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Registro Completo |
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
08/05/2019 |
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Data da última atualização: |
20/08/2019 |
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Autoria: |
SOUSA, B. M. de L.; RIZATO, C. A.; FAGUNDES, J. L.; FONTES, P. T. N.; BACKES, A. A.; OLIVEIRA JÚNIOR, L. F. G. de; CRUZ, N. T.; NASCIMENTO, C. S. do. |
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Afiliação: |
Bráulio Maia de Lana Sousa, Universidade Federal de Sergipe - UFS/Departamento de Zootecnia; César Augusto Rizato, Universidade Federal de Sergipe - UFS/Departamento de Zootecnia; Jailson Lara Fagundes, Universidade Federal de Sergipe - UFS/Departamento de Zootecnia; Pryanka Thuyra Nascimento Fontes, Universidade Federal de Sergipe - UFS/Departamento de Zootecnia; Alfredo Acosta Backes, Universidade Federal de Sergipe - UFS/Departamento de Zootecnia; Luiz Fernando Ganassali de Oliveira Júnior, Universidade Federal de Sergipe - UFS/Departamento de Engenharia Agronômica; Natan Teles Cruz, Universidade Federal de Sergipe - UFS/Departamento de Zootecnia; Carlos Souza do Nascimento, Universidade Federal de Sergipe - UFS/Departamento de Zootecnia. |
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Título: |
Tillering dynamics of digit grass subjected to different defoliation frequencies. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, v. 54, e00668, 2019. |
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Idioma: |
Inglês |
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Notas: |
Título em português: Dinâmica do perfilhamento do capim faixa-branca submetido a diferentes frequências de desfolhação. |
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Conteúdo: |
The objective of this work was to evaluate the tillering dynamics of 'Suvernola' digit grass (Digitaria eriantha) when subjected to different defoliation frequencies. Four defoliation frequencies (interval among harvests) were evaluated ? very high, when the grass reached 25 cm in height; high, 35 cm; medium, 45 cm; and low, 55 cm ? in two seasons of the year, with higher and lower insolation, from January 2015 to January 2016. A randomized complete block design with four replicates was used. The increase in defoliation frequency increased the number of generations and the appearance, mortality, and density rates of tillers, besides decreasing their survival rate, without changing population stability. At the time of lower insolation, tiller appearance and mortality rates were higher, while tiller survival rate, balance, and density were lower. The evaluated defoliation frequencies and seasons of the year do not change the persistence of digit grass when irrigated. Higher defoliation frequencies result in a greater renewal of digit grass tillers. |
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Palavras-Chave: |
Altura de colheita; Harvest height; Pasture persistence; Persistência da pastagem. |
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Thesaurus Nal: |
Digitaria eriantha. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/197133/1/Tillering-dybamics-of-digit-grass.pdf
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Marc: |
LEADER 02007naa a2200277 a 4500
001 2108883
005 2019-08-20
008 2019 bl uuuu u00u1 u #d
100 1 $aSOUSA, B. M. de L.
245 $aTillering dynamics of digit grass subjected to different defoliation frequencies.$h[electronic resource]
260 $c2019
500 $aTítulo em português: Dinâmica do perfilhamento do capim faixa-branca submetido a diferentes frequências de desfolhação.
520 $aThe objective of this work was to evaluate the tillering dynamics of 'Suvernola' digit grass (Digitaria eriantha) when subjected to different defoliation frequencies. Four defoliation frequencies (interval among harvests) were evaluated ? very high, when the grass reached 25 cm in height; high, 35 cm; medium, 45 cm; and low, 55 cm ? in two seasons of the year, with higher and lower insolation, from January 2015 to January 2016. A randomized complete block design with four replicates was used. The increase in defoliation frequency increased the number of generations and the appearance, mortality, and density rates of tillers, besides decreasing their survival rate, without changing population stability. At the time of lower insolation, tiller appearance and mortality rates were higher, while tiller survival rate, balance, and density were lower. The evaluated defoliation frequencies and seasons of the year do not change the persistence of digit grass when irrigated. Higher defoliation frequencies result in a greater renewal of digit grass tillers.
650 $aDigitaria eriantha
653 $aAltura de colheita
653 $aHarvest height
653 $aPasture persistence
653 $aPersistência da pastagem
700 1 $aRIZATO, C. A.
700 1 $aFAGUNDES, J. L.
700 1 $aFONTES, P. T. N.
700 1 $aBACKES, A. A.
700 1 $aOLIVEIRA JÚNIOR, L. F. G. de
700 1 $aCRUZ, N. T.
700 1 $aNASCIMENTO, C. S. do
773 $tPesquisa Agropecuária Brasileira$gv. 54, e00668, 2019.
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Embrapa Unidades Centrais (AI-SEDE) |
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