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Registro Completo |
Biblioteca(s): |
Embrapa Milho e Sorgo. |
Data corrente: |
28/02/2000 |
Data da última atualização: |
09/06/2018 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
CARVALHO, B. C. L. de; CARVALHO, H. W. L. de; LEAL, M. de L. da S.; CARDOSO, M. J.; SANTOS, M. X. dos; TABOSA, J. N.; LIRA, M. A.; ALBUQUERQUE, M. M. |
Afiliação: |
EMBRAPA-CNPMS. |
Título: |
Adaptabilidade e estabilidade de cultivares de milho no Nordeste Brasileiro no ano de 1998. |
Ano de publicação: |
1999 |
Fonte/Imprenta: |
In: REUNION LATIONOAMERICANA DEL MAIZ, 18., 1999, Sete Lagoas. Memorias... Sete Lagoas: EMBRAPA-CNPMS; Mexico: CIMMYT, 1999. p. 225-231. |
Idioma: |
Português |
Palavras-Chave: |
Adaptabilidade; Brasil; Estabilidade; Maize; Nordeste; Stability. |
Thesagro: |
Milho; Variedade; Zea Mays. |
Thesaurus Nal: |
Brazil; varieties. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/40823/1/Adaptabilidade-estabilidade-9.pdf
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Marc: |
LEADER 00961nam a2200313 a 4500 001 1483428 005 2018-06-09 008 1999 bl uuuu u00u1 u #d 100 1 $aCARVALHO, B. C. L. de 245 $aAdaptabilidade e estabilidade de cultivares de milho no Nordeste Brasileiro no ano de 1998.$h[electronic resource] 260 $aIn: REUNION LATIONOAMERICANA DEL MAIZ, 18., 1999, Sete Lagoas. Memorias... Sete Lagoas: EMBRAPA-CNPMS; Mexico: CIMMYT, 1999. p. 225-231.$c1999 650 $aBrazil 650 $avarieties 650 $aMilho 650 $aVariedade 650 $aZea Mays 653 $aAdaptabilidade 653 $aBrasil 653 $aEstabilidade 653 $aMaize 653 $aNordeste 653 $aStability 700 1 $aCARVALHO, H. W. L. de 700 1 $aLEAL, M. de L. da S. 700 1 $aCARDOSO, M. J. 700 1 $aSANTOS, M. X. dos 700 1 $aTABOSA, J. N. 700 1 $aLIRA, M. A. 700 1 $aALBUQUERQUE, M. M.
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Embrapa Milho e Sorgo (CNPMS) |
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Registro Completo
Biblioteca(s): |
Embrapa Gado de Corte. |
Data corrente: |
09/12/2022 |
Data da última atualização: |
12/12/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
CAMARGO, F. C.; DIFANTE, G. dos S.; MONTAGNER, D. B.; EUCLIDES, V. P. B.; TAIRA, C. de A. Q.; GURGEL, A. L. C.; SOUZA, D. L. de. |
Afiliação: |
FRANCISCO CARLOS CAMARGO, UNIVERSIDADE FEDERAL DE MATO GROSSO DO SUL; GELSON DOS SANTOS DIFANTE, UNIVERSIDADE FEDERAL DE MATO GROSSO DO SUL; DENISE BAPTAGLIN MONTAGNER, CNPGC; VALERIA PACHECO BATISTA EUCLIDES, CNPGC; CAROLINA DE ARRUDA QUEIROZ TAIRA, UNIVERSIDAE FEDERAL DE MATO GROSSO DO SUL; ANTONIO LEANDRO CHAVES GURGEL, UNIVERSIDADE FEDERAL DE MATO GROSSO DO SUL; DANIELE LOPES DE SOUZA, UNIVERSIDADE CATÓLICA DOM BOSCO. |
Título: |
Morphogenetic and structural traits of Ipyporã grass subjected to nitrogen fertilization rates under intermittent grazing. |
Ano de publicação: |
2022 |
Fonte/Imprenta: |
Ciência Rural, v.52, n.5, e20201074, 2022. |
DOI: |
http://doi.org/10.1590/0103-8478cr20201074 |
Idioma: |
Inglês |
Conteúdo: |
ABSTRACT- This study examined the effects of annual nitrogen (N) rates of 100 and 200 kg ha-¹ on the morphogenetic and structural traits of Ipyporã grass (Brachiaria brizantha × Brachiaria ruziziensis) under intermittent grazing during the seasons of the year. The experiment was laid out in a randomized-block design with two treatments and three area replicates. Ipyporã grass pastures were grazed by beef cattle. Morphogenetic and structural traits of the forage canopy were evaluated using the marked-tiller technique. Forage accumulation and tiller density (TD) were also evaluated. Significant interaction effects (P < 0.05) between N rates and seasons were observed for the rest period, leaf lifespan (LLS), phyllochron, stem elongation rate (SER) and final leaf length (FLL). During winter, the rest period was shorter (40 vs. 50 days) in the pastures fertilized with 200 kg ha-¹ N. Conversely, in winter, the pastures fertilized with 100 kg ha-¹ N showed higher LLS, SER and phyllochron values, but lower FLL values. There was no isolated effect of N rates (P > 0.05) on forage accumulation rate; leaf appearance, elongation or senescence rates; leaf:stem ratio; or TD. However, the effect of seasons was significant for these variables, with the highest values occurring during spring and summer. The use of 200 kg ha-¹ N in Ipyporã grass pastures reduces the seasonality of forage production. |
Thesagro: |
Adubação; Brachiaria Brizantha; Brachiaria Ruziziensis. |
Thesaurus NAL: |
Forage production; Grasses; Nitrogen fertilizers; Tropical pastures. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1149432/1/Morphogenetic-structural-traits-2022.pdf
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Marc: |
LEADER 02328naa a2200289 a 4500 001 2149432 005 2022-12-12 008 2022 bl uuuu u00u1 u #d 024 7 $ahttp://doi.org/10.1590/0103-8478cr20201074$2DOI 100 1 $aCAMARGO, F. C. 245 $aMorphogenetic and structural traits of Ipyporã grass subjected to nitrogen fertilization rates under intermittent grazing.$h[electronic resource] 260 $c2022 520 $aABSTRACT- This study examined the effects of annual nitrogen (N) rates of 100 and 200 kg ha-¹ on the morphogenetic and structural traits of Ipyporã grass (Brachiaria brizantha × Brachiaria ruziziensis) under intermittent grazing during the seasons of the year. The experiment was laid out in a randomized-block design with two treatments and three area replicates. Ipyporã grass pastures were grazed by beef cattle. Morphogenetic and structural traits of the forage canopy were evaluated using the marked-tiller technique. Forage accumulation and tiller density (TD) were also evaluated. Significant interaction effects (P < 0.05) between N rates and seasons were observed for the rest period, leaf lifespan (LLS), phyllochron, stem elongation rate (SER) and final leaf length (FLL). During winter, the rest period was shorter (40 vs. 50 days) in the pastures fertilized with 200 kg ha-¹ N. Conversely, in winter, the pastures fertilized with 100 kg ha-¹ N showed higher LLS, SER and phyllochron values, but lower FLL values. There was no isolated effect of N rates (P > 0.05) on forage accumulation rate; leaf appearance, elongation or senescence rates; leaf:stem ratio; or TD. However, the effect of seasons was significant for these variables, with the highest values occurring during spring and summer. The use of 200 kg ha-¹ N in Ipyporã grass pastures reduces the seasonality of forage production. 650 $aForage production 650 $aGrasses 650 $aNitrogen fertilizers 650 $aTropical pastures 650 $aAdubação 650 $aBrachiaria Brizantha 650 $aBrachiaria Ruziziensis 700 1 $aDIFANTE, G. dos S. 700 1 $aMONTAGNER, D. B. 700 1 $aEUCLIDES, V. P. B. 700 1 $aTAIRA, C. de A. Q. 700 1 $aGURGEL, A. L. C. 700 1 $aSOUZA, D. L. de 773 $tCiência Rural$gv.52, n.5, e20201074, 2022.
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