 3 design, using two clones, one green and one purple, two residual heights, 25 and 45 cm, and three frequencies of defoliation according to the light interception of 90, 95 and 100%. The design was a randomized block with three replications. The variables were leaf elongation and leaf senescence rate, stem elongation rate and phyllochron. The leaf lifespan and the number of living leaves per tiller were also estimated. The clones presented low stem elongation rates, showing adaptation for grazing use. In the rainy season, the light interception of 100% promoted the highest stem elongation rate and increased the leaf senescence rate. In the dry season, the leaf elongation rate (LER) was higher for the purple clone than for the green one (23 vs 15 mm.tiller-1.day-1). In the rainy season, the LER of the green clone exceeded that of the purple one by 71% (149 vs. 87 mm.tiller-1.day-1). The phyllochron varied among clones only in the rainy season, when the value was 4.6 days.leaf-1 for the green clone and 8.4 days.leaf-1 for the purple one; both of these values are below the mean value observed during the drought (21,6 days.leaf-1). The residual heights did not affect, in an isolated way, any of the variables. The clones are well adapted to grazing, presenting low... Mostrar Tudo |
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Palavras-Chave: |
Leaf elongation; Leaf senescence; Light interception; Phyllochron. |
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Thesagro: |
Pennisetum Purpureum. |
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Thesaurus NAL: |
stem elongation. |
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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/54220/1/Morphogenesis-of-dwarf-elephant.pdf
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|
Marc: |
LEADER 02601naa a2200265 a 4500
001 1902384
005 2023-01-23
008 2011 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1590/S1516-35982011000700007$2DOI
100 1 $aGOMIDE, C. A. de M.
245 $aMorphogenesis of dwarf elephant grass clones in response to intensity and frequency of defoliation in dry and rainy seasons.$h[electronic resource]
260 $c2011
520 $aThe aim of this study was to evaluate during the dry and rainy seasons the morphogenesis traits of two clones of dwarf elephant grass under different management strategies. The study was conducted in a factorial 2 × 2 × 3 design, using two clones, one green and one purple, two residual heights, 25 and 45 cm, and three frequencies of defoliation according to the light interception of 90, 95 and 100%. The design was a randomized block with three replications. The variables were leaf elongation and leaf senescence rate, stem elongation rate and phyllochron. The leaf lifespan and the number of living leaves per tiller were also estimated. The clones presented low stem elongation rates, showing adaptation for grazing use. In the rainy season, the light interception of 100% promoted the highest stem elongation rate and increased the leaf senescence rate. In the dry season, the leaf elongation rate (LER) was higher for the purple clone than for the green one (23 vs 15 mm.tiller-1.day-1). In the rainy season, the LER of the green clone exceeded that of the purple one by 71% (149 vs. 87 mm.tiller-1.day-1). The phyllochron varied among clones only in the rainy season, when the value was 4.6 days.leaf-1 for the green clone and 8.4 days.leaf-1 for the purple one; both of these values are below the mean value observed during the drought (21,6 days.leaf-1). The residual heights did not affect, in an isolated way, any of the variables. The clones are well adapted to grazing, presenting low stem elongation rates. The interval between defoliations should consider the scope of light interception between 90 and 95%. The green clone, with a greater flow of biomass, requires handling with shorter defoliation intervals.
650 $astem elongation
650 $aPennisetum Purpureum
653 $aLeaf elongation
653 $aLeaf senescence
653 $aLight interception
653 $aPhyllochron
700 1 $aPACIULLO, D. S. C.
700 1 $aCOSTA, I. de A.
700 1 $aLIMA, A. M.
700 1 $aCASTRO, C. R. T. de
700 1 $aLEDO, F. J. da S.
773 $tRevista Brasileira de Zootecnia$gv. 40, n. 7, p. 1445-1451, 2011.
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Embrapa Gado de Leite (CNPGL) |
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